!! Participating Community

_̂ USGS Stream Gauge

Stream

Major Road

City Boundary

County Boundary

Watershed Boundary

Federal Land

Conservation Area

!! LOMA

GF Mitigation Grant

GF Acquisition

GF Public Assistance Grant

#* Claim

!(#* B/C/X Claim

Levee

LiDAR Capture Area

CNMS Mapping Needs

Hazus Avg Annualized Loss

Low

High

GF Desired Mitigation

Detailed - Zone AE/AO

Approximate - Zone A

Redelineation - Zone AE

Leverage Study - Zone AE

Effective Flood Zone Data

A

AE/AO/AH

X500

Canyon Co Preliminary Flood Zone Data*

A

AE/AO/AH

X500

GemCounty

BoiseCounty

Payette

County

ElmoreCounty

Canyon

CountyAda

County

IdahoOregon

GF

GF

GF

GF

£¤26

£¤95

£¤20

£¤20

£¤26

£¤20 £¤26

£¤30

§̈¦84

¬«55£¤30

¬«55

§̈¦184

£¤30£¤26

£¤20

§̈¦84

£¤30

£¤26

¬«21

¬«18

¬«19

¬«44

¬«44

¬«55

¬«69

¬«55

¬«16

¬«21

¬«45

§̈¦84

§̈¦84

§̈¦84

£¤26

£¤20

§̈¦84

£¤95

£¤30

£¤20

£¤30

Warm Springs Creek

Golden Gate Canal

Owyhee

Ditch

D

rew D

rain

Parma Drain

Farmers Cooperative Sebree Canal

Schill

er Cre

ek

West Lateral

Dry Creek

Waldvogel Can

al

Alkali Creek

Farr Lateral

Miller Lateral

Deer Flat Low Line

Canal

Black

s Creek

Ben

nett

La

tera

l

Shee

p C

reek

Sla

ter

Cre

ek

Deer Flat High Line Canal

McFarland Creek

Shingle Creek

Mora Canal Extension

Fivemile Creek

Upper

Em

ban

km

ent

Drain

Custer Creek

Thurman Mill C

anal

Bryans Run

Deer F

lat North

Canal

Spring Valley Creek

Indian Creek

Alk

ali Drain

Calkins Lateral

Sand Hollow

Creek

Crane Creek

Ku

na

Canal

East

Madd

en

La

tera

l

Farmers Union Canal

Sa

nd

Creek

Mora Canal

Eightmile Creek

Mason Creek

New York Canal

Tenmile Creek

Wilson Drain

Freestone Creek

Currant Creek

Isaiah D

rain

A D

rain Zinger Lateral

North Indian Creek

Ridenbaugh Canal

Dre

w L

ate

ral

C-L

ine

Ca

na

l W

est

Mora Canal

Mason Slough

Canyon Hill Lateral

Solomon

Drain

Elijah Drain

New York Canal

Dixie Slough

Benton Lateral

North Slough

Big Gulch

Cre

ek

Rawson Canal

Little

Gulch Creek

North Drain

Willow Cre

ek

Peters Lateral

South Fork

Daniels Cre

ek

Squaw Creek

Settlers Canal

Co

w C

reek

Middleton Mill Ditch

Eureka Canal Lawrence Kennedy Canal

Indian Creek

Caldwell High Line Canal

Mason Creek Feeder

Goose Creek

North Fork Willow Creek

South Drain

Thacker Lateral

Lower Embankment Drain

Phyllis Canal

Ridenbaugh Canal

Notus Canal

Dixie

Dra

in

South Slough

Ross East End Drain

South Fork Willow Creek

Picket Pin Creek

Riverside Canal

Middle Lateral

C-Line Canal East

West End Drain

West Fork Slater Creek

South Nampa Lateral

Farmers Cooperative Sebree Canal Exten

sion

Daniels Creek

Indian Creek

Middleton Canal

Noble D

rain

Cottonwood Creek

D-Line Canal

Phyllis Canal

Caldwell Canal F

eeder

No

rth

For

k D

aniel

s Creek

Barth

La

teral

A

aron D

rain

Forest C

anal

East Fork

Slater Creek

Su

per

La

tera

l

Gem County

MalheurCounty

Boise County

Payette

County

ElmoreCounty

Canyon County

Ada County

Owyhee

County

MayfieldOwyhee

Bowmont

Barber

Huston

Greenleaf

Wilder

Pearl

Kuna

Nampa

Meridian Boise

GardenCity

Caldwell

StarEagle

Notus

Parma

TenmileCreek

Culvert

North LakeLowell

Culverts

FivemileCulvert

EagleIsland Split

Cottonwood Creek -Alluvial

Fan

LowerConwayGulch

Fifteenmile Creek

SquawCreek - Alluvial Fan

Crane Creek -Alluvial Fan

MillSlough

Lower WillowCreek

Stewart Gulch -Alluvial

Fan

BoiseRiver -Lower

WestC-LineCanal

IndianCreek -Kuna

StewartGulch

CraneCreek

Unnamed Tributary 1

LowerFivemile

Creek

UpperIndianCreek

EastHartleyGulch

TenmileCreek

LowerIndianCreek

Lower DryCreek

BoiseRiver

- Middle

LowerC-LineCanal

UpperConwayGulch

UpperC-LineCanal

Upper DryCreek

Big GulchCreek

UpperWillowCreek

IndianCreek - Nampa

MasonCreek

BoiseRiver - USACE

Boise River- Upper

UpperFivemile

Creek

U 0 5 102.5

Miles

Lower Boise Watershed, Idaho

Final Discovery Map

Middleton

Unnamed Tributaries 1, 2, and 3

LOWELL LAKE

NinemileCreek

*Preliminary flooding data shown for Canyon County was Effective 5/24/2011.

Hulls - Alluvial Fan