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- West Virginia Assessment Summary
- Water Quality by Waterbody Type
- Causes of Impairment
- Probable Sources Contributing to Impairments
- TMDL Alternatives by Cause of Impairment
- Previously 303(d)-Listed Waters Now Attaining All Applicable Water Quality Standards
- Causes of Impairment for 303(d) Listed Waters
- Cumulative TMDLs by Pollutant
- Cumulative Number of TMDLs
Data are also available for these cycles:
2002
2004
2006
2010
Waterbody Changes from Prior Cycle
For More Information:
West Virginia Water Quality Assessment Report
Assessed Waters of West Virginia by Watershed
Search for a waterbody within West Virginia
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- How's My Waterway Local Search tool
- Pollution Categories Summary Document
Site-specific Targeted Monitoring Summary Results
West Virginia (2008)
Description of this table| Size of Water | |||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rivers and Streams (Miles) |
Lakes, Reservoirs, and Ponds (Acres) |
||||||||||||||
| Good Waters | 8,080.9 | 6,274.4 | |||||||||||||
| Previously impaired waters now attaining all uses |
75.6 | 17,076.0 | |||||||||||||
| Threatened Waters | |||||||||||||||
| TMDL completed | |||||||||||||||
| TMDL alternative | |||||||||||||||
| Non-pollutant impairment | |||||||||||||||
| TMDL needed | |||||||||||||||
| Impaired Waters | 10,173.9 | 15,229.0 | |||||||||||||
| TMDL completed | 3,981.1 | 193.0 | |||||||||||||
| TMDL alternative | 2.5 | ||||||||||||||
| Non-pollutant impairment | 34.7 | ||||||||||||||
| TMDL needed | 6,155.6 | 15,036.0 | |||||||||||||
| New TMDLs completed | 736.9 | .0 | |||||||||||||
| Remaining TMDLs needed | 5,418.7 | 15,036.0 | |||||||||||||
 |
|||||||||||||||
| Total Assessed Waters | 18,254.8 | 21,503.4 | |||||||||||||
| Total Waters | 32,278.0 | 22,373.0 | |||||||||||||
| Percent of Waters Assessed | 56.6 | 96.1 | |||||||||||||
Summary of Water Quality Assessments for Each Waterbody Type
for Reporting Year 2008
Site-specific Targeted Monitoring Results
West Virginia Rivers and Streams 2008
Description of this table
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Site-specific Targeted Monitoring Results
Individual Designated Use Support
West Virginia Rivers and Streams 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 |
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| Agriculture And Wildlife | 16,849.4 | 91.4 | .0 | 8.6 | |
| Public Water Supply | 16,227.6 | 56.4 | .0 | 43.6 | |
| Trout Waters | 3,303.5 | 60.1 | .0 | 39.9 | |
| Warm Water Fishery | 10,718.1 | 38.4 | .0 | 61.6 | |
| Water Contact Recreation | 16,027.7 | 62.7 | .0 | 37.3 | |
| Water Supply Industrial, Water Transport, Cooling And Power | 16,849.6 | 91.4 | .0 | 8.6 | |
Site-specific Targeted Monitoring Results
Causes of Impairment
West Virginia Rivers and Streams 2008
Description of this table
| Cause of Impairment | Cause of Impairment Group | Miles Threatened or Impaired |
|---|---|---|
| Benthic Macroinvertebrates Bioassessments | Cause Unknown - Impaired Biota | 5,152.1 |
| Fecal Coliform | Pathogens | 4,152.8 |
| Iron | Metals (other than Mercury) | 3,958.2 |
| Manganese | Metals (other than Mercury) | 1,543.6 |
| pH | pH/Acidity/Caustic Conditions | 1,378.1 |
| Polychlorinated Biphenyls (PCBs) | Polychlorinated Biphenyls (PCBs) | 1,056.4 |
| Aluminum | Metals (other than Mercury) | 936.6 |
| Mercury | Mercury | 669.0 |
| 2,3,7,8-Tetrachlorodibenzo-P-Dioxin (Only) | Dioxins | 359.2 |
| Zinc | Metals (other than Mercury) | 182.6 |
| Thermal Modifications | Temperature | 176.4 |
| Selenium | Metals (other than Mercury) | 160.0 |
| Low Flow Alterations | Flow Alteration(s) | 44.3 |
| Nitrogen, Nitrite | Nutrients | 30.7 |
| Dissolved Oxygen | Organic Enrichment/Oxygen Depletion | 23.4 |
| Lead | Metals (other than Mercury) | 23.3 |
| Chloride | Salinity/Total Dissolved Solids/Chlorides/Sulfates | 21.6 |
| Ammonia, Un-ionized | Ammonia | 5.4 |
| Temperature, Water | Temperature | 2.3 |
| Fluoride | Toxic Inorganics | .2 |
Site-specific Targeted Monitoring Results
Probable Sources
West Virginia Rivers and Streams 2008
No probable sources of impairments reported.
Site-specific Targeted Monitoring Results
West Virginia Lakes, Reservoirs, and Ponds 2008
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Site-specific Targeted Monitoring Results
Individual Designated Use Support
West Virginia Lakes, Reservoirs, and Ponds 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 |
|||||
| Agriculture And Wildlife | 7,002.4 | 99.9 | .0 | .1 | |
| Public Water Supply | 1,248.4 | 84.5 | .0 | 15.5 | |
| Trout Waters | 1,014.0 | 100.0 | .0 | .0 | |
| Warm Water Fishery | 1,258.4 | 84.7 | .0 | 15.3 | |
| Water Contact Recreation | 18,922.4 | 20.5 | .0 | 79.5 | |
| Water Supply Industrial, Water Transport, Cooling And Power | 7,002.4 | 99.9 | .0 | .1 | |
Site-specific Targeted Monitoring Results
Causes of Impairment
West Virginia Lakes, Reservoirs, and Ponds 2008
Description of this table
| Cause of Impairment | Cause of Impairment Group | Acres Threatened or Impaired |
|---|---|---|
| Mercury | Mercury | 12,018.0 |
| Polychlorinated Biphenyls (PCBs) | Polychlorinated Biphenyls (PCBs) | 9,198.0 |
| Sedimentation/Siltation | Sediment | 193.0 |
| Trophic State Index (TSI) | Nutrients | 100.0 |
| Iron | Metals (other than Mercury) | 54.0 |
| Dissolved Oxygen | Organic Enrichment/Oxygen Depletion | 8.0 |
Site-specific Targeted Monitoring Results
Probable Sources
West Virginia Lakes, Reservoirs, and Ponds 2008
No probable sources of impairments reported.
West 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. 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 | Size of Assessed Waters with Listed Causes of Impairment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Rivers and Streams (Miles) |
Lakes, Reservoirs, and Ponds (Acres) |
||||||||||||||
| Ammonia | 5.4 | ||||||||||||||
| Cause Unknown - Impaired Biota | 5,152.1 | ||||||||||||||
| Dioxins | 359.2 | ||||||||||||||
| Flow Alteration(s) | 44.3 | ||||||||||||||
| Mercury | 669.0 | 12,018.0 | |||||||||||||
| Metals (other than Mercury) | 4,455.6 | 54.0 | |||||||||||||
| Nutrients | 30.7 | 100.0 | |||||||||||||
| Organic Enrichment/Oxygen Depletion | 23.4 | 8.0 | |||||||||||||
| Pathogens | 4,152.8 | ||||||||||||||
| pH/Acidity/Caustic Conditions | 1,378.1 | ||||||||||||||
| Polychlorinated Biphenyls (PCBs) | 1,056.4 | 9,198.0 | |||||||||||||
| Salinity/Total Dissolved Solids/Chlorides/Sulfates | 21.6 | ||||||||||||||
| Sediment | 193.0 | ||||||||||||||
| Temperature | 178.7 | ||||||||||||||
| Toxic Inorganics | .2 | ||||||||||||||
West Virginia Probable Sources Contributing to Impairments
for Reporting Year 2008
No probable sources reported.
West 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) |
||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Fluoride |  1 |
0 | ||||||||||||
Total: 1 TMDL Alternatives
West Virginia Previously 303(d)-Listed Waters Now Attaining All Applicable Water Quality Standards
Description of this table| 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 |
|---|---|---|
| 2011 | 10 |
11 |
West 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 |
|---|---|
| Cause Unknown - Impaired Biota | 605 |
| Metals (other than Mercury) | 442 |
| Pathogens | 325 |
| pH/Acidity/Caustic Conditions | 157 |
| Polychlorinated Biphenyls (PCBs) | 52 |
| Mercury | 26 |
| Dioxins | 25 |
| Salinity/Total Dissolved Solids/Chlorides/Sulfates | 7 |
| Organic Enrichment/Oxygen Depletion | 1 |
| Nutrients | 1 |
Total: 1,641 Causes of Impairment
West 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 |
|---|---|---|
| Iron |  1,261 |
1,295 |
| Fecal Coliform | 675 |
737 |
| Aluminum | 540 |
568 |
| Manganese | 402 |
402 |
| pH | 392 |
415 |
| Sediment | 83 |
83 |
| Biological | 80 |
84 |
| Acid | 27 |
27 |
| Selenium | 18 |
18 |
| Organic Enrichment | 13 |
13 |
| Chloride | 7 |
7 |
| Polychlorinated Biphenyls (PCBs) | 7 |
7 |
| Phosphorus | 6 |
6 |
| Dioxin | 5 |
5 |
| Organic Enrichment (Sewage) Biological Indicators | 4 |
4 |
| Biology | 2 |
2 |
| Biological Impairment | 1 |
1 |
| Carbonaceous Bod | 1 |
1 |
| Dissolved Oxygen | 1 |
1 |
| Fecal | 1 |
1 |
| Lead | 1 |
1 |
| Mercury | 1 |
1 |
| Nitrogenous BOD | 1 |
1 |
| Sedimentation | 1 |
1 |
| Zinc | 1 |
1 |
Total: 3,531 TMDLs; 3,682 Causes of Impairment Addressed
West 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 | 11 |
11 |
| 1999 | 24 |
24 |
| 2000 | 4 |
4 |
| 2001 | 491 |
491 |
| 2002 | 651 |
651 |
| 2004 | 186 |
186 |
| 2005 | 224 |
294 |
| 2006 | 346 |
402 |
| 2008 | 241 |
247 |
| 2009 | 384 |
395 |
| 2011 | 283 |
285 |
| 2012 | 625 |
625 |
| 2013 | 61 |
67 |
Total: 3,531 TMDLs; 3,682 Causes of Impairment Addressed