Virginia Water Quality Assessment Report

Assessed Waters of Virginia by Watershed

Search for a waterbody within Virginia

Features

Site-specific Targeted Monitoring Summary Results

Virginia (2006)

	Rivers and Streams (Miles)	Lakes, Reservoirs, and Ponds (Acres)	Bays and Estuaries (Square Miles)
	Size of Water
Good Waters	5,290.5	3,581.6	169.1
Previously impaired waters now attaining all uses	629.8	9,604.5	28.2
Threatened Waters
TMDL completed
TMDL alternative
Non-pollutant impairment
TMDL needed
Impaired Waters	8,984.3	108,892.5	2,212.1
TMDL completed	1,093.3
TMDL alternative
Non-pollutant impairment	339.7	15,349.5
TMDL needed	7,551.2	93,543.0	2,212.1
New TMDLs completed	730.5	.0	.0
Remaining TMDLs needed	6,820.7	93,543.0	2,212.1

Total Assessed Waters	14,274.8	112,474.2	2,381.2
Total Waters	50,414.9	149,982.0	2,500.0
Percent of Waters Assessed	28.3	75.0	95.2

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

Site-specific Targeted Monitoring Results

Virginia Rivers and Streams 2006

Description of this table

Assessed Status	Miles

Assessed	14,274.8
Unassessed	36,140.1
Total Miles	50,414.9

Description of this table

Attainment Status	Miles

Good	5,290.5
Threatened	.0
Impaired	8,984.3
Total Miles Assessed	14,274.8

Description of this table

TMDL Development Status	Miles

All TMDLs completed	1,823.9
TMDL alternative	.0
Non-pollutant impairment	339.7
TMDL needed	6,820.7
Total Threatened and Impaired	8,984.3

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Virginia Rivers and Streams 2006

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

Description of this table

Designated Use	Miles Assessed	Percent Good	Percent Threatened	Percent Impaired	% Good
					% Threatened
					% Impaired
Aquatic Life	12,812.3	73.3	.0	26.7
Fish Consumption	3,522.4	64.4	.0	35.6
Open-Water Aquatic Life	.8	.0	.0	100.0
Public Water Supply	1,439.5	99.8	.0	.2
Recreation	10,013.9	33.1	.0	66.9
Shallow-Water Submerged Aquatic Vegetation	.9	.0	.0	100.0
Wildlife	10,856.6	99.5	.0	.5

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Site-specific Targeted Monitoring Results

Causes of Impairment
Virginia Rivers and Streams 2006

Description of this table

Cause of Impairment	Cause of Impairment Group	Miles Threatened or Impaired
Fecal Coliform	Pathogens	3,987.2
Escherichia Coli (E. Coli)	Pathogens	3,865.3
Dissolved Oxygen	Organic Enrichment/Oxygen Depletion	1,250.4
pH	pH/Acidity/Caustic Conditions	1,205.9
Benthic Macroinvertebrates Bioassessments	Cause Unknown - Impaired Biota	1,191.9
PCB(s) in Fish Tissue	Polychlorinated Biphenyls (PCBs)	973.2
Mercury in Fish Tissue	Mercury	373.6
Temperature, Water	Temperature	301.6
Chloride	Salinity/Total Dissolved Solids/Chlorides/Sulfates	49.5
Benzo[k]fluoranthene	Toxic Organics	34.8
DDE	Pesticides	19.4
DDT	Pesticides	19.4
Heptachlor Epoxide	Pesticides	14.2
Lead	Metals (other than Mercury)	7.1
Aldrin	Pesticides	6.5
Copper	Metals (other than Mercury)	5.7
Zinc	Metals (other than Mercury)	4.5
Chlordane	Pesticides	2.2
Nitrogen, Nitrate	Nutrients	2.2
Ammonia, Un-ionized	Ammonia	1.5
Aquatic Plants (Macrophytes)	Noxious Aquatic Plants	.9

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Site-specific Targeted Monitoring Results

Probable Sources
Virginia Rivers and Streams 2006

Description of this table

Probable Source	Probable Source Group	Miles Threatened or Impaired
Source Unknown	Unknown	4,181.0
Wildlife Other Than Waterfowl	Natural/Wildlife	2,788.6
Non-Point Source	Unspecified Nonpoint Source	1,651.4
Natural Conditions - Water Quality Standards Use Attainability Analyses Needed	Natural/Wildlife	1,644.8
Livestock (Grazing Or Feeding Operations)	Agriculture	1,508.2
Unspecified Domestic Waste	Municipal Discharges/Sewage	1,141.4
On-Site Treatment Systems (Septic Systems And Similar Decencentralized Systems)	Municipal Discharges/Sewage	942.4
Wastes From Pets	Urban-Related Runoff/Stormwater	866.3
Municipal (Urbanized High Density Area)	Urban-Related Runoff/Stormwater	483.2
Grazing In Riparian Or Shoreline Zones	Agriculture	387.6
Rural (Residential Areas)	Other	285.7
Agriculture	Agriculture	265.9
Animal Feeding Operations (Nps)	Agriculture	246.8
Sewage Discharges In Unsewered Areas	Municipal Discharges/Sewage	231.3
Atmospheric Deposition - Acidity	Atmospheric Deposition	229.3
Waterfowl	Natural/Wildlife	223.0
Industrial Point Source Discharge	Industrial	173.8
Contaminated Sediments	Legacy/Historical Pollutants	171.5
Municipal Point Source Discharges	Municipal Discharges/Sewage	150.5
Runoff From Forest/Grassland/Parkland	Other	146.9
Discharges From Municipal Separate Storm Sewer Systems (Ms4)	Urban-Related Runoff/Stormwater	139.9
Loss Of Riparian Habitat	Habitat Alterations (Not Directly Related To Hydromodification)	92.5
Sanitary Sewer Overflows (Collection System Failures)	Municipal Discharges/Sewage	89.1
Impacts From Land Application Of Wastes	Land Application/Waste Sites/Tanks	86.6
Sediment Resuspension (Clean Sediment)	Hydromodification	77.6
Streambank Modifications/Destablization	Hydromodification	69.1
Surface Mining	Resource Extraction	60.0
Septage Disposal	Municipal Discharges/Sewage	51.1
Dam Or Impoundment	Hydromodification	48.2
Drought-Related Impacts	Natural/Wildlife	42.6
Manure Runoff	Agriculture	42.2
Combined Sewer Overflows	Municipal Discharges/Sewage	34.7
Acid Mine Drainage	Resource Extraction	33.2
Urban Runoff/Storm Sewers	Urban-Related Runoff/Stormwater	31.0
Crop Production (Crop Land Or Dry Land)	Agriculture	26.8
Impacts From Abandoned Mine Lands (Inactive)	Resource Extraction	24.1
Post-Development Erosion And Sedimentation	Hydromodification	22.9
Coal Mining	Resource Extraction	22.0
Upstream Source	Other	20.4
Atmospheric Deposition - Toxics	Atmospheric Deposition	20.1
Channelization	Hydromodification	19.6
Sediment Resuspension (Contaminated Sediment)	Hydromodification	16.8
Clean Sediments	Hydromodification	16.1
Silviculture Harvesting	Silviculture (Forestry)	13.8
Illicit Connections/Hook-Ups To Storm Sewers	Municipal Discharges/Sewage	12.7
Impervious Surface/Parking Lot Runoff	Urban-Related Runoff/Stormwater	12.2
Site Clearance (Land Development Or Redevelopment)	Construction	10.9
Rangeland Grazing	Agriculture	10.9
Inappropriate Waste Disposal	Spills/Dumping	9.7
Commerical Districts (Shopping/Office Complexes)	Urban-Related Runoff/Stormwater	8.4
Residential Districts	Urban-Related Runoff/Stormwater	8.4
Unspecified Urban Stormwater	Urban-Related Runoff/Stormwater	8.3
Managed Pasture Grazing	Agriculture	7.5
Erosion From Derelict Land (Barren Land)	Hydromodification	7.5
Mine Tailings	Resource Extraction	6.0
Coal Mining (Subsurface)	Resource Extraction	5.8
Unpermitted Discharge (Domestic Wastes)	Municipal Discharges/Sewage	4.6
Industrial/Commercial Site Stormwater Discharge (Permittted)	Urban-Related Runoff/Stormwater	4.5
Landfills	Land Application/Waste Sites/Tanks	4.3
Natural Sources	Natural/Wildlife	3.8
Aquaculture (Permitted)	Aquaculture	3.5
Commercial Districts (Industrial Parks)	Industrial	3.4
Package Plant Or Other Permitted Small Flows Discharges	Municipal Discharges/Sewage	2.6
Leaking Underground Storage Tanks	Land Application/Waste Sites/Tanks	1.5
Wet Weather Discharges (Point Source And Combination Of Stormwater, Sso Or Cso)	Municipal Discharges/Sewage	.9
Sources Outside State Juristiction Or Borders	Other	.9
Atmospheric Deposition - Nitrogen	Atmospheric Deposition	.9
Internal Nutrient Recycling	Natural/Wildlife	.9
Upstream Impoundments (E.G., Pl-566 Nrcs Structures)	Hydromodification	.8

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Site-specific Targeted Monitoring Results

Virginia Lakes, Reservoirs, and Ponds 2006

Description of this table

Assessed Status	Acres

Assessed	112,474.2
Unassessed	37,507.9
Total Acres	149,982.0

Description of this table

Attainment Status	Acres

Good	3,581.6
Threatened	.0
Impaired	108,892.5
Total Acres Assessed	112,474.2

Description of this table

TMDL Development Status	Acres

All TMDLs completed	.0
TMDL alternative	.0
Non-pollutant impairment	15,349.5
TMDL needed	93,543.0
Total Threatened and Impaired	108,892.5

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Site-specific Targeted Monitoring Results

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

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

Description of this table

Designated Use	Acres Assessed	Percent Good	Percent Threatened	Percent Impaired	% Good
					% Threatened
					% Impaired
Aquatic Life	108,696.0	14.0	.0	86.0
Fish Consumption	93,905.6	19.8	.0	80.2
Public Water Supply	73,793.3	100.0	.0	.0
Recreation	102,021.3	95.2	.0	4.8
Wildlife	104,014.8	99.5	.0	.5

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Site-specific Targeted Monitoring Results

Causes of Impairment
Virginia Lakes, Reservoirs, and Ponds 2006

Description of this table

Cause of Impairment	Cause of Impairment Group	Acres Threatened or Impaired
Dissolved Oxygen	Organic Enrichment/Oxygen Depletion	93,165.9
PCB(s) in Fish Tissue	Polychlorinated Biphenyls (PCBs)	72,008.4
pH	pH/Acidity/Caustic Conditions	8,408.7
Escherichia Coli (E. Coli)	Pathogens	4,847.7
Mercury in Fish Tissue	Mercury	3,401.0
Fecal Coliform	Pathogens	1,361.0
Copper	Metals (other than Mercury)	548.0
Temperature, Water	Temperature	96.5

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Site-specific Targeted Monitoring Results

Probable Sources
Virginia Lakes, Reservoirs, and Ponds 2006

Description of this table

Probable Source	Probable Source Group	Acres Threatened or Impaired
Source Unknown	Unknown	85,688.3
Natural Conditions - Water Quality Standards Use Attainability Analyses Needed	Natural/Wildlife	72,374.7
Changes In Ordinary Stratification And Bottom Water Hypoxia/Anoxia	Natural/Wildlife	9,526.9
Wildlife Other Than Waterfowl	Natural/Wildlife	2,544.1
Unspecified Domestic Waste	Municipal Discharges/Sewage	2,544.1
Livestock (Grazing Or Feeding Operations)	Agriculture	2,544.1
On-Site Treatment Systems (Septic Systems And Similar Decencentralized Systems)	Municipal Discharges/Sewage	2,466.3
Dam Or Impoundment	Hydromodification	1,833.6
Municipal (Urbanized High Density Area)	Urban-Related Runoff/Stormwater	975.8
Sanitary Sewer Overflows (Collection System Failures)	Municipal Discharges/Sewage	427.8
Atmospheric Deposition - Acidity	Atmospheric Deposition	343.4
Wastes From Pets	Urban-Related Runoff/Stormwater	235.0
Non-Point Source	Unspecified Nonpoint Source	106.0

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Site-specific Targeted Monitoring Results

Virginia Bays and Estuaries 2006

Description of this table

Assessed Status	Square Miles

Assessed	2,381.2
Unassessed	118.8
Total Square Miles	2,500.0

Description of this table

Attainment Status	Square Miles

Good	169.1
Threatened	.0
Impaired	2,212.1
Total Square Miles Assessed	2,381.2

Description of this table

TMDL Development Status	Square Miles

All TMDLs completed	.0
TMDL alternative	.0
Non-pollutant impairment	.0
TMDL needed	2,212.1
Total Threatened and Impaired	2,212.1

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
Virginia Bays and Estuaries 2006

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

Description of this table

Designated Use	Square Miles Assessed	Percent Good	Percent Threatened	Percent Impaired	% Good
					% Threatened
					% Impaired
Aquatic Life	2,256.0	2.0	.0	98.0
Deep-Water Aquatic Life	415.7	.0	.0	100.0
Fish Consumption	2,150.3	1.7	.0	98.3
Open-Water Aquatic Life	1,676.4	.0	.0	100.0
Public Water Supply	7.2	100.0	.0	.0
Recreation	634.4	87.1	.0	12.9
Shallow-Water Submerged Aquatic Vegetation	2,170.5	1.2	.0	98.8
Shellfishing	2,095.6	95.8	.0	4.2
Wildlife	586.1	85.3	.0	14.7

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Site-specific Targeted Monitoring Results

Causes of Impairment
Virginia Bays and Estuaries 2006

Description of this table

Cause of Impairment	Cause of Impairment Group	Square Miles Threatened or Impaired
Aquatic Plants (Macrophytes)	Noxious Aquatic Plants	2,144.2
PCB(s) in Fish Tissue	Polychlorinated Biphenyls (PCBs)	2,110.1
Dissolved Oxygen	Organic Enrichment/Oxygen Depletion	1,905.2
Estuarine Bioassessments	Cause Unknown - Impaired Biota	639.2
Fecal Coliform	Pathogens	111.8
Chloride	Salinity/Total Dissolved Solids/Chlorides/Sulfates	86.3
Enterococcus Bacteria	Pathogens	44.5
Escherichia Coli (E. Coli)	Pathogens	26.8
Tributylin TBT (Tributylstanne)	Toxic Organics	11.3
pH	pH/Acidity/Caustic Conditions	9.9
Mercury in Fish Tissue	Mercury	8.0
Sediment Bioassays for Estuarine and Marine Water	Total Toxics	1.5

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Site-specific Targeted Monitoring Results

Probable Sources
Virginia Bays and Estuaries 2006

Description of this table

Probable Source	Probable Source Group	Square Miles Threatened or Impaired
Agriculture	Agriculture	2,203.5
Municipal Point Source Discharges	Municipal Discharges/Sewage	2,203.5
Wet Weather Discharges (Point Source And Combination Of Stormwater, Sso Or Cso)	Municipal Discharges/Sewage	2,203.5
Internal Nutrient Recycling	Natural/Wildlife	2,203.5
Industrial Point Source Discharge	Industrial	2,203.5
Sources Outside State Juristiction Or Borders	Other	2,203.5
Loss Of Riparian Habitat	Habitat Alterations (Not Directly Related To Hydromodification)	2,203.5
Atmospheric Deposition - Nitrogen	Atmospheric Deposition	2,203.5
Source Unknown	Unknown	2,147.2
Sediment Resuspension (Clean Sediment)	Hydromodification	2,144.2
Clean Sediments	Hydromodification	2,144.2
Wet Weather Discharges (Non-Point Source)	Urban-Related Runoff/Stormwater	322.1
Natural Conditions - Water Quality Standards Use Attainability Analyses Needed	Natural/Wildlife	89.7
Non-Point Source	Unspecified Nonpoint Source	23.7
Discharges From Municipal Separate Storm Sewer Systems (Ms4)	Urban-Related Runoff/Stormwater	21.4
Changes In Ordinary Stratification And Bottom Water Hypoxia/Anoxia	Natural/Wildlife	19.7
Contaminated Sediments	Legacy/Historical Pollutants	15.7
Shipbuilding, Repairs, Drydocking	Commercial Harbor And Port Activities	11.3
Other Shipping Releases (Wastes And Detritus)	Commercial Harbor And Port Activities	11.3
Combined Sewer Overflows	Municipal Discharges/Sewage	8.7
Natural Sources	Natural/Wildlife	8.4
On-Site Treatment Systems (Septic Systems And Similar Decencentralized Systems)	Municipal Discharges/Sewage	7.5
Municipal (Urbanized High Density Area)	Urban-Related Runoff/Stormwater	7.5
Atmospheric Deposition - Toxics	Atmospheric Deposition	4.7
Livestock (Grazing Or Feeding Operations)	Agriculture	.0
Crop Production (Crop Land Or Dry Land)	Agriculture	.0
Wildlife Other Than Waterfowl	Natural/Wildlife	.0
Runoff From Forest/Grassland/Parkland	Other	.0
Waterfowl	Natural/Wildlife	.0
Animal Feeding Operations (Nps)	Agriculture	.0
Marina/Boating Sanitary On-Vessel Discharges	Recreational Boating And Marinas	.0

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Virginia Causes of Impairment for Reporting Year 2006

Description of this table

Cause of Impairment Group	Size of Assessed Waters with Listed Causes of Impairment
NOTE: Click on the underlined Cause of Impairment Group to see a list of specific state causes of impairment making up the Cause of Impairment Group. See also Pollution categories summary document (PDF) (20 pp, 557K, About PDF) for brief, non-technical descriptions of general cause categories.
Cause of Impairment Group	Rivers and Streams (Miles)	Lakes, Reservoirs, and Ponds (Acres)	Bays and Estuaries (Square Miles)
Ammonia	1.5
Cause Unknown - Impaired Biota	1,191.9		639.2
Mercury	373.6	3,401.0	8.0
Metals (other than Mercury)	12.8	548.0
Noxious Aquatic Plants	.9		2,144.2
Nutrients	2.2
Organic Enrichment/Oxygen Depletion	1,250.4	93,165.9	1,905.2
Pathogens	6,703.8	4,847.7	148.3
Pesticides	31.1
pH/Acidity/Caustic Conditions	1,205.9	8,408.7	9.9
Polychlorinated Biphenyls (PCBs)	973.2	72,008.4	2,110.1
Salinity/Total Dissolved Solids/Chlorides/Sulfates	49.5		86.3
Temperature	301.6	96.5
Total Toxics			1.5
Toxic Organics	34.8		11.3

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Virginia Probable Sources Contributing to Impairments
for Reporting Year 2006

Description of this table

Probable Source Group	Size of Assessed Waters with Probable Sources of Impairments
NOTE: Click on the underlined Probable Source Group to see a list of specific state Probable Sources making up the Probable Source Group.
Probable Source Group	Rivers and Streams (Miles)	Lakes, Reservoirs, and Ponds (Acres)	Bays and Estuaries (Square Miles)
Agriculture	2,164.0	2,544.1	2,203.6
Aquaculture	3.5
Atmospheric Deposition	250.4	343.4	2,203.5
Commercial Harbor And Port Activities			11.3
Construction	10.9
Habitat Alterations (Not Directly Related To Hydromodification)	92.5		2,203.5
Hydromodification	202.5	1,833.6	2,144.2
Industrial	177.2		2,203.5
Land Application/Waste Sites/Tanks	92.5
Legacy/Historical Pollutants	171.5		15.7
Municipal Discharges/Sewage	1,763.4	2,894.1	2,203.6
Natural/Wildlife	4,297.5	77,383.1	2,206.5
Other	453.9		2,203.6
Recreational Boating And Marinas			.0
Resource Extraction	137.7
Silviculture (Forestry)	13.8
Spills/Dumping	9.7
Unknown	4,181.0	85,688.3	2,147.2
Unspecified Nonpoint Source	1,651.4	106.0	23.7
Urban-Related Runoff/Stormwater	1,124.8	1,133.0	335.9

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Virginia TMDL Alternatives by Cause of Impairment 2006

Description of this table

Cause of Impairment	Number of TMDL Alternatives	Rivers and Streams (Miles)
NOTE: Click on the underlined "Number of TMDL Alternatives by Cause of Impairment " value to see a listing of those Causes of Impairment.
Lead	1	7

Total: 1 TMDL Alternatives

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

Description of this table

Year Attaining	Number of Waters Attaining	Number of Causes of Impairment Addressed
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.
2009	13	21
2011	81	98

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Virginia Causes of Impairment for 303(d) Listed Waters

Description of this table

Cause of Impairment Group Name	Number of Causes of Impairment Reported
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.
Pathogens	1,546
Organic Enrichment/Oxygen Depletion	806
Polychlorinated Biphenyls (PCBs)	684
Noxious Aquatic Plants	662
Cause Unknown - Impaired Biota	237
pH/Acidity/Caustic Conditions	178
Mercury	60
Salinity/Total Dissolved Solids/Chlorides/Sulfates	44
Temperature	34
Pesticides	24
Metals (other than Mercury)	5
Toxic Organics	3
Total Toxics	3
Fish Consumption Advisory	2
Ammonia	1

Total: 4,289 Causes of Impairment

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Virginia Cumulative TMDLs by Pollutant

This chart includes TMDLs since October 1, 1995.

Description of this table

Pollutant	Number of TMDLs	Number of Causes of Impairment Addressed
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.
Fecal Coliform	332	333
Escherichia Coli (E. Coli)	251	267
Ammonia	147	147
Pathogens	108	110
Sediment	89	89
Polychlorinated Biphenyls (PCBs)	77	77
Nitrogen, Total	43	43
Phosphorus, Total	43	43
Total Suspended Solids (TSS)	36	36
Enterococcus Bacteria	31	31
Mercury	26	26
Phosphorus	19	21
Total Dissolved Solids (TDS)	18	18
Dissolved Oxygen	16	16
Total Kjehldahl Nitrogen (TKN)	13	13
Carbonaceous Bod	10	10
Benthic	9	9
Copper	8	8
Tributyltin	8	8
Temperature	7	7
Cyanide	6	6
Organic Enrichment	6	6
Polycyclic Aromatic Hydrocarbons (PAHs) (Aquatic Ecosystems)	6	6
Zinc	6	6
Biochemical Oxygen Demand (BOD)	4	4
Chlorine	4	4
Fecal	4	5
Nitrogen	4	4
Pentachlorophenol (PCP)	4	4
Pollutants in Urban Stormwater	4	6
Whole Effluent Toxicity (WET)	4	4
Chlorides	3	3
Fecal Bacteria	3	5
PCBs in Sediment	3	3
Total Residual Chlorine	3	3
pH	3	3
Benzene	2	2
Di-2-Ethylhexyl Phthalate	2	2
Lead	2	2
Nitrate	2	2
Shellfish Harvesting Advisory	2	2
Silver	2	2
Aldrin	1	1
Alkalinity	1	1
Aluminum	1	1
Arsenic	1	1
Bacterial Slimes	1	1
Cadmium	1	1
Chloride	1	1
Chlorine, Residual (Chlorine Demand)	1	1
Chloroform	1	1
Chromium, Hexavalent	1	1
Chromium, Total	1	1
DDT	1	1
Dioxin	1	1
Eldrin	1	1
Endrin	1	1
Ethylbenzene	1	1
Manganese	1	1
Metals (other than Mercury)	1	1
Naphthalene	1	1
Nickel	1	1
Organic Enrichment/Low Dissolved Oxygen	1	1
Toluene	1	1
Xylene	1	1

Total: 1,393 TMDLs; 1,419 Causes of Impairment Addressed

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Virginia Cumulative Number of TMDLs

EPA Fiscal Year starts October 1 and ends September 30.

Description of this table

Fiscal Year	Number of TMDLs	Number of Causes of Impairment Addressed
NOTE: Click on the underlined "Number of TMDLs Completed" value for a detailed list of the TMDLs for the fiscal year.
1998	4	4
1999	1	1
2000	1	1
2001	26	26
2002	180	180
2003	96	96
2004	118	118
2005	17	17
2006	219	220
2007	64	66
2008	138	138
2009	87	87
2010	199	209
2011	198	202
2012	33	34
2013	12	20

Total: 1,393 TMDLs; 1,419 Causes of Impairment Addressed

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Full Text Search of TMDL Documents

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