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Virginia Assessment Summary for Reporting Year 2008

Description of this table

	Size of Water
	Rivers and Streams (Miles)	Lakes, Reservoirs, and Ponds (Acres)	Bays and Estuaries (Square Miles)
Good Waters	5,330.6	18,125.1	123.1
Previously impaired waters       now attaining all uses
Threatened Waters
TMDL completed
TMDL alternative
Non-pollutant impairment
TMDL needed
Impaired Waters	10,542.8	94,043.7	2,181.7
TMDL completed	1,608.1
TMDL alternative
Non-pollutant impairment	590.6	691.4
TMDL needed	8,344.2	93,352.3	2,181.7
New TMDLs completed	133.4	.0	8.4
Remaining TMDLs needed	8,210.7	93,352.3	2,173.3
Total Assessed Waters	15,873.4	112,168.8	2,304.8
Total Waters	50,414.9	149,982.0	2,500.0
Percent of Waters Assessed	31.5	74.8	92.2

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Summary of Water Quality Assessments for Each Waterbody Type
for Reporting Year 2008

Virginia Assessed Waters
Summary of Water Quality Attainment for Rivers and Streams
Reporting Year 2008

Description of this table Assessed Status Miles Assessed 15,873.4 Unassessed 34,541.5 Total Miles 50,414.9

Description of this table Attainment Status Miles Good 5,330.6 Threatened .0 Impaired 10,542.8 Total Miles Assessed 15,873.4

Description of this table TMDL Development Status Miles All TMDLs completed 1,741.5 TMDL alternative .0 Non-pollutant impairment 590.6 TMDL needed 8,210.7 Total Threatened and Impaired 10,542.8

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Virginia Assessed Waters
Designated Use Support for Rivers and Streams
Reporting Year 2008*

* 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	14,141.9	70.6	.0	29.4
Fish Consumption	4,721.7	55.8	.0	44.2
Public Water Supply	1,434.3	99.8	.0	.2
Recreation	11,042.7	33.1	.0	66.9
Wildlife	12,066.3	99.7	.0	.3

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Virginia Causes of Impairment
for Threatened and Impaired Rivers and Streams
Reporting Year 2008

Description of this table

Cause of Impairment	Cause of Impairment Group	Miles Threatened or Impaired
Escherichia Coli (E. Coli)	Pathogens	5,979.2
Fecal Coliform	Pathogens	2,183.4
Benthic Macroinvertebrates Bioassessments	Cause Unknown - Impaired Biota	1,683.1
Dissolved Oxygen	Organic Enrichment/Oxygen Depletion	1,509.5
Mercury in Fish Tissue	Mercury	1,344.4
pH	pH/Acidity/Caustic Conditions	1,289.6
PCB(s) in Fish Tissue	Polychlorinated Biphenyls (PCBs)	1,018.2
Temperature, Water	Temperature	384.4
Chloride	Salinity/Total Dissolved Solids/Chlorides/Sulfates	41.6
DDE	Pesticides	19.4
DDT	Pesticides	19.4
Heptachlor Epoxide	Pesticides	14.2
Lead	Metals (other than Mercury)	12.6
Copper	Metals (other than Mercury)	10.2
Zinc	Metals (other than Mercury)	9.0
Aldrin	Pesticides	6.1
Cadmium	Metals (other than Mercury)	5.4
Polychlorinated Biphenyls (PCBs)	Polychlorinated Biphenyls (PCBs)	2.9
Ammonia, Un-ionized	Ammonia	2.6
Chlordane	Pesticides	2.2
Nitrogen, Nitrate	Nutrients	2.2

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Virginia Probable Sources of Impairments
for Threatened and Impaired Rivers and Streams
Reporting Year 2008

Description of this table

Probable Source	Probable Source Group	Miles Threatened or Impaired
Source Unknown	Unknown	5,371.4
Wildlife Other Than Waterfowl	Natural/Wildlife	3,001.6
Non-Point Source	Unspecified Nonpoint Source	1,883.7
Natural Conditions - Water Quality Standards Use Attainability Analyses Needed	Natural/Wildlife	1,866.8
Livestock (Grazing Or Feeding Operations)	Agriculture	1,796.8
Unspecified Domestic Waste	Municipal Dishcarges/Sewage	1,237.4
Agriculture	Agriculture	1,130.5
On-Site Treatment Systems (Septic Systems And Similar Decentralized Systems)	Municipal Dishcarges/Sewage	985.7
Wastes From Pets	Urban-Related Runoff/Stormwater	675.2
Municipal (Urbanized High Density Area)	Urban-Related Runoff/Stormwater	533.6
Atmospheric Deposition - Toxics	Atmospheric Deposition	508.4
Grazing In Riparian Or Shoreline Zones	Agriculture	503.8
Wet Weather Discharges (Non-Point Source)	Urban-Related Runoff/Stormwater	467.3
Rural (Residential Areas)	Other	423.7
Animal Feeding Operations (Nps)	Agriculture	292.9
Waterfowl	Natural/Wildlife	261.5
Sewage Discharges In Unsewered Areas	Municipal Dishcarges/Sewage	257.1
Loss Of Riparian Habitat	Habitat Alterations (Not Directly Related To Hydromodification)	240.1
Municipal Point Source Discharges	Municipal Dishcarges/Sewage	204.7
Atmospheric Deposition - Acidity	Atmospheric Deposition	197.5
Contaminated Sediments	Legacy/Historical Pollutants	195.5
Runoff From Forest/Grassland/Parkland	Other	185.3
Industrial Point Source Discharge	Industrial	174.7
Sediment Resuspension (Clean Sediment)	Hydromodification	158.4
Impacts From Land Application Of Wastes	Land Application/Waste Sites/Tanks	141.1
Streambank Modifications/Destabilization	Hydromodification	139.3
Discharges From Municipal Separate Storm Sewer Systems (Ms4)	Urban-Related Runoff/Stormwater	137.8
Sanitary Sewer Overflows (Collection System Failures)	Municipal Dishcarges/Sewage	91.9
Surface Mining	Resource Extraction	67.4
Residential Districts	Urban-Related Runoff/Stormwater	64.5
Dam Or Impoundment	Hydromodification	64.1
Septage Disposal	Municipal Dishcarges/Sewage	60.3
Urban Runoff/Storm Sewers	Urban-Related Runoff/Stormwater	52.8
Combined Sewer Overflows	Municipal Dishcarges/Sewage	50.1
Post-Development Erosion And Sedimentation	Hydromodification	44.5
Manure Runoff	Agriculture	42.3
Coal Mining	Resource Extraction	32.8
Drought-Related Impacts	Natural/Wildlife	29.9
Acid Mine Drainage	Resource Extraction	27.1
Clean Sediments	Hydromodification	24.5
Wet Weather Discharges (Point Source And Combination Of Stormwater, Sso Or Cso)	Municipal Dishcarges/Sewage	24.1
Coal Mining (Subsurface)	Resource Extraction	23.4
Industrial/Commercial Site Stormwater Discharge (Permitted)	Urban-Related Runoff/Stormwater	22.3
Impacts From Abandoned Mine Lands (Inactive)	Resource Extraction	20.6
Channelization	Hydromodification	19.6
Unspecified Urban Stormwater	Urban-Related Runoff/Stormwater	16.1
Silviculture Harvesting	Silviculture (Forestry)	14.8
Sediment Resuspension (Contaminated Sediment)	Hydromodification	14.8
Illicit Connections/Hook-Ups To Storm Sewers	Municipal Dishcarges/Sewage	12.6
Crop Production (Crop Land Or Dry Land)	Agriculture	12.3
Impervious Surface/Parking Lot Runoff	Urban-Related Runoff/Stormwater	12.2
Channel Erosion/Incision From Upstream Hydromodifications	Hydromodification	10.9
Rangeland Grazing	Agriculture	10.9
Natural Sources	Natural/Wildlife	9.8
Inappropriate Waste Disposal	Spills/Dumping	9.7
Upstream Impoundments (E.G., Pl-566 Nrcs Structures)	Hydromodification	9.7
Managed Pasture Grazing	Agriculture	7.5
Erosion From Derelict Land (Barren Land)	Hydromodification	7.5
Mine Tailings	Resource Extraction	6.0
Unpermitted Discharge (Domestic Wastes)	Municipal Dishcarges/Sewage	5.6
Site Clearance (Land Development Or Redevelopment)	Construction	4.8
Landfills	Land Application/Waste Sites/Tanks	4.5
Commercial Districts (Industrial Parks)	Industrial	3.4
Aquaculture (Permitted)	Aquaculture	3.0
Package Plant Or Other Permitted Small Flows Discharges	Municipal Dishcarges/Sewage	2.6
Lake Fertilization	Other	2.3
Leaking Underground Storage Tanks	Land Application/Waste Sites/Tanks	1.5

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Virginia Assessed Waters
Summary of Water Quality Attainment for Lakes, Reservoirs, and Ponds
Reporting Year 2008

Description of this table Assessed Status Acres Assessed 112,168.8 Unassessed 37,813.2 Total Acres 149,982.0

Description of this table Attainment Status Acres Good 18,125.1 Threatened .0 Impaired 94,043.7 Total Acres Assessed 112,168.8

Description of this table TMDL Development Status Acres All TMDLs completed .0 TMDL alternative .0 Non-pollutant impairment 691.4 TMDL needed 93,352.3 Total Threatened and Impaired 94,043.7

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Virginia Assessed Waters
Designated Use Support for Lakes, Reservoirs, and Ponds
Reporting Year 2008*

* 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	111,793.8	46.8	.0	53.2
Fish Consumption	96,134.3	20.0	.0	80.0
Public Water Supply	73,025.5	100.0	.0	.0
Recreation	101,292.5	95.0	.0	5.0
Wildlife	106,331.7	99.5	.0	.5

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Virginia Causes of Impairment
for Threatened and Impaired Lakes, Reservoirs, and Ponds
Reporting Year 2008

Description of this table

Cause of Impairment	Cause of Impairment Group	Acres Threatened or Impaired
PCB(s) in Fish Tissue	Polychlorinated Biphenyls (PCBs)	72,289.4
Dissolved Oxygen	Organic Enrichment/Oxygen Depletion	58,477.0
Mercury in Fish Tissue	Mercury	38,492.7
pH	pH/Acidity/Caustic Conditions	5,132.2
Escherichia Coli (E. Coli)	Pathogens	5,061.1
Copper	Metals (other than Mercury)	574.1
Temperature, Water	Temperature	99.5
Zinc	Metals (other than Mercury)	26.4
Cadmium	Metals (other than Mercury)	26.4
Lead	Metals (other than Mercury)	26.4

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Virginia Probable Sources of Impairments
for Threatened and Impaired Lakes, Reservoirs, and Ponds
Reporting Year 2008

Description of this table

Probable Source	Probable Source Group	Acres Threatened or Impaired
Source Unknown	Unknown	91,409.3
Natural Conditions - Water Quality Standards Use Attainability Analyses Needed	Natural/Wildlife	4,258.8
Dam Or Impoundment	Hydromodification	1,686.8
Unspecified Domestic Waste	Municipal Dishcarges/Sewage	1,290.2
Wildlife Other Than Waterfowl	Natural/Wildlife	1,290.2
Atmospheric Deposition - Toxics	Atmospheric Deposition	1,161.6
Livestock (Grazing Or Feeding Operations)	Agriculture	1,025.6
Residential Districts	Urban-Related Runoff/Stormwater	952.4
On-Site Treatment Systems (Septic Systems And Similar Decentralized Systems)	Municipal Dishcarges/Sewage	940.1
Changes In Ordinary Stratification And Bottom Water Hypoxia/Anoxia	Natural/Wildlife	913.9
Municipal (Urbanized High Density Area)	Urban-Related Runoff/Stormwater	897.8
Wet Weather Discharges (Non-Point Source)	Urban-Related Runoff/Stormwater	410.5
Atmospheric Deposition - Acidity	Atmospheric Deposition	399.6
Sanitary Sewer Overflows (Collection System Failures)	Municipal Dishcarges/Sewage	350.1
Rural (Residential Areas)	Other	102.9
Animal Feeding Operations (Nps)	Agriculture	102.9
Natural Sources	Natural/Wildlife	93.1
Non-Point Source	Unspecified Nonpoint Source	88.4
Impacts From Abandoned Mine Lands (Inactive)	Resource Extraction	26.4

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Virginia Assessed Waters
Summary of Water Quality Attainment for Bays and Estuaries
Reporting Year 2008

Description of this table Assessed Status Square Miles Assessed 2,304.8 Unassessed 195.2 Total Square Miles 2,500.0

Description of this table Attainment Status Square Miles Good 123.1 Threatened .0 Impaired 2,181.7 Total Square Miles Assessed 2,304.8

Description of this table TMDL Development Status Square Miles All TMDLs completed 8.4 TMDL alternative .0 Non-pollutant impairment .0 TMDL needed 2,173.3 Total Threatened and Impaired 2,181.7

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Virginia Assessed Waters
Designated Use Support for Bays and Estuaries
Reporting Year 2008*

* 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	2,248.3	4.1	.0	95.9
Deep-Channel Seasonal Refuge	253.5	.0	.0	100.0
Deep-Water Aquatic Life	451.6	2.6	.0	97.4
Fish Consumption	2,105.9	1.8	.0	98.2
Open-Water Aquatic Life	1,759.8	4.5	.0	95.5
Public Water Supply	5.9	100.0	.0	.0
Recreation	576.5	84.9	.0	15.1
Shallow-Water Submerged Aquatic Vegetation	2,128.9	10.0	.0	90.0
Shellfishing	1,997.4	95.1	.0	4.9
Wildlife	387.7	77.8	.0	22.2

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Virginia Causes of Impairment
for Threatened and Impaired Bays and Estuaries
Reporting Year 2008

Description of this table

Cause of Impairment	Cause of Impairment Group	Square Miles Threatened or Impaired
PCB(s) in Fish Tissue	Polychlorinated Biphenyls (PCBs)	2,062.8
Aquatic Plants (Macrophytes)	Noxious Aquatic Plants	1,916.3
Dissolved Oxygen	Organic Enrichment/Oxygen Depletion	1,856.2
Estuarine Bioassessments	Cause Unknown - Impaired Biota	388.3
Chlorophyll-A	Algal Growth	202.0
Chloride	Salinity/Total Dissolved Solids/Chlorides/Sulfates	140.9
Fecal Coliform	Pathogens	98.1
Enterococcus Bacteria	Pathogens	47.1
Escherichia Coli (E. Coli)	Pathogens	36.6
Tributylin TBT (Tributylstanne)	Toxic Organics	11.2
Nutrient/Eutrophication Biological Indicators	Nutrients	8.2
Mercury in Fish Tissue	Mercury	7.8
pH	pH/Acidity/Caustic Conditions	6.5
Sediment Bioassays for Estuarine and Marine Water	Total Toxics	1.5
Benzo[k]fluoranthene	Toxic Organics	.7

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Virginia Probable Sources of Impairments
for Threatened and Impaired Bays and Estuaries
Reporting Year 2008

Description of this table

Probable Source	Probable Source Group	Square Miles Threatened or Impaired
Municipal Point Source Discharges	Municipal Dishcarges/Sewage	2,117.1
Industrial Point Source Discharge	Industrial	2,117.0
Source Unknown	Unknown	2,106.1
Agriculture	Agriculture	2,090.8
Loss Of Riparian Habitat	Habitat Alterations (Not Directly Related To Hydromodification)	2,090.8
Internal Nutrient Recycling	Natural/Wildlife	2,090.8
Wet Weather Discharges (Point Source And Combination Of Stormwater, Sso Or Cso)	Municipal Dishcarges/Sewage	2,090.8
Atmospheric Deposition - Nitrogen	Atmospheric Deposition	2,090.8
Sources Outside State Jurisdiction Or Borders	Other	2,090.3
Clean Sediments	Hydromodification	1,916.3
Sediment Resuspension (Clean Sediment)	Hydromodification	1,916.3
Wet Weather Discharges (Non-Point Source)	Urban-Related Runoff/Stormwater	282.1
Non-Point Source	Unspecified Nonpoint Source	260.6
Natural Conditions - Water Quality Standards Use Attainability Analyses Needed	Natural/Wildlife	141.8
Contaminated Sediments	Legacy/Historical Pollutants	36.2
Discharges From Municipal Separate Storm Sewer Systems (Ms4)	Urban-Related Runoff/Stormwater	24.0
Atmospheric Deposition - Toxics	Atmospheric Deposition	12.1
Other Shipping Releases (Wastes And Detritus)	Commercial Harbor And Port Activities	11.2
Shipbuilding, Repairs, Drydocking	Commercial Harbor And Port Activities	11.2
Combined Sewer Overflows	Municipal Dishcarges/Sewage	7.9
Natural Sources	Natural/Wildlife	7.9
On-Site Treatment Systems (Septic Systems And Similar Decentralized Systems)	Municipal Dishcarges/Sewage	6.9
Municipal (Urbanized High Density Area)	Urban-Related Runoff/Stormwater	6.9
Changes In Ordinary Stratification And Bottom Water Hypoxia/Anoxia	Natural/Wildlife	3.9
Wildlife Other Than Waterfowl	Natural/Wildlife	.0
Livestock (Grazing Or Feeding Operations)	Agriculture	.0
Waterfowl	Natural/Wildlife	.0
Crop Production (Crop Land Or Dry Land)	Agriculture	.0
Runoff From Forest/Grassland/Parkland	Other	.0
Marina/Boating Sanitary On-Vessel Discharges	Recreational Boating And Marinas	.0
Animal Feeding Operations (Nps)	Agriculture	.0
Pipeline Breaks	Spills/Dumping	.0
Sanitary Sewer Overflows (Collection System Failures)	Municipal Dishcarges/Sewage	.0

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Virginia Causes of Impairment for Reporting Year 2008

Description of this table

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.
Cause of Impairment Group	Size of Assessed Waters with Listed Causes of Impairment
	Rivers and Streams (Miles)	Lakes, Reservoirs, and Ponds (Acres)	Bays and Estuaries (Square Miles)
Algal Growth			202.0
Ammonia	2.6
Cause Unknown - Impaired Biota	1,683.1		388.3
Mercury	1,344.4	38,492.7	7.8
Metals (other than Mercury)	17.4	574.1
Noxious Aquatic Plants			1,916.3
Nutrients	2.2		8.2
Organic Enrichment/Oxygen Depletion	1,509.5	58,477.0	1,856.2
Pathogens	7,383.2	5,061.1	161.4
Pesticides	30.6
pH/Acidity/Caustic Conditions	1,289.6	5,132.2	6.5
Polychlorinated Biphenyls (PCBs)	1,021.1	72,289.4	2,062.8
Salinity/Total Dissolved Solids/Chlorides/Sulfates	41.6		140.9
Temperature	384.4	99.5
Total Toxics			1.5
Toxic Organics			11.9

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Virginia Probable Sources Contributing to Impairments
for Reporting Year 2008

Description of this table

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	Size of Assessed Waters with Probable Sources of Impairments
	Rivers and Streams (Miles)	Lakes, Reservoirs, and Ponds (Acres)	Bays and Estuaries (Square Miles)
Agriculture	3,358.6	1,128.5	2,090.8
Aquaculture	3.0
Atmospheric Deposition	705.9	1,561.2	2,095.2
Commercial Harbor And Port Activities			11.2
Construction	4.8
Habitat Alterations (Not Directly Related To Hydromodification)	240.1		2,090.8
Hydromodification	354.1	1,686.8	1,916.3
Industrial	178.1		2,117.0
Land Application/Waste Sites/Tanks	147.1
Legacy/Historical Pollutants	195.5		36.2
Municipal Dishcarges/Sewage	1,953.3	1,290.2	2,117.1
Natural/Wildlife	4,736.3	6,495.8	2,118.2
Other	611.3	102.9	2,090.3
Recreational Boating And Marinas			.0
Resource Extraction	171.4	26.4
Silviculture (Forestry)	14.8
Spills/Dumping	9.7		.0
Unknown	5,371.4	91,409.3	2,106.1
Unspecified Nonpoint Source	1,883.7	88.4	260.6
Urban-Related Runoff/Stormwater	1,481.6	1,653.0	299.1

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Virginia TMDL Alternatives by Cause of Impairment 2008

Description of this table

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)
Dissolved Oxygen	2	6	1,381
Lead	1	7

Total: 3 TMDL Alternatives

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Virginia Previously Impaired Waters Now Attaining All Uses

Description of this table

NOTE: Click on the underlined "Number of Waters Attaining" value for a detailed list of those waters now attaining all uses.
Cycle Attaining	Number of Waters Attaining	Number of Causes of Impairment Addressed
2009	13	16

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Virginia Causes of Impairment for 303(d) Listed Waters

Description of this table

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
Pathogens	1,444
Organic Enrichment/Oxygen Depletion	977
Polychlorinated Biphenyls (PCBs)	821
Noxious Aquatic Plants	775
pH/Acidity/Caustic Conditions	162
Mercury	155
Cause Unknown - Impaired Biota	77
Salinity/Total Dissolved Solids/Chlorides/Sulfates	56
Temperature	52
Pesticides	26
Algal Growth	25
Metals (other than Mercury)	11
Nutrients	9
Total Toxics	3
Ammonia	2
Toxic Organics	2

Total: 4,597 Causes of Impairment

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Virginia Cumulative TMDLs by Pollutant

This chart includes TMDLs since October 1, 1995.

Description of this table

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
Fecal Coliform	299	302
Ammonia	147	147
Escherichia Coli (E. Coli)	117	117
Pathogens	107	109
Sediment	58	58
Benthic	49	49
Polychlorinated Biphenyls (PCBs)	35	35
Total Kjehldahl Nitrogen (TKN)	13	13
Dissolved Oxygen	12	12
Carbonaceous Bod	10	10
Phosphorus	10	10
Enterococcus Bacteria	9	9
Copper	8	8
Tributyltin	8	8
Total Dissolved Solids (TDS)	7	7
Cyanide	6	6
Organic Enrichment	6	6
Zinc	6	6
Biochemical Oxygen Demand (BOD)	4	4
Chlorine	4	4
Pentachlorophenol (PCP)	4	4
Whole Effluent Toxicity (WET)	4	4
Chlorides	3	3
Fecal	3	3
Nitrogen	3	3
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
Arsenic	1	1
Bacterial Slimes	1	1
Cadmium	1	1
Chloride	1	1
Chlorine, Residual (Chlorine Demand)	1	1
Chloroform	1	1
Chromium	1	1
Chromium VI	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
Phosphorus, Total	1	1
Polycyclic Aromatic Hydrocarbons (PAHs) (Aquatic Ecosystems)	1	1
Temperature	1	1
Toluene	1	1
Total Suspended Solids (TSS)	1	1
Xylene	1	1

Total: 979 TMDLs; 984 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

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
1998	4	4
1999	1	1
2000	3	3
2001	25	25
2002	188	188
2003	104	104
2004	137	137
2005	18	18
2006	212	213
2007	62	64
2008	135	137
2009	83	83
2010	7	7

Total: 979 TMDLs; 984 Causes of Impairment Addressed

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