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Site-specific Targeted Monitoring Summary Results

Michigan (2006)

	Size of Water
	Rivers and Streams (Miles)	Lakes, Reservoirs, and Ponds (Acres)	Wetlands (Acres)	Great Lakes Shoreline (Miles)	Great Lakes Open Water (Square Miles)	Great Lakes Connecting Channel (Miles)	Inland Lake Shoreline (Miles)
Good Waters	21,244.3	264,308.0	10.0	70.1	1,052.0	99.0	28.6
Previously impaired waters       now attaining all uses	2,301.5	27.0		1.4			.2
Threatened Waters
TMDL completed
TMDL alternative
Non-pollutant impairment
TMDL needed
Impaired Waters	25,204.7	298,547.0	701.0	87.9	41,608.0	316.0	1.3
TMDL completed	704.9	3,494.0		3.0			.1
TMDL alternative	344.5	3,382.0		80.0
Non-pollutant impairment	2,888.2
TMDL needed	21,267.1	291,671.0	701.0	4.9	41,608.0	316.0	1.2
New TMDLs completed	145.6	.0	.0	1.0	.0	.0	.1
Remaining TMDLs needed	21,121.5	291,671.0	701.0	3.9	41,608.0	316.0	1.1
Total Assessed Waters	46,449.0	562,855.0	711.0	158.0	42,660.0	415.0	29.9
Total Waters	49,136.0	889,600.0	6,239,763.0	3,250.0	Unavailable	Unavailable	Unavailable
Percent of Waters Assessed	94.5	63.3	.0	4.9	Unavailable	Unavailable	Unavailable

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Summary of Water Quality Assessments for Each Waterbody Type
for Reporting Year 2006

Site-specific Targeted Monitoring Results

Michigan Rivers and Streams 2006

Description of this table Assessed Status Miles Assessed 46,449.0 Unassessed 2,687.0 Total Miles 49,136.0

Description of this table Attainment Status Miles Good 21,244.3 Threatened .0 Impaired 25,204.7 Total Miles Assessed 46,449.0

Description of this table TMDL Development Status Miles All TMDLs completed 850.5 TMDL alternative 344.5 Non-pollutant impairment 2,888.2 TMDL needed 21,121.5 Total Threatened and Impaired 25,204.7

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Michigan Rivers and Streams 2006

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Designated Use	Miles Assessed	Percent Good	Percent Threatened	Percent Impaired	% Good
					% Threatened
					% Impaired
Agriculture	46,449.0	100.0	.0	.0
Cold Water Fishery	1,221.5	91.6	.0	8.4
Fish Consumption	22,708.6	7.6	.0	92.4
Industrial Water Supply	46,449.0	100.0	.0	.0
Navigation	46,449.0	100.0	.0	.0
Other Indigenous Aquatic Life	22,410.0	80.2	.0	19.8
Partial Body Contact Recreation	19.0	.0	.0	100.0
Public Water Supply	16.0	.0	.0	100.0
Total Body Contact Recreation	1,426.3	63.3	.0	36.7
Warm Water Fishery	1,909.5	64.7	.0	35.3

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Site-specific Targeted Monitoring Results

Causes of Impairment
Michigan Rivers and Streams 2006

Cause of Impairment	Cause of Impairment Group	Miles Threatened or Impaired
Polychlorinated Biphenyls (PCBs)	Polychlorinated Biphenyls (PCBs)	18,253.0
Other Flow Regime Alterations	Flow Alteration(s)	3,059.2
Other Anthropogenic Substrate Alterations	Habitat Alterations	2,991.3
PCB(s) in Fish Tissue	Polychlorinated Biphenyls (PCBs)	2,443.0
Dioxin (Including 2,3,7,8-TCDD)	Dioxins	901.0
Mercury in Fish Tissue	Mercury	727.5
Escherichia Coli (E. Coli)	Pathogens	524.0
Sedimentation/Siltation	Sediment	441.5
Dissolved Oxygen	Organic Enrichment/Oxygen Depletion	323.7
Mercury in Water Column	Mercury	211.3
Phosphorus, Total	Nutrients	200.1
Organic Enrichment (Sewage) Biological Indicators	Organic Enrichment/Oxygen Depletion	38.4
DDT	Pesticides	36.0
Polybrominated Biphenyls	Toxic Organics	36.0
Copper	Metals (other than Mercury)	22.8
Temperature, Water	Temperature	20.6
Oil and Grease	Oil and Grease	17.1
Nitrogen, Total	Nutrients	16.0
Ammonia, Un-ionized	Ammonia	14.7
Total Dissolved Solids (TDS)	Salinity/Total Dissolved Solids/Chlorides/Sulfates	13.5
Chromium, Total	Metals (other than Mercury)	6.5
Aquatic Plants - Native	Nuisance Native Species	6.0
Chlordane	Pesticides	6.0
Alterations in Wetland Habitats	Habitat Alterations	5.6
Bacterial Slimes	Pathogens	5.0
Lead	Metals (other than Mercury)	3.5
Ammonia, Total	Ammonia	3.0
Phosphorus, Elemental	Nutrients	2.5
Lindane	Pesticides	1.0
Aldrin	Pesticides	1.0
Simazine	Pesticides	.5
Terbacil	Pesticides	.5
Other Cause	Other Cause	.5

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Site-specific Targeted Monitoring Results

Probable Sources
Michigan Rivers and Streams 2006

Probable Source	Probable Source Group	Miles Threatened or Impaired
Atmospheric Deposition - Toxics	Atmospheric Deposition	20,934.5
Industrial Point Source Discharge	Industrial	11,960.0
Contaminated Sediments	Legacy/Historical Pollutants	9,959.1
Municipal Point Source Discharges	Municipal Discharges/Sewage	9,339.8
Channelization	Hydromodification	3,116.6
Unspecified Urban Stormwater	Urban-Related Runoff/Stormwater	535.7
Non-Point Source	Unspecified Nonpoint Source	488.0
Agriculture	Agriculture	450.5
Combined Sewer Overflows	Municipal Discharges/Sewage	311.8
Source Unknown	Unknown	295.0
Non-Irrigated Crop Production	Agriculture	127.8
Streambank Modifications/Destablization	Hydromodification	100.7
Livestock (Grazing Or Feeding Operations)	Agriculture	97.3
Habitat Modification - Other Than Hydromodification	Habitat Alterations (Not Directly Related To Hydromodification)	68.0
Animal Feeding Operations (Nps)	Agriculture	64.7
Sewage Discharges In Unsewered Areas	Municipal Discharges/Sewage	50.5
Highways, Roads, Bridges, Infrasturcture (New Construction)	Construction	45.0
Loss Of Riparian Habitat	Habitat Alterations (Not Directly Related To Hydromodification)	34.3
Illicit Connections/Hook-Ups To Storm Sewers	Municipal Discharges/Sewage	29.5
Post-Development Erosion And Sedimentation	Hydromodification	21.0
Mine Tailings	Resource Extraction	18.6
Irrigated Crop Production	Agriculture	17.7
Subsurface (Hardrock) Minining	Resource Extraction	10.5
Surface Mining	Resource Extraction	9.6
Mill Tailings	Industrial	9.5
Impacts From Land Application Of Wastes	Land Application/Waste Sites/Tanks	9.0
Site Clearance (Land Development Or Redevelopment)	Construction	9.0
Above Ground Storage Tank Leaks (Tank Farms)	Spills/Dumping	9.0
Sanitary Sewer Overflows (Collection System Failures)	Municipal Discharges/Sewage	8.0
On-Site Treatment Systems (Septic Systems And Similar Decencentralized Systems)	Municipal Discharges/Sewage	8.0
Landfills	Land Application/Waste Sites/Tanks	8.0
Dam Construction (Other Than Upstream Flood Control Projects)	Hydromodification	6.0
Leaking Underground Storage Tanks	Land Application/Waste Sites/Tanks	4.6
Petroleum/Natural Gas Production Activities (Permitted)	Industrial	4.6
Contaminated Groundwater	Groundwater Loadings/Withdrawals	4.0
Golf Courses	Recreation And Tourism (Non-Boating)	3.8
Sediment Resuspension (Clean Sediment)	Hydromodification	3.0
Permitted Runoff From Confined Animal Feeding Operations (Cafos)	Agriculture	2.5
Highway/Road/Bridge Runoff (Non-Construction Related)	Urban-Related Runoff/Stormwater	2.0
Natural Sources	Natural/Wildlife	.7

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Site-specific Targeted Monitoring Results

Michigan Lakes, Reservoirs, and Ponds 2006

Description of this table Assessed Status Acres Assessed 562,855.0 Unassessed 326,745.0 Total Acres 889,600.0

Description of this table Attainment Status Acres Good 264,308.0 Threatened .0 Impaired 298,547.0 Total Acres Assessed 562,855.0

Description of this table TMDL Development Status Acres All TMDLs completed 3,494.0 TMDL alternative 3,382.0 Non-pollutant impairment .0 TMDL needed 291,671.0 Total Threatened and Impaired 298,547.0

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Michigan Lakes, Reservoirs, and Ponds 2006

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Designated Use	Acres Assessed	Percent Good	Percent Threatened	Percent Impaired	% Good
					% Threatened
					% Impaired
Agriculture	562,855.0	100.0	.0	.0
Fish Consumption	286,552.0	.0	.0	100.0
Industrial Water Supply	562,855.0	100.0	.0	.0
Navigation	562,855.0	100.0	.0	.0
Other Indigenous Aquatic Life	56,536.0	80.7	.0	19.3
Total Body Contact Recreation	1,090.0	.0	.0	100.0
Warm Water Fishery	830.0	.0	.0	100.0

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Site-specific Targeted Monitoring Results

Causes of Impairment
Michigan Lakes, Reservoirs, and Ponds 2006

Cause of Impairment	Cause of Impairment Group	Acres Threatened or Impaired
Mercury in Fish Tissue	Mercury	215,108.0
PCB(s) in Fish Tissue	Polychlorinated Biphenyls (PCBs)	142,994.0
Chlordane	Pesticides	38,056.0
Dioxin (Including 2,3,7,8-TCDD)	Dioxins	18,770.0
Phosphorus, Total	Nutrients	7,746.0
Copper	Metals (other than Mercury)	3,159.0
Escherichia Coli (E. Coli)	Pathogens	1,090.0
Nutrient/Eutrophication Biological Indicators	Nutrients	954.0
Zinc	Metals (other than Mercury)	500.0
Taste and Odor	Taste, Color and Odor	500.0
Polycyclic Aromatic Hydrocarbons (PAHs) (Aquatic Ecosystems)	Toxic Organics	500.0
Excess Algal Growth	Algal Growth	415.0
Polybrominated Biphenyls	Toxic Organics	123.0
DDT	Pesticides	123.0
Organic Enrichment (Sewage) Biological Indicators	Organic Enrichment/Oxygen Depletion	27.0

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Site-specific Targeted Monitoring Results

Probable Sources
Michigan Lakes, Reservoirs, and Ponds 2006

Probable Source	Probable Source Group	Acres Threatened or Impaired
Atmospheric Deposition - Toxics	Atmospheric Deposition	278,665.0
Source Unknown	Unknown	20,090.0
Contaminated Sediments	Legacy/Historical Pollutants	13,454.0
Municipal Point Source Discharges	Municipal Discharges/Sewage	9,748.0
Industrial Point Source Discharge	Industrial	6,494.0
Non-Point Source	Unspecified Nonpoint Source	4,410.0
Agriculture	Agriculture	3,990.0
Mine Tailings	Resource Extraction	2,659.0
Mill Tailings	Industrial	2,659.0
Above Ground Storage Tank Leaks (Tank Farms)	Spills/Dumping	1,320.0
Unspecified Urban Stormwater	Urban-Related Runoff/Stormwater	1,265.0
Combined Sewer Overflows	Municipal Discharges/Sewage	930.0
Sewage Discharges In Unsewered Areas	Municipal Discharges/Sewage	160.0
Internal Nutrient Recycling	Natural/Wildlife	158.0
Animal Feeding Operations (Nps)	Agriculture	27.0
Site Clearance (Land Development Or Redevelopment)	Construction	2.0

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Site-specific Targeted Monitoring Results

Michigan Wetlands 2006

Description of this table Assessed Status Acres Assessed 711.0 Unassessed 6,239,052.0 Total Acres 6,239,763.0

Description of this table Attainment Status Acres Good 10.0 Threatened .0 Impaired 701.0 Total Acres Assessed 711.0

Description of this table TMDL Development Status Acres All TMDLs completed .0 TMDL alternative .0 Non-pollutant impairment .0 TMDL needed 701.0 Total Threatened and Impaired 701.0

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Michigan Wetlands 2006

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Designated Use	Acres Assessed	Percent Good	Percent Threatened	Percent Impaired	% Good
					% Threatened
					% Impaired
Fish Consumption	711.0	1.4	.0	98.6
Other Indigenous Aquatic Life	711.0	100.0	.0	.0

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Site-specific Targeted Monitoring Results

Causes of Impairment
Michigan Wetlands 2006

Cause of Impairment	Cause of Impairment Group	Acres Threatened or Impaired
PCB(s) in Fish Tissue	Polychlorinated Biphenyls (PCBs)	701.0

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Site-specific Targeted Monitoring Results

Probable Sources
Michigan Wetlands 2006

Probable Source	Probable Source Group	Acres Threatened or Impaired
Industrial Point Source Discharge	Industrial	701.0
Atmospheric Deposition - Toxics	Atmospheric Deposition	21.0

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Site-specific Targeted Monitoring Results

Michigan Great Lakes Shoreline 2006

Description of this table Assessed Status Miles Assessed 158.0 Unassessed 3,092.0 Total Miles 3,250.0

Description of this table Attainment Status Miles Good 70.1 Threatened .0 Impaired 87.9 Total Miles Assessed 158.0

Description of this table TMDL Development Status Miles All TMDLs completed 4.0 TMDL alternative 80.0 Non-pollutant impairment .0 TMDL needed 3.9 Total Threatened and Impaired 87.9

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Michigan Great Lakes Shoreline 2006

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Designated Use	Miles Assessed	Percent Good	Percent Threatened	Percent Impaired	% Good
					% Threatened
					% Impaired
Agriculture	158.0	100.0	.0	.0
Industrial Water Supply	158.0	100.0	.0	.0
Navigation	158.0	100.0	.0	.0
Other Indigenous Aquatic Life	2.5	100.0	.0	.0
Partial Body Contact Recreation	4.7	.0	.0	100.0
Public Water Supply	80.0	.0	.0	100.0
Total Body Contact Recreation	64.3	87.7	.0	12.3

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Site-specific Targeted Monitoring Results

Causes of Impairment
Michigan Great Lakes Shoreline 2006

Cause of Impairment	Cause of Impairment Group	Miles Threatened or Impaired
Taste and Odor	Taste, Color and Odor	80.0
Escherichia Coli (E. Coli)	Pathogens	7.9

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Site-specific Targeted Monitoring Results

Probable Sources
Michigan Great Lakes Shoreline 2006

Probable Source	Probable Source Group	Miles Threatened or Impaired
Agriculture	Agriculture	80.0
Municipal Point Source Discharges	Municipal Discharges/Sewage	80.0
Industrial Point Source Discharge	Industrial	80.0
Combined Sewer Overflows	Municipal Discharges/Sewage	4.2
Source Unknown	Unknown	3.8

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Site-specific Targeted Monitoring Results

Michigan Great Lakes Open Water 2006

Description of this table Pie chart not displayed because total size for Great Lakes Open Water is unavailable. Assessed Status Square Miles Assessed 42,660.0 Unassessed Unavailable Total Square Miles Unavailable

Description of this table Attainment Status Square Miles Good 1,052.0 Threatened .0 Impaired 41,608.0 Total Square Miles Assessed 42,660.0

Description of this table TMDL Development Status Square Miles All TMDLs completed .0 TMDL alternative .0 Non-pollutant impairment .0 TMDL needed 41,608.0 Total Threatened and Impaired 41,608.0

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Michigan Great Lakes Open Water 2006

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Designated Use	Square Miles Assessed	Percent Good	Percent Threatened	Percent Impaired	% Good
					% Threatened
					% Impaired
Agriculture	42,660.0	100.0	.0	.0
Fish Consumption	41,608.0	.0	.0	100.0
Industrial Water Supply	42,660.0	100.0	.0	.0
Navigation	42,660.0	100.0	.0	.0
Other Indigenous Aquatic Life	875.0	100.0	.0	.0

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Site-specific Targeted Monitoring Results

Causes of Impairment
Michigan Great Lakes Open Water 2006

Cause of Impairment	Cause of Impairment Group	Square Miles Threatened or Impaired
PCB(s) in Fish Tissue	Polychlorinated Biphenyls (PCBs)	41,608.0
Dioxin (Including 2,3,7,8-TCDD)	Dioxins	41,385.0
Chlordane	Pesticides	39,030.0
Mercury in Fish Tissue	Mercury	32,308.0
DDT	Pesticides	8,877.0

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Site-specific Targeted Monitoring Results

Probable Sources
Michigan Great Lakes Open Water 2006

Probable Source	Probable Source Group	Square Miles Threatened or Impaired
Atmospheric Deposition - Toxics	Atmospheric Deposition	41,523.0
Contaminated Sediments	Legacy/Historical Pollutants	32,082.0
Agriculture	Agriculture	29,650.0
Industrial Point Source Discharge	Industrial	7,215.0

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Site-specific Targeted Monitoring Results

Michigan Great Lakes Connecting Channel 2006

Description of this table Pie chart not displayed because total size for Great Lakes Connecting Channel is unavailable. Assessed Status Miles Assessed 415.0 Unassessed Unavailable Total Miles Unavailable

Description of this table Attainment Status Miles Good 99.0 Threatened .0 Impaired 316.0 Total Miles Assessed 415.0

Description of this table TMDL Development Status Miles All TMDLs completed .0 TMDL alternative .0 Non-pollutant impairment .0 TMDL needed 316.0 Total Threatened and Impaired 316.0

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Michigan Great Lakes Connecting Channel 2006

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Designated Use	Miles Assessed	Percent Good	Percent Threatened	Percent Impaired	% Good
					% Threatened
					% Impaired
Agriculture	415.0	100.0	.0	.0
Fish Consumption	194.0	.0	.0	100.0
Industrial Water Supply	415.0	100.0	.0	.0
Navigation	415.0	100.0	.0	.0
Other Indigenous Aquatic Life	124.0	79.8	.0	20.2
Partial Body Contact Recreation	97.0	100.0	.0	.0
Total Body Contact Recreation	97.0	.0	.0	100.0

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Site-specific Targeted Monitoring Results

Causes of Impairment
Michigan Great Lakes Connecting Channel 2006

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Site-specific Targeted Monitoring Results

Probable Sources
Michigan Great Lakes Connecting Channel 2006

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Site-specific Targeted Monitoring Results

Michigan Inland Lake Shoreline 2006

Description of this table Pie chart not displayed because total size for Inland Lake Shoreline is unavailable. Assessed Status Miles Assessed 29.9 Unassessed Unavailable Total Miles Unavailable

Description of this table Attainment Status Miles Good 28.6 Threatened .0 Impaired 1.3 Total Miles Assessed 29.9

Description of this table TMDL Development Status Miles All TMDLs completed .2 TMDL alternative .0 Non-pollutant impairment .0 TMDL needed 1.1 Total Threatened and Impaired 1.3

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Michigan Inland Lake Shoreline 2006

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Designated Use	Miles Assessed	Percent Good	Percent Threatened	Percent Impaired	% Good
					% Threatened
					% Impaired
Agriculture	29.9	100.0	.0	.0
Industrial Water Supply	29.9	100.0	.0	.0
Navigation	29.9	100.0	.0	.0
Other Indigenous Aquatic Life	.8	100.0	.0	.0
Partial Body Contact Recreation	.5	.0	.0	100.0
Total Body Contact Recreation	25.1	94.9	.0	5.1

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Site-specific Targeted Monitoring Results

Causes of Impairment
Michigan Inland Lake Shoreline 2006

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Site-specific Targeted Monitoring Results

Probable Sources
Michigan Inland Lake Shoreline 2006

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Michigan Causes of Impairment for Reporting Year 2006

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Michigan Probable Sources Contributing to Impairments
for Reporting Year 2006

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Michigan TMDL Alternatives by Cause of Impairment 2006

NOTE: Click on the underlined "Number of TMDL Alternatives by Cause of Impairment " value to see a listing of those Causes of Impairment.
Cause of Impairment	Number of TMDL Alternatives	Rivers and Streams (Miles)	Lakes, Reservoirs, and Ponds (Acres)	Great Lakes Shoreline (Miles)
PCB(s) in Fish Tissue	10	287	100
Copper	4	3	3,159
DDT	2	36	123
Dissolved Oxygen	2	11
Escherichia Coli (E. Coli)	2	4
Other Flow Regime Alterations	2	6
Polybrominated Biphenyls	2	36	123
Polychlorinated Biphenyls (PCBs)	2	3
Taste and Odor	2		500	80
Ammonia, Total	1	3
Mercury in Fish Tissue	1		100
Mercury in Water Column	1	1
Organic Enrichment (Sewage) Biological Indicators	1	3
Other Anthropogenic Substrate Alterations	1	3
Phosphorus, Total	1	3
Polycyclic Aromatic Hydrocarbons (PAHs) (Aquatic Ecosystems)	1		500
Sedimentation/Siltation	1	8
Zinc	1		500

Total: 37 TMDL Alternatives

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Michigan Previously 303(d)-Listed Waters Now Attaining All Applicable Water Quality Standards

NOTE: Click on the underlined "Number of Waters Attaining" value for a detailed list of those previously 303(d)-listed waters now attaining all applicable water quality standards.
Year Attaining	Number of Waters Attaining	Number of Causes of Impairment Addressed
2004	16	27
2006	26	27
2008	24	30

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Michigan Causes of Impairment for 303(d) Listed Waters

NOTE: Click on a cause of impairment (e.g. pathogens) to see the specific state-reported causes that are grouped to make up this category. Click on the "Number of Causes of Impairment Reported" to see a list of waters with that cause of impairment.
Cause of Impairment Group Name	Number of Causes of Impairment Reported
Mercury	198
Polychlorinated Biphenyls (PCBs)	136
Pathogens	83
Cause Unknown - Impaired Biota	41
Nutrients	20
Pesticides	17
Organic Enrichment/Oxygen Depletion	15
Dioxins	13
Noxious Aquatic Plants	10
Algal Growth	7
Metals (other than Mercury)	5
Salinity/Total Dissolved Solids/Chlorides/Sulfates	3
Cause Unknown - Fish Kills	3
Toxic Organics	2
Oil and Grease	2
Sediment	1
Turbidity	1

Total: 557 Causes of Impairment

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Michigan Cumulative TMDLs by Pollutant

This chart includes TMDLs since October 1, 1995.

NOTE: Click on the underlined "Pollutant" value to see associated listed waters for which a TMDL was developed. Click on the underlined "Number of TMDLs" value to see a listing of those TMDLs for the pollutant.
Pollutant	Number of TMDLs	Number of Causes of Impairment Addressed
Escherichia Coli (E. Coli)	123	124
Polychlorinated Biphenyls (PCBs)	51	51
Total Suspended Solids (TSS)	17	21
Sediment	14	20
Phosphorus	10	13
Phosphorus, Total	10	23
Pathogens	9	9
Mercury	1	1
Nitrogen	1	1
Organic Enrichment/Low Dissolved Oxygen	1	1
Untreated Sewage Discharges	1	1

Total: 238 TMDLs; 265 Causes of Impairment Addressed

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Michigan Cumulative Number of TMDLs

EPA Fiscal Year starts October 1 and ends September 30.

NOTE: Click on the underlined "Number of TMDLs Completed" value for a detailed list of the TMDLs for the fiscal year.
Fiscal Year	Number of TMDLs	Number of Causes of Impairment Addressed
2000	6	7
2001	4	6
2002	9	9
2003	12	14
2004	8	9
2005	19	20
2006	10	10
2007	16	22
2008	58	61
2009	18	29
2010	19	19
2011	14	14
2012	24	24
2013	21	21

Total: 238 TMDLs; 265 Causes of Impairment Addressed

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TMDL Document Search

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