CU-Boulder Students Help Residents Clean Up After TheColorado Floods

Vice President Joe Biden, right, arrives with Gov. John Hickenlooper, center, in Greeley, Colo. aftersurveying the flood damage in the area and to meet with FEMA officials, Monday, Sept. 23, 2013.(AP Photo/The Denver Post, Kathryn Scott Osler, Pool)

Vice President Joe Biden, center, visits with American Red Cross workers Bobbie Anderson, fromTexas, left, and Jason Godinez, from Evans, Colo., one of the areas hit hard by the flooding, Monday,Sept. 23, 2013, inside the Disaster Recovery Center in Greeley, Colo., after flying in a helicopterover areas ravaged by the recent flooding. (AP Photo/The Denver Post, Kathryn Scott Osler, Pool)

After flying in a helicopter over areas ravaged by the recent flooding, Vice President Joe Biden,center front, flanked by Colorado elected officials and FEMA workers, looks at maps of the areasthat were hit, Monday, Sept. 23, 2013, in Greeley Colo. (AP Photo/The Denver Post, Kathryn ScottOsler, Pool)

A Blackhawk helicopter with Vice President Biden aboard inspects flood damage near Estes Park,Colo., Monday, Sept. 23, 2013. Biden toured areas of the state hit by flooding. (AP Photo/EdAndrieski)

A section of highway is pictured near Boulder, Colo., on Monday, Sept. 23, 2013, during a tour of thearea with Vice President Joe Biden. (AP Photo/Ed Andrieski)y

Vice President Joe Biden speaks during a briefing on the floods in Colorado at the FEMA DisasterRecovery Center in Greeley, Colo., Monday, Sept. 23, 2013. Biden took a helicopter tour of the flooddamage in Colorado before meeting with officials at the center. (AP Photo/Ed Andrieski)

Vice President Joe Biden, right, talks with FEMA Administrator Craig Fugate after a briefing on thefloods in Colorado at the FEMA Disaster Recovery Center in Greeley, Colo., Monday, Sept. 23, 2013.Biden took a helicopter tour of the flood damage in Colorado before meeting with officials at thecenter. AP Photo/Ed Andrieski)

Colo. Gov. John Hickenlooper, left, listens to Vice President Joseph Biden speak to members of themedia at a FEMA Disaster Recovery Center, following a day in which Biden and others surveyedarea flood damage by helicopter, in Greeley, Colo., Monday Sept. 23, 2013. More than 15,600 peoplehave applied for FEMA aid so far in response to the flooding, with FEMA aid at $19.6 million andrising. (AP Photo/Brennan Linsley)

Vice President Joseph Biden speaks to members of the media at a FEMA Disaster Recovery Center,joined by Colo. Gov. John Hickenlooper, near right, and Rep. Mike Coffman, R-Colo., following a dayin which Biden and others surveyed area flood damage by helicopter, in Greeley, Colo., MondaySept. 23, 2013. More than 15,600 people having applied for FEMA aid so far in response to theflooding, at $19.6 million and rising. (AP Photo/Brennan Linsley)

Colo. Gov. John Hickenlooper, left, introduces Vice President Joseph Biden, second from right, whostands with Sen. Michael Bennet, D-Colo., far right, as Biden prepares to speak to members of themedia at a FEMA Disaster Recovery Center following a day in which Biden and others surveyed areaflood damage by helicopter, in Greeley, Colo., Monday Sept. 23, 2013. More than 15,600 people have

applied for FEMA aid so far in response to the flooding, at $19.6 million and rising. (APPhoto/Brennan Linsley)

Vice President Joseph Biden waves after speaking to members of the media at a FEMA DisasterRecovery Center, joined by Colo. Gov. John Hickenlooper, second from left, and Rep. Mike Coffman,R-Colo., left, following a day in which Biden and others surveyed area flood damage by helicopter, inGreeley, Colo., Monday Sept. 23, 2013. More than 15,600 people having applied for FEMA aid so farin response to the flooding, with FEMA aid at $19.6 million and rising. (AP Photo/Brennan Linsley)

Vice President Joseph Biden speaks to members of the media at a FEMA Disaster Recovery Center,joined by Rep. Cory Gardner, R-Colo., right, following a day in which Biden surveyed area flooddamage by helicopter, in Greeley, Colo., Monday Sept. 23, 2013. More than 15,600 people havingapplied for FEMA aid so far in response to the flooding, with FEMA aid at $19.6 million and rising.(AP Photo/Brennan Linsley)

Vice President Joseph Biden speaks to members of the media at a FEMA Disaster Recovery Centerfollowing a day in which Biden surveyed area flood damage by helicopter, in Greeley, Colo., MondaySept. 23, 2013. More than 15,600 people having applied for FEMA aid so far in response to theflooding, with FEMA aid at $19.6 million and rising. (AP Photo/Brennan Linsley)

Vice President Joe Biden leads Colorado Gov. John Hickenlooper, left, from a helicopter after landingin Greeley, Colo., Monday, Sept. 23, 2013. Biden, Hickenlooper and other officials took a tour of theflood stricken areas of the state. (AP Photo/Ed Andrieski)

A Blackhawk helicopter with Vice President Biden aboard, inspects flood damage near Estes Park,Colo., Monday, Sept. 23, 2013. Biden took a helicopter tour of flood damage and to survey recoveryefforts. (AP Photo/Ed Andrieski)

Flood-damaged mobile homes in Evans, Colo., on Friday, Sept. 20, 2013. Residents and localgovernments continue to assess the damage from historic flooding and begin the process ofrebuilding and recovery. (AP Photo/Chris Schneider)

Tara Anderson, 25, takes a break from cleaning out her flood-damaged home in Evans, Colo., onFriday, Sept. 20, 2013. Residents and local governments continue to assess the damage from historicflooding and begin the process of rebuilding and recovery. (AP Photo/Chris Schneider)

A rock slide partially blocks a closed canyon road, which links Boulder with the mountain town ofNederland, and which is damaged in places by recent flooding, up Boulder Canyon, west of Boulder,Colo., Friday Sept. 20, 2013. With snow already dusting Colorado�s highest peaks, the state isscrambling to replace key mountain highways washed away by flooding. More than 200 miles ofstate highways and at least 50 bridges were damaged or destroyed, not counting many more countyroads. (AP Photo/Brennan Linsley)

A guardrail hangs away from a closed canyon road, where some local residents are allowed to drivewith caution, and which is washed out in places by recent flooding, up Boulder Canyon, west ofBoulder, Colo., Friday Sept. 20, 2013. With snow already dusting Colorado�s highest peaks, thestate is scrambling to replace key mountain highways washed away by flooding. More than 200miles of state highways and at least 50 bridges were damaged or destroyed, not counting many morecounty roads. (AP Photo/Brennan Linsley)

A guardrail hangs away from a closed canyon road, which links Boulder with the mountain town of

Nederland, and which is washed out in places by recent flooding, up Boulder Canyon, west ofBoulder, Colo., Friday Sept. 20, 2013. With snow already dusting Colorado�s highest peaks, thestate is scrambling to replace key mountain highways washed away by flooding. More than 200miles of state highways and at least 50 bridges were damaged or destroyed, not counting many morecounty roads. (AP Photo/Brennan Linsley)

National Guard soldiers man a checkpoint on a closed canyon road, which is washed out in places byrecent flooding, up Boulder Canyon, west of Boulder, Colo., Friday Sept. 20, 2013. With snowalready dusting Colorado�s highest peaks, the state is scrambling to replace key mountainhighways washed away by flooding. More than 200 miles of state highways and at least 50 bridgeswere damaged or destroyed, not counting many more county roads. (AP Photo/Brennan Linsley)

Santana Vega, left, and Karen Little, right, help Donna Wells, center, as she reacts to seeing photosof her flooded home in LaSalle, Colo., on Friday, Sept. 20, 2013. Wells' home was completelydestroyed by floodwaters and she lost virtually all of her belongings. (AP Photo/Chris Schneider)

Santana Vega puts on gloves and a mask before entering the home of Donna Wells to take picturesso she can see the condition of her home in LaSalle, Colo., on Friday, Sept. 20, 2013. Wells homewas completely destroyed by floodwaters and she has lost virtually all of her belongings. (APPhoto/Chris Schneider)

Donna Wells, right, comforts Karen Little, left, as she cries over the extent of flood damage to herhome in LaSalle, Colo., on Friday, Sept. 20, 2013. Both their homes were extensively damaged byfloodwaters and they have lost virtually all of their belongings. (AP Photo/Chris Schneider)

A sign declares this flood-damaged home unsafe to enter or occupy in Evans, Colo., on Friday, Sept.20, 2013. Residents and local governments continue to assess the damage from historic flooding andbegin the process of rebuilding and recovery. (AP Photo/Chris Schneider)

The interior of the home of Donna Wells is damaged in LaSalle, Colo., on Friday, Sept. 20, 2013.Wells' home was completely destroyed by floodwaters and she has lost virtually all of her belongings.(AP Photo/Chris Schneider)

Oil workers try to lift a storage tank for condensate that was knocked over by floodwaters from thePlatte River at an oil well site near LaSalle, Colo., on Friday, Sept. 20, 2013. Condensate is the mixof oil and water that is pumped out of the ground. The tank was intact and had not leaked.Numerous oil and gas well sites have been damaged by floodwaters throughout Colorado withseveral reports of spills. (AP Photo/Chris Schneider)

Dan Ochsener, left, comforts Karen Little, right, as they stand surrounded by their flood-damagedbelongings in LaSalle, Colo., on Friday, Sept. 20, 2013. Both their homes were extensively damagedby floodwaters. (AP Photo/Chris Schneider)

Santana Vega takes camera phone pictures of the home of Donna Wells so she can see the conditionof her home in LaSalle, Colo., on Friday, Sept. 20, 2013. Wells home was completely destroyed byfloodwaters and she has lost virtually all of her belongings. (AP Photo/Chris Schneider)

Oil workers try to lift a storage tank for condensate that was knocked over by floodwaters from thePlatte River at an oil well site near LaSalle, Colo., on Friday, Sept. 20, 2013. Condensate is the mixof oil and water that is pumped out of the ground. The tank was intact and had not leaked.Numerous oil and gas well sites have been damaged by floodwaters throughout Colorado with

several reports of spills. (AP Photo/Chris Schneider)

A woman looks for reclaimable wood from a heap of household flooring, furniture and other itemsdestroyed by flooding the previous week, in Boulder, Colo., Friday Sept. 20, 2013. The flood recoveryprocess is underway along the front range of Colorado as people clean out flooded homes andbusinesses. (AP Photo/Brennan Linsley)

Jenna Brink ducks under a piece of debris after cleaning out her flood-damaged trailer at the RiverBend Mobile Home Park in Lyons, Colo., on Thursday, Sept. 19, 2013. Hundreds of evacuees wereallowed past National Guard roadblocks Thursday to find a scene of tangled power lines, downedutility poles, and mud-caked homes and vehicles.(AP Photo/Chris Schneider)

Jenna Brink, left, takes a break while clearing belongings from her flood-damaged trailer with hermother, Christine Brink, at the River Bend Mobile Home Park in Lyons, Colo., on Thursday, Sept. 19,2013. Hundreds of evacuees were allowed past National Guard roadblocks Thursday to find a sceneof tangled power lines, downed utility poles, and mud-caked homes and vehicles. (AP Photo/ChrisSchneider)

Dirk Huntington checks on a friend's flood-damaged trailer at the River Bend Mobile Home Park inLyons, Colo., on Thursday, Sept. 19, 2013. Hundreds of evacuees were allowed past National Guardroadblocks Thursday to find a scene of tangled power lines, downed utility poles, and mud-cakedhomes and vehicles. (AP Photo/Chris Schneider)

People walk through a severely flooded neighborhood in Lyons, Colo., on Thursday, Sept. 19, 2013.Residents displaced by last week's flooding in the Colorado canyon town were allowed past NationalGuard roadblocks Thursday to find a scene of tangled power lines, downed utility poles, mud-cakedhomes and vehicles, and work crews furiously clearing debris and trying to restore power, water andsewer service. (AP Photo/Chris Schneider)

This photo shows a road that was washed out by the flood in Lyons, Colo., on Thursday, Sept. 19,2013. The recovery process has begun all along the front range as people clean out flooded homesand businesses. Local governments are starting to clear debris and repair infrastructure.(APPhoto/Chris Schneider)

A tractor is covered with debris in Lyons, Colo., on Thursday, Sept. 19, 2013. The recovery processhas begun all along the front range as people clean out flooded homes and businesses. Localgovernments are starting to clear debris and repair infrastructure.(AP Photo/Chris Schneider)

Lisa Dunlap cleans mud off of toys in Longmont, Colo., on Thursday, Sept. 19, 2013. Hundreds ofevacuees were allowed past National Guard roadblocks Thursday to find a scene of tangled powerlines, downed utility poles, and mud-caked homes and vehicles. (AP Photo/Ed Andrieski)

Volunteers Shawna English, left, and Sabrina Naftel throw a piece of wet carpet onto a trash pile asthey help clean up a home in Longmont, Colo., on Thursday, Sept. 19, 2013. The recovery processhas begun all along the front range as people clean out flooded homes and businesses. (AP Photo/EdAndrieski)

Ron West cleans mud out of his shed in Lyons, Colo., on Thursday, Sept. 19, 2013. His home wasspared by floodwaters. The recovery process has begun all along the front range as people clean outflooded homes and businesses. Local governments are starting to clear debris and repairinfrastructure.(AP Photo/Chris Schneider)

Neighbor Roslynn Regnery, right, gives a hug to Emma Birath, left, as they check on their homes inLyons, Colo., on Thursday, Sept. 19, 2013. The recovery process has begun all along the front rangeas people clean out flooded homes and businesses. Local governments are starting to clear debrisand repair infrastructure.(AP Photo/Chris Schneider)

In this Wednesday, Sept. 18, 2013 photo, flood waters recede from an oil and gas well pump sitenear Greeley, Colo. Colorado�s floods shut down hundreds of natural gas and oil wells, spilled oilfrom one tank and sent inspectors into the field looking for more pollution. Besides theenvironmental impact, flood damage to roads, railroads and other infrastructure will affect theregion�s energy production for months to come. Analysts warn that images of flooded wellheadswill increase public pressure to impose restrictions on drilling techniques such as fracking. (APPhoto/Ed Andrieski)

Railroad tracks are undercut by flooding in Longmont, Colo., on Thursday, Sept. 19, 2013. Rescuerscontinued efforts to reach stranded victims, while electricity and phone services were being restoredto ravaged areas, allowing residents to contact family, friends or authorities. (AP Photo/EdAndrieski)

Two women walk down a street piled high with wreckage from floodwaters as residents clear theirhomes of damaged property during cleanup in Longmont, Colo., on Thursday, Sept. 19, 2013.Rescuers continued efforts to reach stranded victims, while electricity and phone services werebeing restored to ravaged areas, allowing residents to contact family, friends or authorities. (APPhoto/Ed Andrieski)

This Sept. 17, 2013 photo provided by Ecoflight shows the result of flash floods that swamped wellpads and in some cases dislodged storage tanks in Weld County, Colo. Hundreds of natural gas andoil wells along with pipelines are shut down by flooding, as state and federal inspectors gauge thedamage and look for contamination from inundated oil fields. (AP Photo/Ecoflight, Jane Pargiter)

Residents wait on the side of highway 66 to go back to their homes and begin the process ofcleaning up after historic floods hit Lyons, Colo., on Thursday, Sept. 19, 2013. The recovery processhas begun all along the front range as people clean out flooded homes and businesses. (APPhoto/Chris Schneider)

Hydrologist Jeff Bails, left, and Hydrologic Technician Ben Glass measure stream velocity of the BigThompson River in Loveland, Colo., on Wednesday, Sept. 18, 2013. As floodwaters recede, cleanupand damage assessment continues after historic flooding. (AP Photo/Chris Schneider)

This photo shows a flooded field near Loveland, Colo., on Wednesday, Sept. 18, 2013. As floodwatersrecede, cleanup and damage assessment continues after historic flooding. (AP Photo/ChrisSchneider)

Danger is spray-painted on a damaged section of Old Highway 34 in Loveland, Colo., on Wednesday,Sept. 18, 2013. As floodwaters recede, cleanup and damage assessment continues after historicflooding. (AP Photo/Chris Schneider)

This photo shows flood damage to Old Highway 34 in Loveland, Colo., on Wednesday, Sept. 18,2013. As floodwaters recede, cleanup and damage assessment continues after historic flooding. (APPhoto/Chris Schneider)

In this Sept. 17, 2013 photo, a crude oil storage tank lies on its side in flood water along the South

Platte River, in Weld County, Colo. Hundreds of natural gas and oil wells along with pipelines areshut down by flooding, as state and federal inspectors gauge the damage and look for potentialcontamination from inundated oil fields. (AP Photo/John Wark)

Elizabeth Dipert, left, helps her neighbor Katie Byrne, center, sift through thrown out flood refuselooking for valuables, at Byrne's home on Wednesday Sept. 18, 2013, in Longmont, Colo. Statewide,only about 22,000 homeowners have flood insurance policies, FEMA spokesman Jerry DeFelice said.With 2.2 million housing units in Colorado, according to Census figures, that means about 1 percentof the state�s residences have flood coverage. (AP Photo/Brennan Linsley)

Katie Byrne, left, her neighbor Elizabeth Dipert, center, and church volunteer Linda Pekarek, right,sift through thrown out rotting flood refuse looking for valuables, at Byrne's home in Longmont,Colo., Wednesday Sept. 18, 2013. Statewide, only about 22,000 homeowners have flood insurancepolicies, FEMA spokesman Jerry DeFelice said. With 2.2 million housing units in Colorado, accordingto Census figures, that means about 1 percent of the state�s residences have flood coverage. (APPhoto/Brennan Linsley)

Samantha Fennell sprays mud off of clothing on Wednesday Sept. 18, 2013, in Longmont, Colo. Aswater recedes and flows east onto the Colorado plains, rescuers are shifting their focus fromemergency airlifts to trying to find the hundreds of people still unaccounted for after last week'sflooding. (AP Photo/Brennan Linsley)

While searching through flood debris, Athena Ross, second from left, smiles after finding a boxcontaining her birth certificate, as church volunteer Linda Pekarek, right, claps her hands, in aneighborhood hard hit by last weeks flooding in Longmont, Colo., Wednesday Sept. 18, 2013. Alsopictured helping are, left to right, resident Katie Byrne, neighbors Elizabeth Dipert and her brotherJonathan, and family friend Andre Whitehair. (AP Photo/Brennan Linsley)

This Sept. 17, 2013 photo provided by Ecoflight shows the result of flash floods that swamped wellpads and in some cases dislodged storage tanks in Weld County, Colo. Hundreds of natural gas andoil wells along with pipelines are shut down by flooding, as state and federal inspectors gauge thedamage and look for contamination from inundated oil fields. (AP Photo/Ecoflight, Jane Pargiter)

This Sept. 17, 2013 photo provided by Ecoflight shows the result of flash floods that swamped wellpads and in some cases dislodged storage tanks in Weld County, Colo. Hundreds of natural gas andoil wells along with pipelines are shut down by flooding, as state and federal inspectors are gaugingthe damage and looking for contamination from inundated oil fields. (AP Photo/Ecoflight, JanePargiter)

Colorado Department of Transportation workers repair Highway 119 near Longmont, Colo., onWednesday, Sept. 18, 2013. Statewide, only about 22,000 homeowners have flood insurance policies,FEMA spokesman Jerry DeFelice said. With 2.2 million housing units in Colorado, according toCensus figures, that means about 1 percent of the state�s residences have flood coverage. (APPhoto/Ed Andrieski)

Jessica Klauzer-Zimmerman sits with her youngest son Liam, 8, in her flood damaged home inBoulder, Colo., on Wednesday, Sept. 18, 2013. Klauzer-Zimmerman woke up Thursday Sept. 12, toknee-deep water inside her townhouse, and has since been dealing with a maze of phone calls withinsurance agents. Klauzer-Zimmerman said that each agent told her that her policy does not coverflood damage. Thousands of people who do not have flood insurance could face staggering costs torebuild after the devastating floods in Colorado.(AP Photo/Ed Andrieski)

Jessica Klauzer-Zimmerman sits in her bedroom of her flood damaged home in Boulder, Colo., onWednesday, Sept. 18, 2013. Klauzer-Zimmerman woke up Thursday Sept. 12, to knee-deep waterinside her townhouse, and has since been dealing with a maze of phone calls with insurance agents.Each agent told her that her policy does not cover flood damage. Thousands of people who don'thave flood insurance could face staggering costs to rebuild after the devastating floods inColorado.(AP Photo/Ed Andrieski)

Diane Carnahan, right, hugs her father Dave Dillon as they clean-up after their home was damagedby floodwaters in Loveland, Colo., on Wednesday, Sept. 18, 2013. Statewide, only about 22,000homeowners have flood insurance policies, FEMA spokesman Jerry DeFelice said. With 2.2 millionhousing units in Colorado, according to Census figures, that means about 1 percent of the state�sresidences have flood coverage. (AP Photo/Chris Schneider)

A damaged bridge on Highway 34 over the Big Thompson River near Loveland, Colo., on Wednesday,Sept. 18, 2013. As floodwaters recede, cleanup and damage assessment continues. Statewide, onlyabout 22,000 homeowners have flood insurance policies, FEMA spokesman Jerry DeFelice said. With2.2 million housing units in Colorado, according to Census figures, that means about 1 percent of thestate�s residences have flood coverage. (AP Photo/Chris Schneider)

A search and rescue team looks for hazardous materials and possible flood victims near a floodedarea in Loveland, Colo., on Wednesday, Sept. 18, 2013. As floodwaters recede, cleanup and damageassessment continues. Statewide, only about 22,000 homeowners have flood insurance policies,FEMA spokesman Jerry DeFelice said. With 2.2 million housing units in Colorado, according toCensus figures, that means about 1 percent of the state�s residences have flood coverage. (APPhoto/Chris Schneider)

Floodwaters collapsed a portion of Namaqua Rd. in Loveland, Colo., on Wednesday, Sept. 18, 2013.As floodwaters recede, cleanup and damage assessment continues. Statewide, only about 22,000homeowners have flood insurance policies, FEMA spokesman Jerry DeFelice said. With 2.2 millionhousing units in Colorado, according to Census figures, that means about 1 percent of the state�sresidences have flood coverage. (AP Photo/Chris Schneider)

An field eroded by floodwaters near Namaqua Road in Loveland, Colo., on Wednesday, Sept. 18,2013. As floodwaters recede, cleanup and damage assessment continues. Statewide, only about22,000 homeowners have flood insurance policies, FEMA spokesman Jerry DeFelice said. With 2.2million housing units in Colorado, according to Census figures, that means about 1 percent of thestate�s residences have flood coverage. (AP Photo/Chris Schneider)

Workers walk by a damaged bridge on Highway 34 over the Big Thompson River near Loveland,Colo., on Wednesday, Sept. 18, 2013. As floodwaters recede, cleanup and damage assessmentcontinues. Statewide, only about 22,000 homeowners have flood insurance policies, FEMAspokesman Jerry DeFelice said. With 2.2 million housing units in Colorado, according to Censusfigures, that means about 1 percent of the state�s residences have flood coverage. (AP Photo/ChrisSchneider)

Keenan Gates, at left, and Caleb Edelman, of ECOS Environmental and Disaster Restoration, assessthe destroyed home of Gates mother on Tuesday, Sept. 17, in the town of Salina on Fourmile CanyonDrive in Boulder County. (AP Photo/Daily Camera, Jeremy Papasso)

Sections of flood a damaged road on Fourmile Canyon Drive on Tuesday, Sept. 17, 2013 in BoulderCounty. Initial assessments have begun trickling in, but many areas remain inaccessible and the

continuing emergency prevents a thorough understanding of the devastation's scope. (APPhoto/Daily Camera, Jeremy Papasso)

A farm is surrounded by floodwaters near Crook, Colo., on Tuesday, Sept. 17, 2013. The floods thatravaged Colorado this past week also took a toll on the state's agricultural communities.. (APPhoto/Chris Schneider)

FILE - In this Sept. 13, 2013 file photo, cattle find dry ground near Fort Collins, Colo., as floodingcontinues to devastate the Front Range and thousands are forced to evacuate with an unconfirmednumber of structures destroyed. The floods that ravaged Colorado this past week also took a toll onthe state's agricultural communities. (AP Photo/Colorado Heli-Ops, Dennis Pierce) MANDATORYCREDIT

A Boulder County Animal Control officer, and workers from the Humane Association work to rescuea cat from a destroyed home on Tuesday, Sept. 17, 2013 on Fourmile Canyon Drive in BoulderCounty, Colo. (AP Photo/The Daily Camera, Jeremy Papasso) NO SALES

A highway, submerged and broken, winds through a flooded plain near the South Platte River, eastof Greeley, Colo., Tuesday, Sept. 17, 2013. Since last week's devastating floods, state and localtransportation officials are tallying the washed-out roads, collapsed bridges and twisted railroadlines. The rebuilding effort will cost hundreds of millions of dollars and take months, if not years. (APPhoto/John Wark)

Victims of last week's devastating floods retrieve belongings outside a home near the East PlatteRiver east of Greeley, Colo., Tuesday, Sept. 17, 2013. The area's broad agricultural flatlands wereespecially hard hit by the high water. (AP Photo/John Wark)

The sun sets over a flooded field near Crook, Colo., on Tuesday, Sept. 17, 2013. The emergencyairlifts of flood victims waned Tuesday, leaving rescue crews to systematically search the nooks andcrannies of the northern Colorado foothills and transportation officials to gauge what it will take torebuild the wasted landscape. (AP Photo/Chris Schneider)

The sun sets over a flooded field near Crook, Colo., on Tuesday, Sept. 17, 2013. Waters are windingtheir way through rivers and causing flooding further downstream. The emergency airlifts of floodvictims waned Tuesday, leaving rescue crews to systematically search the nooks and crannies of thenorthern Colorado foothills and transportation officials to gauge what it will take to rebuild thewasted landscape. (AP Photo/Chris Schneider)

Four year old Elijah Obrien looks at his muddy basement which was damaged when recent floodsswept through Longmont, Colo., Wednesday Sept. 18, 2013. As water recedes and flows east ontothe Colorado plains, rescuers are shifting their focus from emergency airlifts to trying to find thehundreds of people still unaccounted for after last week's devastating flooding. (AP Photo/BrennanLinsley)

Siblings, left to right, Elizabeth, 13, Jonathan, 9, Aaron, 11, and Kitty, 6, Dipert wash mud from theclothing of family friends from church, in the wake of massive flooding which days earlier sweptthrough Longmont, Colo., Wednesday Sept. 18, 2013. As water recedes and flows east onto theColorado plains, rescuers are shifting their focus from emergency airlifts to trying to find thehundreds of people still unaccounted for after last week's devastating flooding. (AP Photo/BrennanLinsley)

Shanda Roberson disposes of destroyed items from her home, after recent floods swept throughLongmont, Colo., Wednesday Sept. 18, 2013. As water recedes and flows east onto the Coloradoplains, rescuers are shifting their focus from emergency airlifts to trying to find the hundreds ofpeople still unaccounted for after last week's devastating flooding. (AP Photo/Brennan Linsley)

Local resident Chad Obrien comforts his four year old son Elijah, as he works to remove waterloggedand contaminated floors and walls from his flooded basement, which was wrecked in recent flooding,in Longmont, Colo., Wednesday Sept. 18, 2013. As water recedes and flows east onto the Coloradoplains, rescuers are shifting their focus from emergency airlifts to trying to find the hundreds ofpeople still unaccounted for after last week's devastating flooding. (AP Photo/Brennan Linsley)

BJ Cox, left, and homeowner Diane Ferrell, right, sort through mud-caked belongings at Ferrell'sflooded home in Loveland, Colo., on Wednesday, Sept. 18, 2013. The Big Thompson River went overits banks destroying homes and businesses in the area. As floodwaters recede, cleanup and damageassessment continues after historic flooding. (AP Photo/Chris Schneider)

A car sits in mud and water in front of Gods Country Cowboy Church in Loveland, Colo., onWednesday, Sept. 18, 2013. As floodwaters recede, cleanup and damage assessment continues afterhistoric flooding. (AP Photo/Chris Schneider)

Owner Kay Dykes cleans mud-caked merchandise from Canyon Collectibles in Loveland, Colo., onWednesday, Sept. 18, 2013. The store was flooded after the Big Thompson River went over its banks.She said she will not reopen the shop. As floodwaters recede, cleanup and damage assessmentcontinues after historic flooding. (AP Photo/Chris Schneider)

Roy Poole goes through mud-caked belongings at a home in Loveland, Colo., on Wednesday, Sept.18, 2013. The Big Thompson River went over its banks destroying homes and businesses in the area.As floodwaters recede, cleanup and damage assessment continues after historic flooding.(APPhoto/Chris Schneider)

Austin Hix, center, and Emille Young, right, load destroyed belongings into a truck in Loveland,Colo., on Wednesday, Sept. 18, 2013. The Big Thompson River went over its banks destroying homesand businesses in the area. As floodwaters recede, cleanup and damage assessment continues afterhistoric flooding. (AP Photo/Chris Schneider)

A mud-caked doll lies on the floor Canyon Collectibles in Loveland, Colo., on Wednesday, Sept. 18,2013. The store was flooded after the Big Thompson River went over its banks. As floodwatersrecede, cleanup and damage assessment continues after historic flooding. (AP Photo/ChrisSchneider)

Bob Paetzel cleans mud out of Canyon Collectibles in Loveland, Colo., on Wednesday, Sept. 18,2013. The store was flooded after the Big Thompson River went over its banks. As floodwatersrecede, cleanup and damage assessment continues after historic flooding. (AP Photo/ChrisSchneider)

Bob Paetzel cleans water and mud out of Canyon Collectibles in Loveland, Colo., on Wednesday,Sept. 18, 2013. The store was flooded after the Big Thompson River went over its banks. Asfloodwaters recede, cleanup and damage assessment continues after historic flooding. (APPhoto/Chris Schneider)

Mud from flooding is shown covering the main street Sunday Sept. 15, 2013 in Estes Prk, Colo.,

after water and debris swamped the town when the Big Thompson River surged through Estes Parklate Thursday and early Friday. In Estes Park, some 20 miles from Lyons, hundreds of homes andcabins were empty in the town that is a gateway to Rocky Mountain National Park. High water stillcovered several low-lying streets. Where the river had receded, it had left behind up to a foot ofmud. (AP Photo/Jeri Clausing)

Loaders scrape up mud Sunday Sept. 15, 2013, from the flooding that swept through Estes Park,Colo., that swamped the town's main street when the Big Thompson River surged through EstesPark late Thursday and early Friday. (AP Photo/Jeri Clausing)

Flood Damage in Salina on Tuesday, Sept. 17, 2013 in the Fourmile Canyon area of Boulder CountyColorado. (AP Photo/Daily Camera, Jeremy Papasso)

A home is destroyed in Salina on Tuesday, Sept. 17, in the Fourmile Canyon area of Boulder CountyColorado. (AP Photo/Daily Camera, Jeremy Papasso)

Jestin Franklin pushes a wheelbarrow full of mud while helping his grandmother clean flood damageat her home on Tuesday, Sept. 17, 2013 in the Fourmile Canyon area of Boulder County Colorado.(AP Photo/Daily Camera, Jeremy Papasso)

A home is destroyed in Salina on Tuesday, Sept. 17, 2013 in the Fourmile Canyon area of BoulderCounty Colorado. (AP Photo/Daily Camera, Jeremy Papasso)

Keenan Gates walks across a makeshift bridge in Salina after assessing the damage to his mothershome on Tuesday, Sept. 17, 2013 at the Salina Junction in the Fourmile Canyon area of BoulderCounty Colorado. (AP Photo/Daily Camera, Jeremy Papasso)

Sections of flood damaged road on Fourmile Canyon Drive on Tuesday, Sept. 17, 2013 in BoulderCounty Colorado. (AP Photo/Daily Camera, Jeremy Papasso)

American Humane Association worker Josh Daniels searches for a missing cat at a home destroyedby the flood in Salina Colorado on Tuesday, Sept. 17, 2013 on Fourmile Canyon Drive in BoulderCounty. (AP Photo/Daily Camera, Jeremy Papasso)

Keenan Gates, at left, and Caleb Edelman, of ECOS Environmental and Disaster Restoration, assessthe destroyed home of Gates mother on Tuesday, Sept. 17, in the town of Salina on Fourmile CanyonDrive in Boulder County. (AP Photo/Daily Camera, Jeremy Papasso)

Sections of flood a damaged road on Fourmile Canyon Drive on Tuesday, Sept. 17, 2013 in BoulderCounty. Initial assessments have begun trickling in, but many areas remain inaccessible and thecontinuing emergency prevents a thorough understanding of the devastation's scope. (APPhoto/Daily Camera, Jeremy Papasso)

A flooded cornfield near Crook, Colo., on Tuesday, Sept. 17, 2013. The floods that ravaged Coloradothis past week also took a toll on the state's agricultural communities. (AP Photo/Chris Schneider)

In this video still taken Tuesday, Sept. 17, 2013, farmer Ron Kline surveys the damage on hisproperty in Johnstown, Colo., following damage from a flood. The surging waters damaged a handfulof homes and farmland in this small town. The floods that ravaged Colorado this past week also tooka toll on the state's agricultural communities. (AP Photo/Manuel Valdes)

A farm is surrounded by floodwaters near Crook, Colo., on Tuesday, Sept. 17, 2013. The floods thatravaged Colorado this past week also took a toll on the state's agricultural communities.. (APPhoto/Chris Schneider)

FILE - In this Sept. 13, 2013 file photo, cattle find dry ground near Fort Collins, Colo., as floodingcontinues to devastate the Front Range and thousands are forced to evacuate with an unconfirmednumber of structures destroyed. The floods that ravaged Colorado this past week also took a toll onthe state's agricultural communities. (AP Photo/Colorado Heli-Ops, Dennis Pierce) MANDATORYCREDIT

A highway, submerged and broken, winds through a flooded plain near the South Platte River, eastof Greeley, Colo., Tuesday, Sept. 17, 2013. Since last week's devastating floods, state and localtransportation officials are tallying the washed-out roads, collapsed bridges and twisted railroadlines. The rebuilding effort will cost hundreds of millions of dollars and take months, if not years. (APPhoto/John Wark)

Victims of last week's devastating floods retrieve belongings outside a home near the East PlatteRiver east of Greeley, Colo., Tuesday, Sept. 17, 2013. The area's broad agricultural flatlands wereespecially hard hit by the high water. (AP Photo/John Wark)

A home leans into flood waters that have destroyed a section of U.S. Highway 34, top, near Greeley,Colo., Tuesday, Sept. 17, 2013. The surrounding area was especially affected by recent flooding,with more than 400 lane-miles of state highway and more than 30 bridges destroyed or impassable.(AP Photo/John Wark)

The sun sets over a flooded field near Crook, Colo., on Tuesday, Sept. 17, 2013. The emergencyairlifts of flood victims waned Tuesday, leaving rescue crews to systematically search the nooks andcrannies of the northern Colorado foothills and transportation officials to gauge what it will take torebuild the wasted landscape. (AP Photo/Chris Schneider)

The sun sets over a flooded field near Crook, Colo., on Tuesday, Sept. 17, 2013. Waters are windingtheir way through rivers and causing flooding further downstream. The emergency airlifts of floodvictims waned Tuesday, leaving rescue crews to systematically search the nooks and crannies of thenorthern Colorado foothills and transportation officials to gauge what it will take to rebuild thewasted landscape. (AP Photo/Chris Schneider)

An abandoned car lies in the mud off a road destroyed by flood waters along the South Platte Rivereast of Greeley, Colo, Tuesday, Sept. 17, 2013. Northern Colorado's broad agricultural expanses areespecially affected, with more than 400 lane-miles of state highway and more than 30 bridgesdestroyed or impassable. (AP Photo/John Wark)

Trenton Mays, 15, gathers belongings from his uncle's flooded trailer in Evans, Colo., on Tuesday,Sept. 17, 2013. The emergency airlifts of flood victims waned Tuesday, leaving rescue crews tosystematically search the nooks and crannies of the northern Colorado foothills and transportationofficials to gauge what it will take to rebuild the wasted landscape. (AP Photo/Chris Schneider)

A Blackhawk helicopter is flies over a canyon during a helicopter search of the area around Boulder,Colo., on Tuesday, Sept. 17, 2013. The Office of Emergency Management says that the weather isexpected to be clear enough to allow helicopters to take to the skies to rescue flood victims. (APPhoto/Denver Post,Joe Amon, POOL)

In this aerial photo, vehicles sit amongst the rubble in Lyons, Colo. which was hard hit by flooding inrecent days, Tuesday, Sept. 17, 2013, as seen from a rescue helicopter flown by the 2-4 GSAB 4thInfantry Division based in Ft. Carson. The emergency airlifts of flood victims waned Tuesday, leavingrescue crews to systematically search the nooks and crannies of the northern Colorado foothills andtransportation officials to gauge what it will take to rebuild the wasted landscape. (AP Photo/TheDaily Camera, Mark Leffingwell, Pool)

SFC Keith Bart, right, helps a woman who was rescued from her home by helicopter nearJamestown, Colo., on Tuesday, Sept. 17, 2013. The emergency airlifts of flood victims wanedTuesday, leaving rescue crews to systematically search the nooks and crannies of the northernColorado foothills and transportation officials to gauge what it will take to rebuild the wastedlandscape. (AP Photo/The Daily Camera, Mark Leffingwell, Pool)

CORRECTS LAST NAME OF STAFF SGT. TO PANTOJA INSTEAD OF PATOJA - Staff Sgt. JosePantoja, with the 2-4 GSAB 4th Infantry Division based in Ft. Carson, looks from the open door of aBlackhawk helicopter for people in need of help near Jamestown, Colo., on Tuesday, Sept. 17, 2013.The Office of Emergency Management says that the weather is expected to be clear enough to allowhelicopters to take to the skies to rescue flood victims. (AP Photo/The Daily Camera, MarkLeffingwell, Pool)

CORRECTS LAST NAME OF STAFF SGT. TO PANTOJA INSTEAD OF PATOJA - Staff Sgt. JosePantoja, right, , with the 2-4 GSAB 4th Infantry Division based in Ft. Carson, checks on two womenhis crew rescued near Jamestown, Colo., on Tuesday, Sept. 17, 2013. The emergency airlifts of floodvictims waned Tuesday, leaving rescue crews to systematically search the nooks and crannies of thenorthern Colorado foothills and transportation officials to gauge what it will take to rebuild thewasted landscape. (AP Photo/The Daily Camera, Mark Leffingwell, Pool)

Staff Sgt. Jose Patoja, with the 2-4 GSAB 4th Infantry Division based in Ft. Carson, waves to peoplein Left Hand Canyon after they indicated they didn't need help from a Blackhawk helicopter nearJamestown, Colo., on Tuesday, Sept. 17, 2013. The Office of Emergency Management says that theweather is expected to be clear enough to allow helicopters to take to the skies to rescue floodvictims. (AP Photo/The Daily Camera, Mark Leffingwell, Pool)

This Sept. 16, 2013 photo shows Reggie Liesveld with her 8-month-old dog Delilah at the Boulder,Colo., YMCA, Red Cross shelter for persons displaced by Colorado Flooding. Liesveld was rescuedfrom Pinewood Hills, Colo., one of the towns that was isolated by the flooding in the last week. Herhusband who runs a quarry stayed in Pinewood Hills. (AP Photo/Jeri Clausing)

Two women smile and laugh after being rescued by a helicopter crew with the 2-4 GSAB 4th InfantryDivision based in Ft. Carson on Tuesday, Sept. 17, 2013, near Jamestown, Colo., The emergencyairlifts of flood victims waned Tuesday, leaving rescue crews to systematically search the nooks andcrannies of the northern Colorado foothills and transportation officials to gauge what it will take torebuild the wasted landscape. (AP Photo/The Daily Camera, Mark Leffingwell, Pool)

Two women are rescued by a helicopter crew with the 2-4 GSAB 4th Infantry Division based in Ft.Carson near Jamestown, Colo., on Tuesday, Sept. 17, 2013. The Office of Emergency Managementsays that the weather is expected to be clear enough to allow helicopters to take to the skies torescue flood victims. (AP Photo/The Daily Camera, Mark Leffingwell, Pool)

Trenton Mays, 15, left, Kathryn Reeves, 32, center, and Dale Reeves, 54, right, tow an inflatable boatfull of family possessions from their relatives flooded trailer in Evans, Colo., on Tuesday, Sept. 17,2013. Evacuees are returning to their ravaged communities finding that many of their belongingshave been destroyed. (AP Photo/Chris Schneider)

Ruben Roque wades through floodwaters to pick up family possessions in Evans, Colo., on Tuesday,Sept. 17, 2013. Many residents left behind their most prized possessions as they fled from the floodwaters. Lives are more important than objects. (AP Photo/Chris Schneider)

Two women are hoisted into a Blackhawk helicopter as they are rescued near Jamestown, Colo., onTuesday, Sept. 17, 2013 during a helicopter search of the area devastated by flooding in the state.The Office of Emergency Management says that the weather is expected to be clear enough to allowhelicopters to take to the skies to rescue flood victims. (AP Photo/Denver Post,Joe Amon, POOL)

Kathryn Reeves, 32, tows an inflatable boat full of family possessions from her god-parents' floodedtrailer in Evans, Colo., on Tuesday, Sept. 17, 2013. Evacuees are returning to their ravagedcommunities and some are finding that their belongings have been destroyed. (AP Photo/ChrisSchneider)

A flooded trailer park is seen in Evans, Colo., on Tuesday, Sept. 17, 2013. Evacuees are returning totheir ravaged communities and are finding that their belongings have been destroyed. (APPhoto/Chris Schneider)

A Blackhawk helicopter rescues people in need of help in Lyons, Colo., on Tuesday, Sept. 17, 2013.The Office of Emergency Management says that the weather is expected to be clear enough to allowhelicopters to take to the skies to rescue flood victims. (AP Photo/The Daily Camera, MarkLeffingwell, Pool)

A Blackhawk helicopter rescues people in need of help in Lyons, Colo., on Tuesday, Sept. 17, 2013.The Office of Emergency Management says that the weather is expected to be clear enough to allowhelicopters to take to the skies to rescue flood victims. (AP Photo/The Daily Camera, MarkLeffingwell, Pool)

Two women rescued during a helicopter search of the area around Boulder, Colo., on Tuesday, Sept.17, 2013, arrive at the Boulder Municipal Airport. The Office of Emergency Management says thatthe weather is expected to be clear enough to allow helicopters to take to the skies to rescue floodvictims. (AP Photo/Denver Post,Joe Amon, POOL)

Kathryn Reeves, 32, holds a family bible from her god-parents flooded trailer in Evans, Colo., onTuesday, Sept. 17, 2013. Evacuees are returning to their ravaged communities and some are finding

that their belongings have been destroyed. (AP Photo/Chris Schneider)

Kathryn Reeves, 32, tows an inflatable boat full of family possessions from her god-parents' floodedtrailer in Evans, Colo., on Tuesday, Sept. 17, 2013. Evacuees are returning to their ravagedcommunities and some are finding that their belongings have been destroyed. (AP Photo/ChrisSchneider)

Mike Parachini carries supplies to his home that was flooded in Evans, Colo., on Tuesday, Sept. 17,2013. Evacuees are returning to their ravaged communities and some are finding that theirbelongings have been destroyed. (AP Photo/Chris Schneider)

Members of FEMA Urban Search and Rescue Nebraska Task Force 1 look for missing people in aresidential area now surrounded by floodwaters, west of Longmont, Colo., Tuesday Sept. 17, 2013.Searches continue for those missing in isolated Colorado towns. (AP Photo/Brennan Linsley)

A member of FEMA Urban Search and Rescue Nebraska Task Force 1 looks for missing people in aresidential area now surrounded by floodwaters, west of Longmont, Colo., Tuesday Sept. 17, 2013.Searches continue for those missing in isolated Colorado towns. (AP Photo/Brennan Linsley)

A road is washed out by flooding during a helicopter search of the area around Boulder, Colo., onTuesday, Sept. 17, 2013. The Office of Emergency Management says that the weather is expected tobe clear enough to allow helicopters to take to the skies to rescue flood victims. (AP Photo/DenverPost,Joe Amon, POOL)

A Blackhawk helicopter is flies over a canyon during a helicopter search of the area around Boulder,Colo., on Tuesday, Sept. 17, 2013. The Office of Emergency Management says that the weather isexpected to be clear enough to allow helicopters to take to the skies to rescue flood victims. (APPhoto/Denver Post,Joe Amon, POOL)

Heavy equipment works on a road damaged by flooding during a helicopter search of the areaaround Boulder, Colo., on Tuesday, Sept. 17, 2013. The Office of Emergency Management says thatthe weather is expected to be clear enough to allow helicopters to take to the skies to rescue floodvictims. (AP Photo/Denver Post,Joe Amon, POOL)

Buildings are surrounded by flood water during a helicopter search of the area around Boulder,Colo., on Tuesday, Sept. 17, 2013. The Office of Emergency Management says that the weather isexpected to be clear enough to allow helicopters to take to the skies to rescue flood victims. (APPhoto/Denver Post,Joe Amon, POOL)

Members of FEMA Urban Search and Rescue Nebraska Task Force 1 brace each other as they crossfloodwaters looking for missing people in a residential area now surrounded by water, west ofLongmont, Colo., Tuesday Sept. 17, 2013. Searches continue for those missing in isolated Coloradotowns. (AP Photo/Brennan Linsley)

Members of FEMA Urban Search and Rescue Nebraska Task Force 1 suit up to cross floodwaterslooking for missing people in a residential area now surrounded by water, west of Longmont, Colo.,Tuesday Sept. 17, 2013. Searches continue for those missing in isolated Colorado towns. (APPhoto/Brennan Linsley)

Members of FEMA Urban Search and Rescue Nebraska Task Force 1 use probes to test for waterdepth, which in some places is as much as six feet, preparing to cross floodwaters looking for

missing people in a residential area now surrounded by water, west of Longmont, Colo., TuesdaySept. 17, 2013. Searches continue for those missing in isolated Colorado towns. (AP Photo/BrennanLinsley)

Staff Sgt. Jose Patoja, right, , with the 2-4 GSAB 4th Infantry Division based in Ft. Carson, checks ontwo women his crew rescued near Jamestown, Colo., on Tuesday, Sept. 17, 2013. The Office ofEmergency Management says that the weather is expected to be clear enough to allow helicopters totake to the skies to rescue flood victims. (AP Photo/The Daily Camera, Mark Leffingwell, Pool)

Two women are hoisted into a Blackhawk helicopter as they are rescued near Jamestown, Colo., onTuesday, Sept. 17, 2013 during a helicopter search of the area devastated by flooding in the state.The Office of Emergency Management says that the weather is expected to be clear enough to allowhelicopters to take to the skies to rescue flood victims. (AP Photo/Denver Post,Joe Amon, POOL)

Two women are hoisted into a Blackhawk helicopter as they are rescued near Jamestown, Colo., onTuesday, Sept. 17, 2013 during a helicopter search of the area devastated by flooding in the state.The Office of Emergency Management says that the weather is expected to be clear enough to allowhelicopters to take to the skies to rescue flood victims. (AP Photo/Denver Post,Joe Amon, POOL)

A woman is hoisted into a Blackhawk helicopter as they are rescued near Jamestown, Colo., onTuesday, Sept. 17, 2013 during a helicopter search of the area devastated by flooding in the state.The Office of Emergency Management says that the weather is expected to be clear enough to allowhelicopters to take to the skies to rescue flood victims. (AP Photo/The Daily Camera, MarkLeffingwell, Pool)

Two women are rescued by a helicopter crew with the 2-4 GSAB 4th Infantry Division based in Ft.Carson near Jamestown, Colo., on Tuesday, Sept. 17, 2013. The Office of Emergency Managementsays that the weather is expected to be clear enough to allow helicopters to take to the skies torescue flood victims. (AP Photo/The Daily Camera, Mark Leffingwell, Pool)

Two FEMA personnel are lifted into a Blackhawk helicopter during a helicopter search of the areaaround Boulder, Colo., on Tuesday, Sept. 17, 2013. The Office of Emergency Management says thatthe weather is expected to be clear enough to allow helicopters to take to the skies to rescue floodvictims. (AP Photo/Denver Post,Joe Amon, POOL)

A FEMA search team crosses floodwaters in Crestview Estates in Boulder,Colo., as they search thearea for missing people on Tuesday, Sept. 17, 2013. Colorado rescue crews said Tuesday thatemergency calls were dropping after they rescued hundreds more people stranded by floodwaters.(AP Photo/Jeri Clausing)

Two women are helped as they get off of a military helicopter at the Boulder Municipal Airport inBoulder, Colo., on Tuesday, Sept. 17, 2013, after being rescued. Thousands of people remainedstranded by high water and washed out roads in the state.(AP Photo/Ed Andrieski)

Soldiers do maintenance work on a Chinook helicopter at the Boulder Municipal Airport in Boulder,Colo., on Tuesday, Sept. 17, 2013, where rescue operations are being handled for those strandedfrom flooding. The rains finally stopped, allowing many Colorado flood evacuees to return home totoppled houses and upended vehicles with the realization that rebuilding their lives will take months.Search crews, meanwhile, rescued hundreds more people stranded by floodwaters. ((AP Photo/EdAndrieski)

A military medevac helicopter flies a mission near Boulder, Colo., Tuesday Sept. 17, 2013. The rainsfinally stopped, allowing many Colorado flood evacuees to return home to toppled houses andupended vehicles with the realization that rebuilding their lives will take months. Search crews,meanwhile, rescued hundreds more people stranded by floodwaters. (AP Photo/Brennan Linsley)

A cow walks through flooded fields outside Longmont, Colo., Tuesday Sept. 17, 2013. The rainsfinally stopped, allowing many Colorado flood evacuees to return home to toppled houses andupended vehicles with the realization that rebuilding their lives will take months. Search crews,meanwhile, rescued hundreds more people stranded by floodwaters. . (AP Photo/Brennan Linsley)

Muddied furniture sits in Terri Jo and Jeff Cast's basement in Johnstown, Colo. on Tuesday, Sept. 17,2013 after damage from a flood. The surging waters damaged the rental home as well as the theneighboring farmland. The floods that ravaged Colorado this past week also took a toll on the state'sagricultural communities. (AP Photo/Manuel Valdes)

The roof of a collapsed barn rests on muddy ground at a farm in Johnstown, Colo. on Tuesday, Sept.17, 2013 following damage from a flood. The surging waters damaged a handful of homes andfarmland in this small town. The floods that ravaged Colorado this past week also took a toll on thestate's agricultural communities. (AP Photo/Manuel Valdes)

Mud and water cover what used to be an asphalt driveway at a farm in Johnstown, Colo. on Tuesday,Sept. 17, 2013 following damage from a flood. The surging waters damaged a handful of homes andfarmland in this small town. The floods that ravaged Colorado this past week also took a toll on thestate's agricultural communities. (AP Photo/Manuel Valdes)

Kenny O'Gorman and Delfino Ortega help clean up Terri Jo and Jeff Cast's basement in Johnstown,Colo. on Tuesday, Sept. 17, 2013 following damage from a flood. The surging waters also damagedthe neighboring farmland. The floods that ravaged Colorado this past week also took a toll on thestate's agricultural communities. (AP Photo/Manuel Valdes)

Nancy Cousins, left, cleans furniture while her husband John Cousins, right, carries possessions outtheir flooded basement in Longmont, Colo., on Tuesday, Sept. 17, 2013. The rains finally stopped,allowing many Colorado flood evacuees to return home to toppled houses and upended vehicles withthe realization that rebuilding their lives will take months. Search crews, meanwhile, rescuedhundreds more people stranded by floodwaters. (AP Photo/Chris Schneider)

City of Longmont workers Cody Trevithick, left, and Daniel Gurrola, right, clean mud and debrisfrom Airport Rd. in Longmont, Colo., on Tuesday, Sept. 17, 2013. The rains finally stopped, allowingmany Colorado flood evacuees to return home to toppled houses and upended vehicles with therealization that rebuilding their lives will take months. Search crews, meanwhile, rescued hundredsmore people stranded by floodwaters. (AP Photo/Chris Schneider)

At sunrise, the St. Vrain creek flows past a bridge destroyed in flooding days earlier, in Longmont,Colo., Tuesday Sept. 17, 2013. Meanwhile elsewhere, searches continue for those missing in isolatedColorado mountain towns. The rains finally stopped, allowing many Colorado flood evacuees toreturn home to toppled houses and upended vehicles with the realization that rebuilding their liveswill take months. Search crews, meanwhile, rescued hundreds more people stranded by floodwaters.(AP Photo/Brennan Linsley)

Homeowner Chris Ringdahl, left, is comforted by family friend Katherine MacIntosh, right, in frontof her possessions as they cleanup from the floodwaters in Longmont, Colo., on Monday, Sept. 16,

2013. Floodwaters have affected a 4,500 square-mile section of the state inundating entireneighborhoods and destroying bridges and roads. (AP Photo/Chris Schneider)

FILE - In this Sept. 13, 2013 file photo, cars lay mired in mud deposited by floods in Lyons, Colo.Little more than a year after Colorado Gov. John Hickenlooper assured the world his wildfire-ravaged state was still �open for business,� he may have to throw another lifeline to keep thestate�s billion-dollar tourism industry afloat. (AP Photo/Brennan Linsley, File)

This photo released by the U.S. Army, Staff Sgt. Jose Pantoja, a flight medic with the Colorado AirNational Guard, carries an unidentified evacuee up a hoist onto a UH-60 Black Hawk helicopterduring flood rescue and recovery operations near Boulder, Colo., Monday, Sept. 16, 2013. Militaryhelicopter crews have flown hundreds of missions up the treacherous canyons of the RockyMountains to rescue about 2,000 people, and counting, and drop food and water supplies tostranded hamlets. (AP Photo/U.S. Army, Sgt. Jonathan C. Thibault/Released)

Cars moved around by floodwaters are piled up in Longmont, Colo., on Monday, Sept. 16, 2013.Floodwaters have affected a 4,500 square-mile section of the state inundating entire neighborhoodsand destroying bridges and roads. (AP Photo/Chris Schneider)

Saikham Xiong, 22, cleans mud from a business in Longmont, Colo., on Monday, Sept. 16, 2013.Floodwaters have affected a 4,500 square-mile section of the state inundating entire neighborhoodsand destroying bridges and roads. (AP Photo/Chris Schneider)

A building is surrounded by floodwaters in Loveland, Colo., on Monday, Sept. 16, 2013. Floodwatershave affected a 4,500 square-mile section of the state inundating entire neighborhoods anddestroying bridges and roads. (AP Photo/Chris Schneider)

A pickup truck lies in floodwaters in Longmont, Colo., on Monday, Sept. 16, 2013. Floodwaters haveaffected a 4,500 square-mile section of the state inundating entire neighborhoods and destroyingbridges and roads. (AP Photo/Chris Schneider)

Floodwaters inundate a street in Loveland, Colo., on Monday, Sept. 16, 2013. Floodwaters haveaffected a 4,500 square-mile section of the state inundating entire neighborhoods and destroyingbridges and roads. (AP Photo/Chris Schneider)

A woman is helped off of a military helicopter at the Boulder Municipal Airport in Boulder, Colo., onon Monday, Sept. 16, 2013, after being rescued. Thousands of people remained stranded by highwater and washed out roads in the state. (AP Photo/Ed Andrieski)

A flood victim walks off of a military helicopter at the Boulder Municipal Airport in Boulder, Colo., onon Monday, Sept. 16, 2013, after being rescued. Thousands of people remained stranded by highwater and washed out roads in the state.(AP Photo/Ed Andrieski)

Flood victims are helped off of a military helicopter at the Boulder Municipal Airport in Boulder,Colo., on Monday, Sept. 16, 2013, after being rescued. Thousands of people remained stranded byhigh water and washed out roads in the state.(AP Photo/Ed Andrieski)

A woman is helped off of a military helicopter at the Boulder Municipal Airport in Boulder, Colo., onon Monday, Sept. 16, 2013, after being rescued. Thousands of people remained stranded by highwater and washed out roads in the state.(AP Photo/Ed Andrieski)

Flood victims are helped off of military helicopters at the Boulder Municipal Airport in Boulder,Colo., on on Monday, Sept. 16, 2013, after being rescued. Thousands of people remained strandedby high water and washed out roads in the state.(AP Photo/Ed Andrieski)

A military helicopter takes off from Boulder Municipal Airport as another, in foreground, warms upto fly in Boulder, Colo., on Monday, Sept. 16, 2013. Crews are searching for pockets of individualsstill stranded from flooding that began late last week. (AP Photo/Ed Andrieski)

Miranda Woodard, left, and Joey Schendel help salvage and clean property in an area inundatedafter days of flooding, in Hygiene, Colo., Monday Sept. 16, 2013. Colorado mountain towns cut offfor days by massive flooding slowly reopened Monday, to reveal cabins toppled, homes ripped fromtheir foundations and everything covered in a thick layer of muck. (AP Photo/Brennan Linsley)

Local residents, left to right, Genevieve Marquez and Miranda Woodard rinse mud from their handsin floodwaters while helping salvage and clean property in an area inundated after days of flooding,in Hygeine, Colo., Monday Sept. 16, 2013. Searches continue for missing people in isolated Coloradomountain towns. (AP Photo/Brennan Linsley)

Local residents, left to right, Levi Wolfe, Miranda Woodard, Tyler Sadar, and Genevieve Marquezhelp salvage and clean property in an area inundated after days of flooding, in Hygeine, Colo.,Monday Sept. 16, 2013. Searches continue for missing people in isolated Colorado mountain towns.(AP Photo/Brennan Linsley)

Local residents, left to right, Tyler Sadar, Miranda Woodard, Joey Schendel, and Levi Wolfe helpsalvage and clean property in an area inundated after days of flooding, in Hygeine, Colo., MondaySept. 16, 2013. Searches continue for missing people in isolated Colorado mountain towns. (APPhoto/Brennan Linsley)

Local man Joey Schendel, 19, looks for submerged items while helping neighbors salvage and cleantheir property in an area inundated after days of flooding, in Hygeine, Colo., Monday Sept. 16, 2013.Searches continue for missing people in isolated Colorado mountain towns. (AP Photo/BrennanLinsley)

A bulldozer drives on the sidewalk past Boulder Creek, whose swollen waters have recededsomewhat since the intense rain has abated over the past two days, in Boulder, Colo., Sunday Sept.15, 2013. The National Weather Service says up to 2 inches of rain could fall Sunday, creating a riskof more flooding and mudslides. (AP Photo/Brennan Linsley)

Dawn breaks over Boulder, Colo., where the intense rain which had fallen for days has abatedsomewhat over the past two days, on Sunday Sept. 15, 2013. Helicopter crews are planning toexpand their searches Sunday for people stranded by flooding in Colorado. But those plans could behampered by more rain. (AP Photo/Brennan Linsley)

As heavy rains return after somewhat abating for two days, a field fills with water from overflowingcreeks nearby, outside Longmont, Colo., Sunday Sept. 15, 2013. The National Weather Service saysup to 2 inches of rain could fall Sunday, creating a risk of more flooding and mudslides. (APPhoto/Brennan Linsley)

As heavy rains return after somewhat abating for two days, a field fills with water from overflowingcreeks nearby, outside Longmont, Colo., Sunday Sept. 15, 2013. The National Weather Service saysup to 2 inches of rain could fall Sunday, creating a risk of more flooding and mudslides. (AP

Photo/Brennan Linsley)

Carlos Duron, 3, and his mother, Vilma Maldonado, are evacuees from Longmont, Colo., staying atMead High School with the Red Cross on Sunday, Sept. 15, 2013 in Mead, Colo. The NationalWeather Service says up to 2 inches of rain could fall Sunday, creating a risk of more flooding andmudslides. (AP Photo/The Daily Camera, Cliff Grassmick) NO SALES

As heavy rains return after somewhat abating for two days, a farm fills with water from overflowingcreeks nearby, outside Longmont, Colo., Sunday Sept. 15, 2013. The National Weather Service saysup to 2 inches of rain could fall Sunday, creating a risk of more flooding and mudslides. (APPhoto/Brennan Linsley)

Cortney Perez of Lyons, Colo., pets her dog, while one of her birds rests on her shoulder at theLifeBridge Church in Longmont, Colo., on September 15, 2013. The church provides food andshelter for families and pets. The National Weather Service says up to 2 inches of rain could fallSunday, creating a risk of more flooding and mudslides. (AP Photo/The Daily Camera, CliffGrassmick) NO SALES

A building housing farm equipment is underwater from flooding on the South Platte River on a farmnear Greeley, Colo., on Sunday, Sept. 15, 2013. Heavy rains continued on Sunday. Broad swaths offarmland have become lakes, as the raging South Platte and Poudre rivers flood the area. APPhoto/Ed Andrieski)

Dan Feldheim, left, Scott Hoffenberg, center, and John Smart, pass sandbags as residents reinforcethe dam on University Hill in Boulder, Colo., on Sunday, Sept. 15, 2013. The National WeatherService says up to 2 inches of rain could fall Sunday, creating a risk of more flooding and mudslides.(AP Photo/The Daily Camera, Paul Aiken) NO SALES

Dean Beacom works to save his home from a flash flood near 19th Street and Upland Avenue,Sunday, Sept. 15, 2013, in Boulder, Colo. The National Weather Service says up to 2 inches of raincould fall Sunday, creating a risk of more flooding and mudslides. (AP Photo/The Daily Camera,Jeremy Papasso) NO SALES

A home on Upland Avenue is inundated by a flash flood on Sunday, Sept. 15, 2013, in Boulder, Colo.The National Weather Service says up to 2 inches of rain could fall Sunday, creating a risk of moreflooding and mudslides. (AP Photo/The Daily Camera, Jeremy Papasso) NO SALES

This photo taken on Friday, Sept. 13, 2013, shows cleanup of damage from flooding underway inLyons, Colo. Access to the small mountain town was cut off after bridges were destroyed by flashflooding. Days of rain and floods have transformed the outdoorsy mountain communities inColorado's Rocky Mountain foothills from a paradise for backpackers and nature lovers into adisaster area with little in the way of supplies or services. Roadways have crumbled, scenic bridgesare destroyed, and most shops are closed.(AP Photo/Kenneth Wajda)

This photo taken on Friday, Sept. 13, 2013, shows National Guardsmen loading a woman into a truckto be evacuated from Lyons, Colo. Access to the small mountain town was cut off after bridges weredestroyed by flash flooding. Days of rain and floods have transformed the outdoorsy mountaincommunities in Colorado's Rocky Mountain foothills from a paradise for backpackers and naturelovers into a disaster area with little in the way of supplies or services. Roadways have crumbled,scenic bridges are destroyed, and most shops are closed.(AP Photo/Kenneth Wajda)

This photo taken on Friday, Sept. 13, 2013, shows vehicles damages by flood waters on a street inLyons, Colo. Access to the small mountain town was cut off after bridges were destroyed by flashflooding. Days of rain and floods have transformed the outdoorsy mountain communities inColorado's Rocky Mountain foothills from a paradise for backpackers and nature lovers into adisaster area with little in the way of supplies or services. Roadways have crumbled, scenic bridgesare destroyed, and most shops are closed.(AP Photo/Kenneth Wajda)

This photo taken on Friday, Sept. 13, 2013, a National Guard soldier carrying bread into Lyons,Colo. Access to the small mountain town was cut off after bridges were destroyed by flash flooding.Days of rain and floods have transformed the outdoorsy mountain communities in Colorado's RockyMountain foothills from a paradise for backpackers and nature lovers into a disaster area with littlein the way of supplies or services. Roadways have crumbled, scenic bridges are destroyed, and mostshops are closed.(AP Photo/Kenneth Wajda)

This photo taken on Friday, Sept. 13, 2013, shows the foundation of a house being undercut inLyons, Colo. Access to the small mountain town was cut off after bridges were destroyed by flashflooding. Days of rain and floods have transformed the outdoorsy mountain communities inColorado's Rocky Mountain foothills from a paradise for backpackers and nature lovers into adisaster area with little in the way of supplies or services. Roadways have crumbled, scenic bridgesare destroyed, and most shops are closed.(AP Photo/Kenneth Wajda)

This photo taken on Friday, Sept. 13, 2013, shows National Guard trucks making their way down oneof the main streets in Lyons, Colo. Access to the small mountain town was cut off after bridges weredestroyed by flash flooding. Days of rain and floods have transformed the outdoorsy mountaincommunities in Colorado's Rocky Mountain foothills from a paradise for backpackers and naturelovers into a disaster area with little in the way of supplies or services. Roadways have crumbled,scenic bridges are destroyed, and most shops are closed.(AP Photo/Kenneth Wajda)

This photo taken on Friday, Sept. 13, 2013, shows two men carrying bottled water down a street inLyons, Colo. Access to the small mountain town was cut off after bridges were destroyed by flashflooding. Days of rain and floods have transformed the outdoorsy mountain communities inColorado's Rocky Mountain foothills from a paradise for backpackers and nature lovers into adisaster area with little in the way of supplies or services. Roadways have crumbled, scenic bridgesare destroyed, and most shops are closed.(AP Photo/Kenneth Wajda)

Water flows through an evacuated neighborhood after days of flooding in Hygeine, Colo., SundaySept. 15, 2013. After somewhat abating for two days, rain returned to Colorado Sunday, creating arisk of more flooding and mudslides. (AP Photo/Brennan Linsley)

Water flows through an evacuated neighborhood after days of flooding in Hygeine, Colo., SundaySept. 15, 2013. After somewhat abating for two days, rain returned to Colorado Sunday, creating arisk of more flooding and mudslides. (AP Photo/Brennan Linsley)

Water flows through an evacuated neighborhood after days of flooding in Hygeine, Colo., SundaySept. 15, 2013. After somewhat abating for two days, rain returned to Colorado Sunday, creating arisk of more flooding and mudslides. (AP Photo/Brennan Linsley)

Water flows through an evacuated neighborhood after days of flooding in Hygeine, Colo., SundaySept. 15, 2013. After somewhat abating for two days, rain returned to Colorado Sunday, creating a

risk of more flooding and mudslides. (AP Photo/Brennan Linsley)

A flooded house bears a dark muddy line showing the high water mark from the flood's peak, in anevacuated neighborhood in Hygeine, Colo., Sunday Sept. 15, 2013. After somewhat abating for twodays, rain returned to Colorado Sunday, creating a risk of more flooding and mudslides. (APPhoto/Brennan Linsley)

A local woman walks in an evacuated neighborhood where many homes are inundated with waterfrom overflowing canals after days of flash floods and intense rain, in Hygeine, Colo., Sunday Sept.15, 2013. After somewhat abating for two days, rain returned to Colorado Sunday, creating a risk ofmore flooding and mudslides. (AP Photo/Brennan Linsley)

Coffee shop owner Amy Hamrick poses in her shop Sunday Sept. 15, 2013 in Estes Park, Colo.Hamrick worked to clear inventory and clean up mud and water that swamped the town's mainstreet when the Big Thompson River surged through Estes Park late Thursday and early Friday. (APPhoto/Jeri Clausing)

Mud from flooding is shown covering the main street Sunday Sept. 15, 2013 in Estes Prk, Colo.,after water and debris swamped the town when the Big Thompson River surged through Estes Parklate Thursday and early Friday. In Estes Park, some 20 miles from Lyons, hundreds of homes andcabins were empty in the town that is a gateway to Rocky Mountain National Park. High water stillcovered several low-lying streets. Where the river had receded, it had left behind up to a foot ofmud. (AP Photo/Jeri Clausing)

Loaders scrape up mud Sunday Sept. 15, 2013, from the flooding that swept through Estes Park,Colo., that swamped the town's main street when the Big Thompson River surged through EstesPark late Thursday and early Friday. (AP Photo/Jeri Clausing)

Granger Banks and Suzie Banks walk between discarded and drying household items from adamaged house on Upland Ave in Boulder, Colo., on Sunday, Sept. 15, 2013. Rain fell heavilySunday, increasing fears of more flooding in the community. (AP Photo/The Daily Camera, PaulAiken) NO SALES

A mudslide along the side of the highway leading into the mountain town of Estes Park, Colo., isshown Sunday, Sept. 15, 2013. Estes Park town administrator Frank Lancaster said visitors whowould normally flock there during the golden September days should stay away for at least a month,but it could take a year or longer for many of the mountain roadways to be repaired.(AP Photo/JeriClausing)

A boat carrying residents back to their homes to gather pets and belongings goes past a muddy U.S.flag in a residential neighborhood in Longmont, Colo., on Saturday, Sept. 14, 2013. Floodwatershave affected a 4,500 square-mile section of the state. National Guard helicopters have beenevacuating residents from the hardest hit communities. (AP Photo/Chris Schneider)

A muddy U.S. flag stands in front of flooded homes in Longmont, Colo., on Saturday, Sept. 14, 2013.Floodwaters have affected a 4,500 square-mile section of the state. National Guard helicopters havebeen evacuating residents from the hardest hit communities. (AP Photo/Chris Schneider)

Eric Machmuller, front left, Brian Winn, rear left, Mitch Machmuller, rear right, and PatMachmuller, front right, steer a boat down a residential street to help residents gather pets andbelongings from their flooded homes in Longmont, Colo., on Saturday, Sept. 14, 2013. Floodwaters

have affected a 4,500 square-mile section of the state. National Guard helicopters have beenevacuating residents from the hardest hit communities. (AP Photo/Chris Schneider)

Brian Winn, rear left, Mitch Machmuller, rear center, Eric Machmuller, front center, and PatMachmuller, right, steer a boat down a residential street to help residents gather pets andbelongings from their flooded homes in Longmont, Colo., on Saturday, Sept. 14, 2013. Floodwatershave affected a 4,500 square-mile section of the state. National Guard helicopters have beenevacuating residents from the hardest hit communities. (AP Photo/Chris Schneider)

Farm buildings stand in fields submerged by flooding along the South Platte River in Weld County,Colo., near Greeley, Saturday, Sept. 14, 2013. The days-long rush of water from higher groundturned parts of Colorado's expansive eastern plains into muddy swamps. (AP Photo/John Wark)

Kathy Bell, 58, walks through a stream running through a neighbor's yard to get possessions fromher home in Longmont, Colo., on Saturday, Sept. 14, 2013. Floodwaters have affected a 4,500square-mile section of the state. National Guard helicopters have been evacuating residents from thehardest hit communities. (AP Photo/Chris Schneider)

Colorado Gov. John Hickenlooper, second from left, walks with, left to right, Rep. Jared Polis, D-Colo., Sen. Michael Bennet, D-Colo., Sen. Mark Udall, D-Colo., and, second from right, Rep. EdPerlmutter, D-Colo., after touring flood-damaged areas by army helicopter, at Boulder MunicipalAirport, Colo., Saturday Sept. 14, 2013. By air and by land, the rescue of hundreds of Coloradoansstranded by epic mountain flooding was accelerating as food and water supplies ran low, whilethousands more were driven from their homes on the plains as debris-filled rivers became muddyseas inundating towns and farms miles from the Rockies. (AP Photo/Brennan Linsley)

Krsitin McDonald, right, dries out family photos while her husband Stanley McDonald, left, wipes hisbrow after their basement flooded in Longmont, Colo., on Saturday, Sept. 14, 2013. Floodwatershave affected a 4,500 square-mile section of the state. National Guard helicopters have beenevacuating residents from the hardest hit communities. (AP Photo/Chris Schneider)

Kyle McDonald, 20, dumps buckets of water from the basement of his home into the street inLongmont, Colo., on Saturday, Sept. 14, 2013. Floodwaters have affected a 4,500 square-milesection of the state. National Guard helicopters have been evacuating residents from the hardest hitcommunities. (AP Photo/Chris Schneider)

People stand at the edge of a highway washed out by flooding along the South Platte River in WeldCounty, Colorado near Greeley, Saturday, Sept. 14, 2013. Hundreds of roads in the area have beendamaged or destroyed by the floodwaters that have affected parts of a 4,500-square-mile area. (APPhoto/John Wark)

Eric Machmuller, front left, and Pat Machmuller, rear left, lead a boat down a residential street tohelp residents gather pets and belongings from their flooded homes in Longmont, Colo., onSaturday, Sept. 14, 2013. Floodwaters have affected a 4,500 square-mile section of the state.National Guard helicopters have been evacuating residents from the hardest hit communities. (APPhoto/Chris Schneider)

A resident sits in her front door and looks at flood waters in Longmont, Colo., on Saturday, Sept. 14,2013. Floodwaters have affected a 4,500 square-mile section of the state. National Guard helicoptershave been evacuating residents from the hardest hit communities. (AP Photo/Chris Schneider)

A group of trailers are smashed together at a storage site near Greeley, Colo., Saturday, Sept. 14,2013, as debris-filled rivers flooded into towns and farms miles from the Rockies. Hundreds of roads,farms and businesses in the area have been damaged or destroyed by the floodwaters. (APPhoto/John Wark)

A resident watches a boat float down the center of the street in Longmont, Colo., on Saturday, Sept.14, 2013. Floodwaters have affected a 4,500 square-mile section of the state. National Guardhelicopters have been evacuating residents from the hardest hit communities. (AP Photo/ChrisSchneider)

A section of highway is washed out by flooding along the South Platte River in Weld County,Colorado near Greeley, Saturday, Sept. 14, 2013. Hundreds of roads in the area have been damagedor destroyed by the floodwaters that have affected parts of a 4,500-square-mile (11,655-squar--kilometer) area � an area the size of the U.S. state of Connecticut. (AP Photo/John Wark)

A field of parked cars and trucks sits partially submerged near Greeley, Colo., Saturday, Sept. 14,2013, as debris-filled rivers flooded into towns and farms miles from the Rockies. Hundreds of roads,farms and businesses in the area have been damaged or destroyed by the floodwaters. (APPhoto/John Wark)

A car is surrounded floodwaters in front of a home in Longmont, Colo., on Saturday, Sept. 14, 2013.Floodwaters have affected a 4,500 square-mile section of the state. National Guard helicopters havebeen evacuating residents from the hardest hit communities. (AP Photo/Chris Schneider)

A boy walks past a flooded home in Longmont, Colo., on Saturday, Sept. 14, 2013. Floodwaters haveaffected a 4,500 square-mile section of the state. National Guard helicopters have been evacuatingresidents from the hardest hit communities. (AP Photo/Chris Schneider)

Colorado Gov. John Hickenlooper, center, speaks to members of the media, alongside Sen. MarkUdall, D-Colo., left, and Sen. Michael Bennet, D-Colo., after touring flood-damaged areas by armyhelicopter, at Boulder Municipal Airport, Colo., Saturday Sept. 14, 2013. By air and by land, therescue of hundreds of Coloradoans stranded by epic mountain flooding was accelerating as food andwater supplies ran low, while thousands more were driven from their homes on the plains as debris-filled rivers became muddy seas inundating towns and farms miles from the Rockies. (APPhoto/Brennan Linsley)

Bonnie Dannelly hugs her daughter Makayla after she got off the bus at Fireside Elementary inLouisville, Colo., Saturday Sept. 14, 2013. Makayla Dannelly was one of over 80 Fireside 5th graderswho were trapped above Jamestown at Camp Cal-Wood. (AP Photo/Daily Camera, Mark Leffingwell)

Rose Marie Rempel holds an old photo album that has water damage from the flooding on Sept. 14,2013. She lives in the Champion neighborhood in Longmont, Colo. (AP Photo/The Daily Camera, CliffGrassmick )

Judy Laursen helps a neighbor load belongings in a car in the Champion Neighborhood in Longmont,Colorado on Sept. 14, 2013. Residents were allowed in for an hour to get belongings on SaturdaySept. 14, 2013. (AP Photo/The Daily Camera, Cliff Grassmick )

Lefthand Canyon Road near the intersection of Olde Stage Road in Boulder, Colo., on Saturday,Sept. 14, in Boulder. Rescuers rushed by land and by air Saturday to evacuate Coloradoans strandedby epic mountain flooding as debris-filled rivers became muddy seas that extended into towns and

farms miles from the Rockies. Four people have been confirmed dead since the harrowing floodsbegan Wednesday. And hundreds of others have not been heard from in the flood zone, which hasgrown to cover an area covering nearly 4,500 square miles (11,655 square kilometers), nearly thesize of the U.S. state of Connecticut. (AP Photo/Daily Camera, Jeremy Papasso)

Railroad tracks running North and South at 9th Street, East of Airport Road, continue to be floodedin Longmont, Colo, on Saturday Sept. 14, 2013. (AP Photo/The Daily Camera, Cliff Grassmick )

Justin Slyter with Par Electrical Contractors looks over fallen power poles in a office complex onArapahoe Avenue next to Eben G Fine Park in Boulder on Saturday Sept, 14, 2013. (AP Photo/TheDaily Camera, Paul Aiken)

From left to right Steve Gabel and Patrick Muir move a soaked couch out from Muir's apartment on7th Street on University Hill in Boulder on Saturday Sept, 14, 2013. (AP Photo/The Daily Camera,Paul Aiken)

Cassie King looks over Boulder Creek from a bridge in Eben G. Fine Park in Boulder on SaturdaySept, 14, 2013. (AP Photo/The Daily Camera, Paul Aiken)

Evan Russack with his son Trevor, 6, look over Pennsylvania Ave on University Hill which was cut intwo by flooding Saturday Sept, 14, 2013. (AP Photo/The Daily Camera, Paul Aiken)

Jon Tarkington with his daughter Evy, 1, look over a diversion dam built in the intersection of 7thStreet and University Ave on University Hill in Boulder, Colo., Saturday Sept, 14, 2013. (APPhoto/The Daily Camera, Paul Aiken)

Julie Hauser works to shore up a handmade diversion dam on 7th Street on University Hill inBoulder, Colo., on Saturday Sept, 14, 2013. (AP Photo/The Daily Camera, Paul Aiken)

Anita and Art Powner evacuate with their dogs Zypher and Lexus on Saturday, Sept. 14, on OldeStage Road in Boulder, Colo. Rescuers rushed by land and by air Saturday to evacuate Coloradoansstranded by epic mountain flooding as debris-filled rivers became muddy seas that extended intotowns and farms miles from the Rockies. Four people have been confirmed dead since the harrowingfloods began Wednesday. And hundreds of others have not been heard from in the flood zone, whichhas grown to cover an area covering nearly 4,500 square miles (11,655 square kilometers), nearlythe size of the U.S. state of Connecticut. (AP Photo/Daily Camera, Jeremy Papasso)

Lefthand Canyon Drive is in ruins seen here on Saturday, Sept. 14, on Olde Stage Road in Boulder,Colo. Rescuers rushed by land and by air Saturday to evacuate Coloradoans stranded by epicmountain flooding as debris-filled rivers became muddy seas that extended into towns and farmsmiles from the Rockies. Four people have been confirmed dead since the harrowing floods beganWednesday. And hundreds of others have not been heard from in the flood zone, which has grown tocover an area covering nearly 4,500 square miles (11,655 square kilometers), nearly the size of theU.S. state of Connecticut. (AP Photo/Daily Camera, Jeremy Papasso)

Richard Dash evacuates his home on Saturday, Sept. 14, on Olde Stage Road in Boulder, Colo.Rescuers rushed by land and by air Saturday to evacuate Coloradoans stranded by epic mountainflooding as debris-filled rivers became muddy seas that extended into towns and farms miles fromthe Rockies. Four people have been confirmed dead since the harrowing floods began Wednesday.And hundreds of others have not been heard from in the flood zone, which has grown to cover anarea covering nearly 4,500 square miles (11,655 square kilometers), nearly the size of the U.S. state

of Connecticut. (AP Photo/Daily Camera, Jeremy Papasso)

Power crews work on resetting lines felled by a mudslide on Olde Stage Road in Boulder, Colo,.Saturday Sept. 14, 2013. Rescuers rushed by land and by air Saturday to evacuate Coloradoansstranded by epic mountain flooding as debris-filled rivers became muddy seas that extended intotowns and farms miles from the Rockies. Four people have been confirmed dead since the harrowingfloods began Wednesday. And hundreds of others have not been heard from in the flood zone, whichhas grown to cover an area covering nearly 4,500 square miles (11,655 square kilometers), nearlythe size of the U.S. state of Connecticut. (AP Photo/Daily Camera, Jeremy Papasso)

Brian Montgomery works to clean up the mud in his mothers flooded basement on Saturday, Sept.14, on Olde Stage Road in Boulder, Colo,. Rescuers rushed by land and by air Saturday to evacuateColoradoans stranded by epic mountain flooding as debris-filled rivers became muddy seas thatextended into towns and farms miles from the Rockies. Four people have been confirmed dead sincethe harrowing floods began Wednesday. And hundreds of others have not been heard from in theflood zone, which has grown to cover an area covering nearly 4,500 square miles (11,655 squarekilometers), nearly the size of the U.S. state of Connecticut. (AP Photo/Daily Camera, JeremyPapasso)

A woman, who asked not to be identified, carries two children while being evacuated by the JuniperValley Fire Crew on Saturday, Sept. 14, on Olde Stage Road in Boulder, Colo,. Rescuers rushed byland and by air Saturday to evacuate Coloradoans stranded by epic mountain flooding as debris-filled rivers became muddy seas that extended into towns and farms miles from the Rockies. Fourpeople have been confirmed dead since the harrowing floods began Wednesday. And hundreds ofothers have not been heard from in the flood zone, which has grown to cover an area covering nearly4,500 square miles (11,655 square kilometers), nearly the size of the U.S. state of Connecticut. (APPhoto/Daily Camera, Jeremy Papasso)

Will Pitner is rescued by emergency workers after a night trapped sheltering outside on high groundabove his home as it filled with water after days of record rain and flooding, at the base of BoulderCanyon, Colo., Friday Sept. 13, 2013 in Boulder. People in Boulder were ordered to evacuate aswater rose to dangerous levels amid a storm system that has been dropping rain for a week.Rescuers struggled to reach dozens of people cut off by flooding in mountain communities, whileresidents in the Denver area and other areas were warned to stay off flooded streets. (APPhoto/Brennan Linsley)

Will Pitner is rescued by emergency workers after a night trapped sheltering outside on high groundabove his home as it filled with water from the surge of water, after days of record rain and flooding,at the base of Boulder Canyon, Colo., Friday Sept. 13, 2013 in Boulder. People in Boulder wereordered to evacuate as water rose to dangerous levels amid a storm system that has been droppingrain for a week. Rescuers struggled to reach dozens of people cut off by flooding in mountaincommunities, while residents in the Denver area and other areas were warned to stay off floodedstreets. (AP Photo/Brennan Linsley)

Will Pitner is rescued by emergency workers, and neighbor Jeff Writer, left, after a night trappedsheltering outside on high ground above his home as it filled with water from a surge of water, afterdays of record rain and flooding, at the base of Boulder Canyon, Colo., Friday Sept. 13, 2013 inBoulder. Flash flooding in Colorado has left at least three people reportedly dead and thewidespread high waters have hampered emergency workers' access to affected communities asheavy rains hammered northern Colorado. (AP Photo/Brennan Linsley)

A duck swims near bleachers at Utah Park on Thursday, Sept. 12, 2013, in Aurora, Colo. The parkwas under water Thursday due to flooding. Flash flooding in Colorado has cut off access to towns,closed the University of Colorado in Boulder and left at least three people dead.(AP Photo/EdAndrieski)

A man begins cleaning up Canon Avenue in Manitou Springs, Colo. after a flash flood burst througha manhole and sent water rushing down the streets Thursday, Sept. 12, 2013. (AP Photo/TheGazette, Michael Ciaglo) MAGS OUT

Flood water shoots out of a sewer on Canon Avenue on Thursday, Sept. 12, 2013, in ManitouSprings, Colo. Flash flooding in Colorado has cut off access to towns, closed the University ofColorado in Boulder and left at least three people dead. (AP Photo/The Colorado Springs Gazette,Michael Ciaglo)

Flood water shoots out of a sewer on Canon Avenue next to the Cliff House in Manitou Springs, Colo.Thursday, Sept. 12, 2013 as storms continue to dump rain over the Waldo Canyon burn scar. (APPhoto/The Gazette, Michael Ciaglo)

Brian Flynn, of Oregon, clears a drain in front of his sister's home in Boulder, Colo., on Thursday,Sept. 12, 2013. Flash flooding in Colorado has cut off access to towns, closed the University ofColorado in Boulder and left at least three people dead.(AP Photo/Ed Andrieski)

A couple plays in flood water at Utah Park in Aurora, Colo., on Thursday, Sept. 12, 2013. The parkwas under water due to flooding. Flash flooding in Colorado has cut off access to towns, closed theUniversity of Colorado in Boulder and left at least three people dead.(AP Photo/Ed Andrieski)

Boulder Creek roils at high speed after days of record rain and flooding, at the base of BoulderCanyon, Friday Sept. 13, 2013 in Boulder, Colo. People in Boulder were ordered to evacuate aswater rose to dangerous levels amid a storm system that has been dropping rain for a week.Rescuers struggled to reach dozens of people cut off by flooding in mountain communities, whileresidents in the Denver area and other areas were warned to stay off flooded streets. (APPhoto/Brennan Linsley)

Water pours off the roof of a house after days of record rain and flooding, at the base of BoulderCanyon, Friday Sept. 13, 2013 in Boulder, Colo. People in Boulder were ordered to evacuate aswater rose to dangerous levels amid a storm system that has been dropping rain for a week.Rescuers struggled to reach dozens of people cut off by flooding in mountain communities, whileresidents in the Denver area and other areas were warned to stay off flooded streets. (APPhoto/Brennan Linsley)(AP Photo/Brennan Linsley)

Boulder Creek roils at high speed after days of record rain and flooding, at the base of BoulderCanyon, Colo., Friday Sept. 13, 2013 in Boulder. People in Boulder were ordered to evacuate aswater rose to dangerous levels amid a storm system that has been dropping rain for a week.Rescuers struggled to reach dozens of people cut off by flooding in mountain communities, whileresidents in the Denver area and other areas were warned to stay off flooded streets. (APPhoto/Brennan Linsley)

During a break in the rain, a woman walks over a footbridge past Boulder Creek which roils at highspeed after days of record rain and flooding, at the base of Boulder Canyon, Colo., Friday Sept. 13,2013. People in Boulder were ordered to evacuate as water rose to dangerous levels amid a stormsystem that has been dropping rain for a week. Rescuers struggled to reach dozens of people cut off

by flooding in mountain communities, while residents in the Denver area and other areas werewarned to stay off flooded streets. (AP Photo/Brennan Linsley)

Boulder Creek flows at high speed next to a road closed off by debris from days of rain and flooding,at the base of Boulder Canyon, Colo., Friday, Sept. 13, 2013. People in Boulder were ordered toevacuate as water rose to dangerous levels amid a storm system that has been dropping rain for aweek. Rescuers struggled to reach dozens of people cut off by flooding in mountain communities,while residents in the Denver area and other areas were warned to stay off flooded streets. (APPhoto/Brennan Linsley)

Brother and sister Patrick Tinsley and Mary Kerns walk into Boulder, Colo., from their mountaincommunity Magnolia, where road access is shut off by debris from days of record rain and flooding,at the base of Boulder Canyon, Colo., Friday, Sept. 13, 2013. People in Boulder were ordered toevacuate as water rose to dangerous levels amid a storm system that has been dropping rain for aweek. Rescuers struggled to reach dozens of people cut off by flooding in mountain communities,while residents in the Denver area and other areas were warned to stay off flooded streets. (APPhoto/Brennan Linsley)

A wall of a clouds enshrouds the high-rise buildings of downtown Denver early Friday, Sept. 13,2013., as heavy rains continue to pummel cities along Colorado's Front Range. Heavy, stationaryrainstorms have wreaked havoc on cities and communities along the Front Range and into thefoothills since Wednesday with more rain forecasted for the weekend ahead. (AP Photo/DavidZalubowski)

Mountain View Fire Rescue department firefighters Jamie Wood and Steve Knoll walk through a foodof water after doing a welfare check of a flooded property in rural Erie, Colo. on Thursday, Sept. 12,2013. Overnight rains along Colorado's eastern foothills caused flooding in several communities andtwo fatalities. (AP Photo/Peter M. Fredin)

This image provided by Jason Stillman, shows flooding in Lyons Colo., Thursday Sept. 12, 2013.Boulder County Sheriff Joe Pelle said the town of Lyons was completely cut off because of floodedroads. Flash flooding in Colorado has cut off access to towns, closed the University of Colorado inBoulder and left at least three people dead. (AP Photo/Jason Stillman)

A man takes a photograph of the overflowing St. Vrain River following overnight flash flooding, onemile east of Lyons, Colo., Thursday, Sept 12, 2013. Flash flooding in Colorado has left at least threepeople reportedly dead and the widespread high waters are keeping search and rescue teams fromreaching stranded residents in Lyons and nearby mountain communities as heavy rains hammerednorthern Colorado. (AP Photo/Brennan Linsley)

This image provided by Jason Stillman, shows flooding in Lyons Colo., Thursday Sept. 12, 2013.Boulder County Sheriff Joe Pelle said the town of Lyons was completely cut off because of floodedroads. Flash flooding in Colorado has cut off access to towns, closed the University of Colorado inBoulder and left at least three people dead. (AP Photo/Jason Stillman)

This image provided by Jason Stillman, shows flooding in Lyons Colo., Thursday Sept. 12, 2013.Boulder County Sheriff Joe Pelle said the town of Lyons was completely cut off because of floodedroads. Flash flooding in Colorado has cut off access to towns, closed the University of Colorado inBoulder and left at least three people dead. (AP Photo/Jason Stillman)

This image provided by Jason Stillman, shows flooding in Lyons Colo., Thursday Sept. 12, 2013.

Boulder County Sheriff Joe Pelle said the town of Lyons was completely cut off because of floodedroads. Flash flooding in Colorado has cut off access to towns, closed the University of Colorado inBoulder and left at least three people dead. (AP Photo/Jason Stillman)

Residents of a neighborhood on the northern side of Boulder, Colo., work to divert floodwaters awayfrom their homes on Thursday, Sept. 12, 2013. Autorities say flooding in the area has washed outroads, left rural communities isolated and is responsible for at least three deaths. (AP Photo/BenNeary)

Residence of an apartment house work to divert flood water from their building in Boulder, Colo., onThursday, Sept. 12, 2013. Flash flooding in Colorado has cut off access to towns, closed theUniversity of Colorado in Boulder and left at least three people dead. (AP Photo/Ed Andrieski)

A man takes a photograph of the overflowing St. Vrain River following overnight flash flooding, onemile east of Lyons, Colo., Thursday, Sept 12, 2013. Flash flooding in Colorado has left at least threepeople reportedly dead and the widespread high waters are keeping search and rescue teams fromreaching stranded residents in Lyons and nearby mountain communities as heavy rains hammerednorthern Colorado. (AP Photo/Brennan Linsley)

A man carries a sandbag through flood waters as residence of an apartment house work to divertflood water from their building in Boulder, Colo., on Thursday, Sept. 12, 2013. Flash flooding inColorado has cut off access to towns, closed the University of Colorado in Boulder and left at leastthree people dead. (AP Photo/Ed Andrieski)

Residence of an apartment house work to divert flood water from their building in Boulder, Colo., onThursday, Sept. 12, 2013. Flash flooding in Colorado has cut off access to towns, closed theUniversity of Colorado in Boulder and left at least three people dead. (AP Photo/Ed Andrieski)

Residents of a neighborhood on the northern side of Boulder, Colo., work to divert floodwaters awayfrom their homes on Thursday, Sept. 12, 2013. Autorities say flooding in the area has washed outroads, left rural communities isolated and is responsible for at least three deaths. (AP Photo/BenNeary)

Map locates towns flooded in Colorado.; 2c x 5 inches; 96.3 mm x 127 mm;

Mountain View Fire Rescue department firefighters Jamie Wood and Steve Knoll walk through a foodof water after doing a welfare check of a flooded property in rural Erie, Colo. on Thursday, Sept. 12,2013. Overnight rains along Colorado's eastern foothills caused flooding in several communities andtwo fatalities. (AP Photo/Peter M. Fredin)

A business is flooded by the overflowing St. Vrain River one mile east of Lyons, Colo., followingovernight flash flooding, Thursday, Sept 12, 2013. Flash flooding in Colorado has left widespreadhigh waters that are keeping search and rescue teams from reaching stranded residents in Lyonsand nearby mountain communities as heavy rains hammered northern Colorado. (AP Photo/BrennanLinsley)

The overflowing St. Vrain River swamps parked semi trucks following overnight flash flooding, onemile east of Lyons, Colo., Thursday, Sept 12, 2013. The widespread high waters are keeping searchand rescue teams from reaching stranded residents in Lyons and nearby mountain communities asheavy rains hammered northern Colorado. (AP Photo/Brennan Linsley)

Paul Snyder wades into a foot of water flooding his property in rural Erie, Colo.on Thursday, Sept.12, 2013. Overnight rains along the Colorado foothills caused flooding in several communities andtwo fatalities. (AP Photo/Peter M. Fredin)

The overflowing St. Vrain River swamps a home following overnight flash flooding, one mile east ofLyons, Colo., Thursday, Sept 12, 2013. The widespread high waters are keeping search and rescueteams from reaching stranded residents in Lyons and nearby mountain communities as heavy rainshammered northern Colorado. (AP Photo/Brennan Linsley)

A man photographs the flooding in the underpass at Boulder Creek and Broadway Street in Boulder,Colo. on Thursday, Sept. 12, 2013. Heavy rains and scarring from recent wildfires sent walls ofwater crashing down mountainsides early Thursday in Colorado, cutting off mountain towns. BoulderCounty was hit hardest, but flooding was reported all along the Front Range, from Colorado Springsto north of Fort Collins. (AP Photo/The Daily Camera, Cliff Grassmick NO SALES

In this image made with a slow shutter speed which blurred the rushing water, flood waters coursethrough a small park in Boulder, Colo., Thursday morning, Sept. 12, 2013. Heavy rains and scarringfrom recent wildfires sent walls of water crashing down mountainsides in the area. (AP Photo/JudValeski)

A business is flooded by the overflowing St. Vrain River one mile east of Lyons, Colo., followingovernight flash flooding, Thursday, Sept 12, 2013. Widespread high waters are keeping search andrescue teams from reaching stranded residents in Lyons and nearby mountain communities as heavyrains hammered northern Colorado. (AP Photo/Brennan Linsley)

Local residents look over a road washed out by a torrent of water following overnight flash floodingnear Left Hand Canyon, south of Lyons, Colo., Thursday, Sept 12, 2013. The widespread high watersare keeping search and rescue teams from reaching stranded residents in Lyons and nearbymountain communities as heavy rains hammered northern Colorado. (AP Photo/Brennan Linsley)

A local resident looks out at a road washed out by a torrent of water following overnight flashflooding near Left Hand Canyon, south of Lyons, Colo., Thursday, Sept 12, 2013. The widespreadhigh waters are keeping search and rescue teams from reaching stranded residents in Lyons andnearby mountain communities as heavy rains hammered northern Colorado. (AP Photo/BrennanLinsley)

Firefighters talk with local residents, who brought them coffee, as they keep watch over a roadwashed out by a torrent of water following overnight flash flooding near Left Hand Canyon, south ofLyons, Colo., Thursday, Sept 12, 2013. The widespread high waters are keeping search and rescueteams from reaching stranded residents in Lyons and nearby mountain communities as heavy rainshammered northern Colorado. (AP Photo/Brennan Linsley)

Local residents stand above a road washed out by a torrent of water following overnight flashflooding near Left Hand Canyon, south of Lyons, Colo., Thursday, Sept 12, 2013. The widespreadhigh waters are keeping search and rescue teams from reaching stranded residents in Lyons andnearby mountain communities as heavy rains hammered northern Colorado. (AP Photo/BrennanLinsley)

Local residents look over a road washed out by a torrent of water following overnight flash floodingnear Left Hand Canyon, south of Lyons, Colo., Thursday, Sept 12, 2013. The widespread high watersare keeping search and rescue teams from reaching stranded residents in Lyons and nearby

mountain communities as heavy rains hammered northern Colorado. (AP Photo/Brennan Linsley)

A fire department vehicle blocks a road washed out by a torrent of water following overnight flashflooding near Left Hand Canyon, south of Lyons, Colo., Thursday, Sept 12, 2013. The widespreadhigh waters are keeping search and rescue teams from reaching stranded residents in Lyons andnearby mountain communities as heavy rains hammered northern Colorado. (AP Photo/BrennanLinsley)

A road is washed out by a torrent of water following overnight flash flooding near Left Hand Canyon,south of Lyons, Colo., Thursday, Sept 12, 2013. Widespread high waters are keeping search andrescue teams from reaching stranded residents in Lyons and nearby mountain communities as heavyrains hammered northern Colorado. (AP Photo/Brennan Linsley)

A torrent of water rushes alongside a swamped house following flash flooding near Left HandCanyon, south of Lyons, Colo., Thursday, Sept 12, 2013. The widespread high waters are keepingsearch and rescue teams from reaching stranded residents in Lyons and nearby mountaincommunities as heavy rains hammered northern Colorado. (AP Photo/Brennan Linsley)

Firefighters keep watch over a road washed out by a torrent of water following overnight flashflooding near Left Hand Canyon, south of Lyons, Colo., Thursday, Sept 12, 2013. Widespread highwaters are keeping search and rescue teams from reaching stranded residents in Lyons and nearbymountain communities as heavy rains hammered northern Colorado. (AP Photo/Brennan Linsley)

Rescue workers and vehicles stand parked waiting for roads to become passable following overnightflash flooding in Boulder, Colo., Thursday, Sept 12, 2013. Heavy rains and scarring from recentwildfires sent walls of water crashing down mountainsides early Thursday in Colorado, cutting offmountain towns. Boulder County was hit hardest, but flooding was reported all along the FrontRange, from Colorado Springs to north of Fort Collins.(AP Photo/Brennan Linsley)

Jason Ortiz with Namaste Solar , carriers debris frombehind the business as his coworkers clean up after theflood in North Boulder, Colo., on Thursday, Sept. 12,2013. Heavy rains and scarring from recent wildfiressent walls of water crashing down mountainsides earlyThursday in Colorado, cutting off mountain towns.Boulder County was hit hardest, but flooding wasreported all along the Front Range, from ColoradoSprings to north of Fort Collins. (AP Photo/The DailyCamera, Paul Aiken) NO SALES

Trent Fallica of the City of Boulder Traffic SignalDepartment, checks on an electrical box next to a ragingcreek during the flood in North Boulder, Colo., onThursday, Sept. 12, 2013. Heavy rains and scarring fromrecent wildfires sent walls of water crashing downmountainsides early Thursday in Colorado, cutting off mountain towns. Boulder County was hithardest, but flooding was reported all along the Front Range, from Colorado Springs to north of FortCollins. (AP Photo/The Daily Camera, Paul Aiken) NO SALES

From left, Josh Taylor, Jason Ortiz and Bryan Ferenz with Namaste Solar, removes debris frombehind the business after the flood in North Boulder, Colo., on Thursday, Sept. 12, 2013. Heavy rainsand scarring from recent wildfires sent walls of water crashing down mountainsides early Thursdayin Colorado, cutting off mountain towns. Boulder County was hit hardest, but flooding was reportedall along the Front Range, from Colorado Springs to north of Fort Collins. (AP Photo/The DailyCamera, Paul Aiken) NO SALES

David Platco looks over a flooded and damage storage facility in North Boulder, Colo., on Thursday,Sept. 12, 2013. Heavy rains and scarring from recent wildfires sent walls of water crashing downmountainsides early Thursday in Colorado, cutting off mountain towns. Boulder County was hithardest, but flooding was reported all along the Front Range, from Colorado Springs to north of FortCollins. (AP Photo/The Daily Camera, Paul Aiken) NO SALES

Map locates Boulder, Colorado flash flooding; 1c x 2 1/2 inches; 46.5 mm x 63 mm;

A car drives on a flooded road following overnight flash flooding in downtown Boulder, Colo.,Thursday, Sept 12, 2013. The widespread high waters are keeping search and rescue teams fromreaching stranded residents and motorists in Boulder and nearby mountain communities as heavyrains hammered northern Colorado. (AP Photo/Brennan Linsley)

A police officer allows a special dive rescue team to pass on a closed road following overnight flashflooding in downtown Boulder, Colo., Thursday, Sept 12, 2013. The widespread high waters arekeeping search and rescue teams from reaching stranded residents and motorists in Boulder andnearby mountain communities as heavy rains hammered northern Colorado. (AP Photo/BrennanLinsley)

High water levels flow down Boulder Creek following overnight flash flooding in downtown Boulder,Colo., Thursday, Sept 12, 2013. The widespread high waters are keeping search and rescue teamsfrom reaching stranded residents and motorists in Boulder and nearby mountain communities asheavy rains hammered northern Colorado. (AP Photo/Brennan Linsley)

A man views dangerously high Boulder Creek following overnight flash flooding in downtownBoulder, Colo., Thursday, Sept 12, 2013. The flash flooding has left at least two people dead and thewidespread high waters are keeping search and rescue teams from reaching stranded residents andmotorists in Boulder and nearby mountain communities as heavy rains hammered northernColorado. (AP Photo/Brennan Linsley)

Local residents view dangerously high Boulder Creek following overnight flash flooding in downtownBoulder, Colo., Thursday, Sept 12, 2013. Flash flooding in Colorado has left two people dead and thewidespread high waters are keeping search and rescue teams from reaching stranded residents andmotorists in Boulder and nearby mountain communities as heavy rains hammered northernColorado. (AP Photo/Brennan Linsley)

A woman views dangerously high Boulder Creek following overnight flash flooding in downtownBoulder, Colo., Thursday, Sept 12, 2013. Flash flooding in Colorado has left two people dead and thewidespread high waters are keeping search and rescue teams from reaching stranded residents andmotorists in Boulder and nearby mountain communities as heavy rains hammered northernColorado. (AP Photo/Brennan Linsley)

A man walks past dangerously high Boulder Creek following overnight flash flooding in downtownBoulder, Colo., Thursday, Sept 12, 2013. Flash flooding in Colorado has left two people dead and thewidespread high waters are keeping search and rescue teams from reaching stranded residents andmotorists in Boulder and nearby mountain communities as heavy rains hammered northernColorado. (AP Photo/Brennan Linsley)

A city worker talks on his phone while surveying high water levels on Boulder Creek followingovernight flash flooding in downtown Boulder, Colo., Thursday, Sept 12, 2013. Flash flooding inColorado has left two people dead and the widespread high waters are keeping search and rescueteams from reaching stranded residents and motorists in Boulder and nearby mountain communitiesas heavy rains hammered northern Colorado. (AP Photo/Brennan Linsley)

In this still frame made from ABC 7NEWS video on Thursday, Sept. 12, 2013, people walk throughfloodwaters from a creek in Boulder, Colo. Flash flooding in Colorado has left two people dead andthe widespread high waters are keeping search and rescue teams from reaching stranded residentsand motorists in Boulder and nearby mountain communities as heavy rains hammered northernColorado. (AP Photo/ABC 7NEWS) MANDATORY CREDIT

Waters still rushing as Boulder Creek rises under the Boulder Public Library overpass. Boulder andCU authorities have been sending out constant warning and updates for the past few hours. (GrayBender/CU Independent)

CU student Peter Hassinger looks up flood updates and takes a video at the Arapahoe Ave.underpass. (Gray Bender/CU Independent)

The flooded basement of Reed Hall. (Nigel Amstock/CU Independent)

A truck floats a top a layer of water in Reed Hall. (Nigel Amstock/CU Independent)

Reed Hall residents assess the flood in Reed 005. (Nigel Amstock/CU Independent)

Sophomore mechanical engineering major Tyler Joy, left, bails water out of his dorm in Reed Hall.(Nigel Amstock/CU Independent)

Students set up a giant Slip 'N Slide on Farrand Field Wednesday night. (Amy Leder/CUIndependent)

Water flows from the bridge between the Engineering Center and 28th Street on the east side ofcampus Wednesday night. (Amy Leder/CU Independent)