Pine and Mill Creek E. coli Stakeholder Meeting
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Pine and Mill Creek Pine and Mill Creek E. coli E. coli Stakeholder Meeting Stakeholder Meeting Michigan Department of Environmental Quality, Water Bureau May 29, 2007
description
Pine and Mill Creek E. coli Stakeholder Meeting. Michigan Department of Environmental Quality, Water Bureau May 29, 2007. Meeting Objectives:. Introductions E. coli 101 Michigan’s Water Quality Standard 2005 E. coli sampling data review - PowerPoint PPT Presentation
Transcript of Pine and Mill Creek E. coli Stakeholder Meeting
Pine and Mill Creek Pine and Mill Creek E. coliE. coli Stakeholder MeetingStakeholder Meeting
Michigan Department of Environmental Quality, Water BureauMay 29, 2007
Meeting Objectives:Meeting Objectives: IntroductionsIntroductions
E. coliE. coli 101 101 Michigan’s Water Quality StandardMichigan’s Water Quality Standard
2005 2005 E. coliE. coli sampling data review sampling data review
Section 303(d) impaired listing for Pine and Mill Section 303(d) impaired listing for Pine and Mill CreeksCreeks TMDL development scheduleTMDL development schedule
Proposed DEQ sampling plan for Pine and Mill CreeksProposed DEQ sampling plan for Pine and Mill Creeks
What is What is E. coliE. coli??
The Basics…The Basics… Escherichia coli Escherichia coli is a sub-is a sub-
set of fecal coliforms set of fecal coliforms whose presence whose presence indicates fecal indicates fecal contamination.contamination.
It is associated with the It is associated with the fecal material of warm-fecal material of warm-blooded animals and is blooded animals and is an indicator organism an indicator organism used to predict the used to predict the presence of other presence of other harmful microorganisms.harmful microorganisms.
What are the impacts What are the impacts associated with associated with E. coliE. coli??
E. coliE. coli and associated microorganisms when and associated microorganisms when taken into the body can cause severe sickness.taken into the body can cause severe sickness.
Bacterial infections - Cholera, salmonellosisBacterial infections - Cholera, salmonellosis Viral infections - hepatitits, gastoenteritisViral infections - hepatitits, gastoenteritis Protozoa infections – cryptosporidiosis, giardiasis Protozoa infections – cryptosporidiosis, giardiasis
Once these pathogens are in a stream or lake, Once these pathogens are in a stream or lake, they can infect humans through ingestion, skin they can infect humans through ingestion, skin contact or contaminated fish.contact or contaminated fish.
How much is too much?How much is too much?
Michigan’s WQS for total body contact for Michigan’s WQS for total body contact for E. E. colicoli is is 130130 E. coliE. coli per 100 ml (as a 30-day per 100 ml (as a 30-day geometric mean) or geometric mean) or 300300 E. coliE. coli per 100 ml per 100 ml (during the same sampling event)(during the same sampling event)
Total body contact recreation May 1 to Total body contact recreation May 1 to October 31October 31
Risk based numberRisk based number
What are the sources of What are the sources of EE. . colicoli??
Two major ones: Point and non-Two major ones: Point and non-point sources.point sources.
Point sources directly discharge to Point sources directly discharge to a waterbody via a pipe (WWTP or a waterbody via a pipe (WWTP or CSO).CSO).
Non-point sources:Non-point sources:illicit connectionsillicit connections
•Run-off
•Agricultural inputs
2005 Monitoring – Pine 2005 Monitoring – Pine CreekCreek
Sampled 5 locations weekly from July – Sampled 5 locations weekly from July – SeptemberSeptember
12 weeks of data12 weeks of data
Figure 1. Pine Creek E. coli sampling locations, vicinity of Hartford, Michigan, 2005.
N
Watervliet
Hartford
VAN
BU
REN
CO
BER
RIE
N C
O
County Rd 372
56th Ave
Hagar Shore Rd
Dwight Boyer Rd
67 ½
St
66th
St
63rd
St
68th Ave
66th Ave
74th Ave
67th
St
County Rd 362
Cou
nty
Rd
687
62nd
St
60th
St
68th
St
77th Ave
76th Ave
Dan Smith Rd
11
1
2
3
4
55
Data SummaryData Summary
Pine CreekPine Creek With exception of one day, With exception of one day, E. coliE. coli concentrations concentrations
exceeded daily maximum and 30-geometric mean 100% exceeded daily maximum and 30-geometric mean 100% of the time of the time
Daily maximums ranged from 290 Daily maximums ranged from 290 E. coliE. coli per 100 ml at per 100 ml at 6464thth St. to > 3 million St. to > 3 million E. coliE. coli per 100 ml at Red Arrow Hwy. per 100 ml at Red Arrow Hwy.
30-day geometric mean 30-day geometric mean E. coliE. coli concentrations ranged concentrations ranged from 386 from 386 E. coliE. coli per 100 ml at 64 per 100 ml at 64thth St. to >6,000 St. to >6,000 E. coliE. coli per 100 ml at Red Arrow Hwy.per 100 ml at Red Arrow Hwy.
0
1000
2000
3000
4000
5000
6000
7000
8000
9000
10000
7/7/2005 7/14/2005 7/21/2005 7/28/2005 8/4/2005 8/11/2005 8/18/2005 8/25/2005 9/1/2005 9/8/2005 9/14/2005 9/16/2005
Pine Cr. @ 72nd Pine Cr. @ 64th Pine Cr. @ Private Rd. Pine Cr. @ 66th Pine Cr. @ Red Arrow WQS
E. c
oli/1
00 m
l
Figure 2. Daily maximum E. coli in Pine Creek, Van Buren County, Michigan, 2005.
0
1000
2000
3000
4000
5000
6000
7000
8/4/2005 8/11/2005 8/18/2005 8/25/2005 9/1/2005 9/8/2005 9/14/2005 9/16/2005
Pine Cr. @ 72nd Pine Cr. @ 64th Pine Cr. @ Private Rd. Pine Cr. @ 66th Pine Cr. @ Red Arrow WQS
E. c
oli/1
00 m
l
Figure 3. 30-day Geometric mean E. coli Pine Creek, Van Buren County, Michigan, 2005.
Figure 4. Mill Creek E. coli sampling locations, vicinity of Watervliet, Michigan, 2005.
N
Watervliet
Hartford
VAN
BU
REN
CO
BER
RIE
N C
O
Paw Paw
River
Mill
Creek
I-94
Red Arrow Hwy
Dan Smith Rd 68th Ave
John
Gof
f Rd
Carmody Rd
Angling Rd
67 ½
St
66th
St
Cou
nty
Rd
687
County Rd 362
Wat
ervl
iet R
dDanneffel Rd
Hill Rd
N Branch Rd
Bai
nbrid
ge C
ente
r Rd
Territorial Rd
80th Ave
76th Ave
67th
St
84th Ave
68th
St
77th Ave
6
78
Data SummaryData Summary
Mill CreekMill Creek E. coliE. coli concentrations exceeded the daily maximum and concentrations exceeded the daily maximum and
30-geometric means 100% of the time30-geometric means 100% of the time
Daily maximums ranged from 576 Daily maximums ranged from 576 E. coliE. coli per 100 ml at per 100 ml at Hill Rd. to > 17,000 Hill Rd. to > 17,000 E. coliE. coli per 100 ml at 67 per 100 ml at 67thth Ave. Ave.
30-day geometric mean 30-day geometric mean E. coliE. coli concentrations ranged concentrations ranged from 845 from 845 E. coliE. coli per 100 ml at Hill Rd. to 4,480 per 100 ml at Hill Rd. to 4,480 E. coliE. coli per 100 ml at 77per 100 ml at 77thth Ave.. Ave..
Figure 5. Daily Maximum E. coli in Mill Creek, Van Buren/Berrien Counties, Michigan, 2005.
E. c
oli/1
00 m
l
0
2000
4000
6000
8000
10000
12000
14000
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18000
20000
7/7/2005 7/14/2005 7/21/2005 7/28/2005 8/4/2005 8/11/2005 8/18/2005 8/25/2005 9/1/2005 9/8/2005 9/14/2005 9/16/2005
Mill Cr. @ 77th Mill Cr. @ 67th Mill Cr. @ Hill WQS
Figure 6. 30-day Geometric mean E. coli in Mill Creek, Van Buren/Berrien Counties, Michigan, 2005.
E. c
oli/1
00 m
l
0
500
1000
1500
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2500
3000
3500
4000
4500
5000
8/4/2005 8/11/2005 8/18/2005 8/25/2005 9/1/2005 9/8/2005 9/14/2005 9/16/2005
Mill Cr. @ 77th Mill Cr. @ 67th Mill Cr. @ Hill WQS
Section 303(d) listingSection 303(d) listing DEQ determined there was enough data DEQ determined there was enough data
to justify listing both water bodies as to justify listing both water bodies as impaired for total body contactimpaired for total body contact Requires the development of a Total Requires the development of a Total
Maximum Daily LoadMaximum Daily Load
TMDL currently scheduled for TMDL currently scheduled for development in 2008 development in 2008 Schedule may be adjusted due to budget Schedule may be adjusted due to budget
situationsituation
What is a Total Maximum Daily What is a Total Maximum Daily Load (TMDL)?Load (TMDL)?
Section 303(d) of the Section 303(d) of the Clean Water Act requires Clean Water Act requires development of TMDLs for development of TMDLs for waterbodies that are not waterbodies that are not meeting designated uses.meeting designated uses.
TMDLs can cover variety TMDLs can cover variety of pollutants.of pollutants.
How will the TMDL process How will the TMDL process work?work?
The TMDL establishes allowable The TMDL establishes allowable loading of pollutants to meet loading of pollutants to meet WQS based on pollution sources WQS based on pollution sources and in-stream conditions.and in-stream conditions.
The process allows the DEQ to The process allows the DEQ to establish controls to reduce establish controls to reduce pollution and restore the quality pollution and restore the quality of the resource.of the resource.
Proposed DEQ study Proposed DEQ study Extensive field reconnaissance of watershedsExtensive field reconnaissance of watersheds
Recognized multiple sources of Recognized multiple sources of E. coliE. coli Use field information to aid in sampling location IDUse field information to aid in sampling location ID
E. coliE. coli sampling sampling ambient (routine) monitoringambient (routine) monitoring wet weather wet weather TMDL TMDL
Bacterial source tracking samplingBacterial source tracking sampling collecting continuous flow datacollecting continuous flow data
Status of the StudyStatus of the Study On hold due to State budget On hold due to State budget
problemsproblems
Study design may change depending Study design may change depending on financial resources availableon financial resources available
MDEQ InformationMDEQ Information
District contact: District contact: Scott Miller Scott Miller 269.567.3510 or 269.567.3510 or
[email protected]@michigan.govv
TMDL contact: TMDL contact: Christine AlexanderChristine Alexander 517.373.6794 or 517.373.6794 or
[email protected]@michigan.govv
