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Assessment Data for the State of District Of Columbia Year 2002
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Impaired Water Information
Other Water Assessment Information
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State of District Of Columbia websites: | State 305(b) Water Quality Assessment Report(s) |
| State Water Quality Program |
Search for a Waterbody within District Of Columbia
Total Assessed Waters for the State of District Of Columbia
Description of this table| Size Of Water | ||||||||
|---|---|---|---|---|---|---|---|---|
| Rivers, Streams, Creeks (Miles) | Lakes, Ponds, Reservoir (Acres) | Bays, Estuaries (Square Miles) | Coastal Shorelines (Miles) | Oceans, Near Coastal Waters (Square Miles) | Wetlands (Acres) | Great Lakes Shoreline (Miles) | Great Lakes Open Water (Square Miles) | |
| Total Assessed Waters | 38.40 | 238.40 | 5.93 | .00 | .00 | .00 | .00 | .00 |
| Estimated Total Water Size in DC | 39.00 | 238.40 | 6.00 | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable |
| Percent of Waters Assessed | 98.46 | 100.00 | 98.83 | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable |
Assessed Waters of District Of Columbia by Watershed
Description of this table| Watershed | Size of Water | |||||||
|---|---|---|---|---|---|---|---|---|
| Rivers, Streams, Creeks (Miles) | Lakes, Ponds, Reservoir (Acres) | Bays, Estuaries (Square Miles) | Coastal Shorelines (Miles) | Oceans, Near Coastal Waters (Square Miles) | Wetlands (Acres) | Great Lakes Shoreline (Miles) | Great Lakes Open Water (Square Miles) | |
| MIDDLE POTOMAC-ANACOSTIA-OCCOQUAN | 36.70 | 238.40 | 5.93 | .00 | .00 | .00 | .00 | .00 |
| Name Not Reported | 1.70 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
District Of Columbia Assessed Waters
Individual Use Support for Rivers and Streams
Description of this table
| State Designated Use | Total Miles Assessed | Percent Good | Percent Threatened | Percent Impaired |  % Good |
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|---|---|---|---|---|---|---|
 % Threatened |
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 % Impaired |
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Fish, Shellfish, and Wildlife Protection and Propagation | 3.40 | .00 | .00 | 100.00 | |
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Recreation | 38.40 | .00 | .00 | 100.00 | |
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Aquatic Life Harvesting | 26.60 | .00 | .00 | 100.00 | |
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Other | 38.40 | 100.00 | .00 | .00 | |
District Of Columbia Assessed Waters
Water Quality Attainment for Rivers and Streams
Description of this table
| Attainment Status | Miles | Percent of Assessed |
| Good | .00 | .00 |
| Threatened | .00 | .00 |
| Impaired | 38.40 | 100.00 |
| Total Miles Assessed | 38.40 | 100.00 |
District Of Columbia Top Causes of Impairments
for Rivers and Streams
Description of this table
| # | State Cause Name | Total Miles Impaired |
|---|---|---|
| 1 | TOTAL FECAL COLIFORM | 27.70 |
| 2 | OIL AND GREASE | 1.70 |
District Of Columbia Top Probable Sources of Impairments
for Rivers and Streams
Description of this table
| # | State Source Name | Total Miles Impaired by Source |
|---|---|---|
| 1 | DISCHARGES FROM MUNICIPAL SEPARATE STORM SEWER SYSTEMS (MS4) | 23.30 |
| 2 | SOURCE UNKNOWN | 15.90 |
| 3 | COMBINED SEWER OVERFLOWS | 9.50 |
| 4 | MUNICIPAL (URBANIZED HIGH DENSITY AREA) | 4.40 |
| 5 | MUNICIPAL POINT SOURCE DISCHARGES | .90 |
| 6 | ABOVE GROUND STORAGE TANK LEAKS (TANK FARMS) | .90 |
| 7 | LANDFILLS | .60 |
District Of Columbia Assessed Waters
Individual Use Support for Lakes, Ponds and Reservoirs
Description of this table
| State Designated Use | Total Acres Assessed | Percent Good | Percent Threatened | Percent Impaired | % Good |
|
|---|---|---|---|---|---|---|
| % Threatened |
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| % Impaired |
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Fish, Shellfish, and Wildlife Protection and Propagation | 130.00 | 21.00 | .00 | 79.00 | |
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Recreation | 238.40 | .00 | .00 | 100.00 | |
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Aquatic Life Harvesting | 238.40 | .00 | .00 | 100.00 | |
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Other | 238.40 | 100.00 | .00 | .00 | |
District Of Columbia Assessed Waters
Water Quality Attainment for Lakes, Ponds and Reservoirs
Description of this table
| Attainment Status | Acres | Percent of Assessed |
| Good | .00 | .00 |
| Threatened | .00 | .00 |
| Impaired | 238.40 | 100.00 |
| Total Acres Assessed | 238.40 | 100.00 |
District Of Columbia Top Causes of Impairments
for Lakes, Ponds and Reservoirs
Description of this table
| # | State Cause Name | Total Acres Impaired |
|---|---|---|
| 1 | TOTAL FECAL COLIFORM | 238.40 |
| 2 | OXYGEN, DISSOLVED | 102.70 |
| 3 | SEDIMENTATION/SILTATION | 102.70 |
| 4 | SOLIDS (SUSPENDED/BEDLOAD) | 102.70 |
| 5 | OIL AND GREASE | 102.70 |
District Of Columbia Top Probable Sources of Impairments
for Lakes, Ponds and Reservoirs
Description of this table
| # | State Source Name | Total Acres Impaired by Source |
|---|---|---|
| 1 | DISCHARGES FROM MUNICIPAL SEPARATE STORM SEWER SYSTEMS (MS4) | 238.40 |
| 2 | COMBINED SEWER OVERFLOWS | 102.70 |
District Of Columbia Assessed Waters
Individual Use Support for Bays and Estuaries
Description of this table
| State Designated Use | Total Square Miles Assessed | Percent Good | Percent Threatened | Percent Impaired | % Good |
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|---|---|---|---|---|---|---|
| % Threatened |
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| % Impaired |
||||||
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Fish, Shellfish, and Wildlife Protection and Propagation | 5.13 | 100.00 | .00 | .00 | |
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Recreation | 5.93 | .00 | .00 | 100.00 | |
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Aquatic Life Harvesting | 5.93 | .00 | .00 | 100.00 | |
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Other | 5.93 | 100.00 | .00 | .00 | |
District Of Columbia Assessed Waters
Water Quality Attainment for Bays and Estuaries
Description of this table
| Attainment Status | Square Miles | Percent of Assessed |
| Good | .00 | .00 |
| Threatened | .00 | .00 |
| Impaired | 5.93 | 100.00 |
| Total Square Miles Assessed | 5.93 | 100.00 |
District Of Columbia Top Causes of Impairments
for Bays and Estuaries
Description of this table
| # | State Cause Name | Total Square Miles Impaired |
|---|---|---|
| 1 | TOTAL FECAL COLIFORM | 5.93 |
| 2 | OIL AND GREASE | .80 |
District Of Columbia Top Probable Sources of Impairments
for Bays and Estuaries
Description of this table
| # | State Source Name | Total Square Miles Impaired by Source |
|---|---|---|
| 1 | COMBINED SEWER OVERFLOWS | 5.63 |
| 2 | DISCHARGES FROM MUNICIPAL SEPARATE STORM SEWER SYSTEMS (MS4) | 5.53 |
| 3 | MUNICIPAL POINT SOURCE DISCHARGES | 4.43 |
| 4 | SOURCE UNKNOWN | 1.68 |
| 5 | HIGHWAY/ROAD/BRIDGE RUNOFF (NON-CONSTRUCTION RELATED) | .80 |
| 6 | PETROLEUM/NATURAL GAS PRODUCTION ACTIVITIES (PERMITTED) | .80 |
| 7 | MUNICIPAL (URBANIZED HIGH DENSITY AREA) | .40 |
District Of Columbia
Causes of Impairment
Description of this table| State Cause Name | Size of Assessed Waters with Listed Causes of Impairment | |||||||
|---|---|---|---|---|---|---|---|---|
| Rivers, Streams, Creeks (Miles) | Lakes, Ponds, Reservoir (Acres) | Bays, Estuaries (Square Miles) | Coastal Shorelines (Miles) | Oceans, Near Coastal Waters (Square Miles) | Wetlands (Acres) | Great Lakes Shoreline (Miles) | Great Lakes Open Waters (Squar Miles) | |
| TOTAL FECAL COLIFORM | 27.70 | 238.40 | 5.93 | .00 | .00 | .00 | .00 | .00 |
| SOLIDS (SUSPENDED/BEDLOAD) | .00 | 102.70 | .00 | .00 | .00 | .00 | .00 | .00 |
| OIL AND GREASE | 1.70 | 102.70 | .80 | .00 | .00 | .00 | .00 | .00 |
| SEDIMENTATION/SILTATION | .00 | 102.70 | .00 | .00 | .00 | .00 | .00 | .00 |
| OXYGEN, DISSOLVED | .00 | 102.70 | .00 | .00 | .00 | .00 | .00 | .00 |
District Of Columbia
Probable Sources Contributing to Impairment
Description of this table| State Source Name | Size of Assessed Waters with Probable Sources of Impairment | |||||||
|---|---|---|---|---|---|---|---|---|
| Rivers, Streams, Creeks (Miles) | Lakes, Ponds, Reservoir (Acres) | Bays, Estuaries (Square Miles) | Coastal Shorelines (Miles) | Oceans, Near Coastal Waters (Square Miles) | Wetlands (Acres) | Great Lakes Shoreline (Miles) | Great Lakes Open Waters (Square Miles) | |
| MUNICIPAL (URBANIZED HIGH DENSITY AREA) | 4.40 | .00 | .40 | .00 | .00 | .00 | .00 | .00 |
| DISCHARGES FROM MUNICIPAL SEPARATE STORM SEWER SYSTEMS (MS4) | 23.30 | 238.40 | 5.53 | .00 | .00 | .00 | .00 | .00 |
| LANDFILLS | .60 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HIGHWAY/ROAD/BRIDGE RUNOFF (NON-CONSTRUCTION RELATED) | .00 | .00 | .80 | .00 | .00 | .00 | .00 | .00 |
| PETROLEUM/NATURAL GAS PRODUCTION ACTIVITIES (PERMITTED) | .00 | .00 | .80 | .00 | .00 | .00 | .00 | .00 |
| COMBINED SEWER OVERFLOWS | 9.50 | 102.70 | 5.63 | .00 | .00 | .00 | .00 | .00 |
| MUNICIPAL POINT SOURCE DISCHARGES | .90 | .00 | 4.43 | .00 | .00 | .00 | .00 | .00 |
| ABOVE GROUND STORAGE TANK LEAKS (TANK FARMS) | .90 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SOURCE UNKNOWN | 15.90 | .00 | 1.68 | .00 | .00 | .00 | .00 | .00 |
