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Assessment Data for the State of Maine Year 2002
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Impaired Water Information
Other Water Assessment Information
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State of Maine websites: | State 305(b) Water Quality Assessment Report(s) |
| State Water Quality Program |
Search for a Waterbody within Maine
Total Assessed Waters for the State of Maine
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 | 2,205.56 | 916,729.00 | .00 | .00 | .28 | .00 | .00 | .00 |
| Estimated Total Water Size in ME | 31,752.00 | 987,283.00 | 2,852.00 | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable |
| Percent of Waters Assessed | 6.95 | 92.85 | .00 | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable |
Assessed Waters of Maine 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) | |
| ALLAGASH | .00 | 30,142.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| AROOSTOOK | 87.07 | 22,520.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DEAD | .00 | 30,410.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| EAST BRANCH PENOBSCOT | 355.70 | 38,258.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| FISH | 34.50 | 34,460.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER ANDROSCOGGIN | 181.81 | 28,223.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER KENNEBEC | 187.91 | 61,514.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER PENOBSCOT | 136.43 | 44,777.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MAINE COASTAL | 19.90 | 85,129.00 | .00 | .00 | .28 | .00 | .00 | .00 |
| MATTAWAMKEAG | .00 | 24,260.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MEDUXNEKEAG | 207.46 | 3,105.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PISCATAQUA-SALMON FALLS | 59.22 | 6,005.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PISCATAQUIS | 15.50 | 40,950.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PRESUMPSCOT | 148.15 | 46,929.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SACO | 24.37 | 11,588.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ST. CROIX | .00 | 98,845.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ST. GEORGE-SHEEPSCOT | 28.29 | 19,502.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER ANDROSCOGGIN | .00 | 53,618.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER KENNEBEC | .00 | 105,948.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER ST. JOHN | 353.82 | 12,559.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| WEST BRANCH PENOBSCOT | 365.43 | 117,987.00 | .00 | .00 | .00 | .00 | .00 | .00 |
Maine 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 |
|
|---|---|---|---|---|---|---|
 % Threatened |
||||||
 % Impaired |
||||||
 |
Fish, Shellfish, and Wildlife Protection and Propagation | 2,205.56 | 48.59 | .00 | 51.41 | |
Maine Assessed Waters
Water Quality Attainment for Rivers and Streams
Description of this table
| Attainment Status | Miles | Percent of Assessed |
| Good | 1,071.77 | 48.59 |
| Threatened | .00 | .00 |
| Impaired | 1,133.79 | 51.41 |
| Total Miles Assessed | 2,205.56 | 100.00 |
Maine Top Causes of Impairments
for Rivers and Streams
Description of this table
| # | State Cause Name | Total Miles Impaired |
|---|---|---|
| 1 | UNIDENTIFIED IMPAIRMENT | 1,272.54 |
| 2 | DIOXIN (INCLUDING 2,3,7,8-TCDD) | 347.59 |
| 3 | OXYGEN, DISSOLVED | 328.16 |
| 4 | DDT | 211.14 |
| 5 | NUTRIENT/EUTROPHICATION BIOLOGICAL INDICATORS | 136.30 |
| 6 | BACTERIA | 116.55 |
| 7 | PCBS | 51.41 |
| 8 | METALS | 6.14 |
| 9 | ESCHERICHIA COLI | 3.53 |
| 10 | IRON | 2.00 |
Maine Top Probable Sources of Impairments
for Rivers and Streams
Description of this table
| # | State Source Name | Total Miles Impaired by Source |
|---|---|---|
| 1 | OTHER RECREATIONAL POLLUTION SOURCES | 800.03 |
| 2 | AQUACULTURE (PERMITTED) | 388.43 |
| 3 | SOURCE UNKNOWN | 382.11 |
| 4 | ANIMAL FEEDING OPERATIONS (NPS) | 336.11 |
| 5 | NON-POINT SOURCE | 190.24 |
| 6 | COMBINED SEWER OVERFLOWS | 142.72 |
| 7 | MUNICIPAL POINT SOURCE DISCHARGES | 116.10 |
| 8 | INDUSTRIAL POINT SOURCE DISCHARGE | 80.33 |
| 9 | COMMERICAL DISTRICTS (SHOPPING/OFFICE COMPLEXES) | 62.50 |
| 10 | SITE CLEARANCE (LAND DEVELOPMENT OR REDEVELOPMENT) | 59.30 |
Maine 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 |
||||||
| % Impaired |
||||||
|
Fish, Shellfish, and Wildlife Protection and Propagation | 916,729.00 | 87.65 | .00 | 12.35 | |
Maine Assessed Waters
Water Quality Attainment for Lakes, Ponds and Reservoirs
Description of this table
| Attainment Status | Acres | Percent of Assessed |
| Good | 803,550.00 | 87.65 |
| Threatened | .00 | .00 |
| Impaired | 113,179.00 | 12.35 |
| Total Acres Assessed | 916,729.00 | 100.00 |
Maine Top Causes of Impairments
for Lakes, Ponds and Reservoirs
Description of this table
| # | State Cause Name | Total Acres Impaired |
|---|---|---|
| 1 | METHYL MERCURY | 22,835.00 |
| 2 | ORGANIC ENRICHMENT | 17,791.00 |
| 3 | NUTRIENTS | 15,624.00 |
| 4 | SILTATION | 13,807.00 |
Maine Top Probable Sources of Impairments
for Lakes, Ponds and Reservoirs
Description of this table
| # | State Source Name | Total Acres Impaired by Source |
|---|---|---|
| 1 | ATMOSPHERIC DEPOSITION | 22,835.00 |
| 2 | SHORELINE DEVELOPMENT | 21,797.00 |
| 3 | CROP PRODUCTION | 11,054.00 |
| 4 | GRAZING RELATED SOURCES | 7,809.00 |
| 5 | INTERNAL NUTRIENT CYCLING | 3,281.00 |
| 6 | NONIRRIGATED CROP PRODUCTION | 2,399.00 |
| 7 | INTENSIVE ANIMAL FEEDING OPERATIONS | 1,962.00 |
| 8 | HAZARDOUS WASTE | 1,420.00 |
| 9 | URBAN RUNOFF | 1,420.00 |
| 10 | RESIDENTIAL DEVELOPMENT | 900.00 |
Maine 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 |
|
|---|---|---|---|---|---|---|
| % Threatened |
||||||
| % Impaired |
||||||
|
Fish, Shellfish, and Wildlife Protection and Propagation | .00 | 100.00 | .00 | .00 | |
Maine Assessed Waters
Water Quality Attainment for Bays and Estuaries
Description of this table
| Attainment Status | Square Miles | Percent of Assessed |
| Good | .00 | 100.00 |
| Threatened | .00 | .00 |
| Impaired | .00 | .00 |
| Total Square Miles Assessed | .00 | 100.00 |
Maine Top Causes of Impairments
for Bays and Estuaries
No Causes for Impairment Reported.
Maine Top Probable Sources of Impairments
for Bays and Estuaries
No Probable Sources Reported.
Maine Assessed Waters
Individual Use Support for Oceans, and Near Coastal
Description of this table
| State Designated Use | Total Square Miles Assessed | Percent Good | Percent Threatened | Percent Impaired | % Good |
|
|---|---|---|---|---|---|---|
| % Threatened |
||||||
| % Impaired |
||||||
|
Fish, Shellfish, and Wildlife Protection and Propagation | .28 | 100.00 | .00 | .00 | |
Maine Assessed Waters
Water Quality Attainment for Oceans, and Near Coastal
Description of this table
| Attainment Status | Square Miles | Percent of Assessed |
| Good | .28 | 100.00 |
| Threatened | .00 | .00 |
| Impaired | .00 | .00 |
| Total Square Miles Assessed | .28 | 100.00 |
Maine Top Causes of Impairments
for Oceans, and Near Coastal
No Causes for Impairment Reported.
Maine Top Probable Sources of Impairments
for Oceans, and Near Coastal
No Probable Sources Reported.
Maine
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) | |
| UNIDENTIFIED IMPAIRMENT | 1,272.54 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| METALS | 6.14 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SILTATION | .00 | 13,807.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PCBS | 51.41 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NUTRIENT/EUTROPHICATION BIOLOGICAL INDICATORS | 136.30 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DIOXIN (INCLUDING 2,3,7,8-TCDD) | 347.59 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| METHYL MERCURY | .00 | 22,835.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ESCHERICHIA COLI | 3.53 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| IRON | 2.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NUTRIENTS | .00 | 15,624.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PH | 1.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DDT | 211.14 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BACTERIA | 116.55 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| OXYGEN, DISSOLVED | 328.16 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ORGANIC ENRICHMENT | .00 | 17,791.00 | .00 | .00 | .00 | .00 | .00 | .00 |
Maine
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) | |
| CONFINED ANIMAL FEEDING OPERATIONS | .00 | 36.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ILLEGAL DUMPS OR OTHER INAPPROPRIATE WASTE DISPOSAL | 20.47 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SHORELINE DEVELOPMENT | .00 | 21,797.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NONIRRIGATED CROP PRODUCTION | .00 | 2,399.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| IMPACTS FROM ABANDONED MINE LANDS (INACTIVE) | 2.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SITE CLEARANCE (LAND DEVELOPMENT OR REDEVELOPMENT) | 59.30 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NON-POINT SOURCE | 190.24 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NON-METALS MINING DISCHARGES (PERMITTED) | 1.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| COMMERICAL DISTRICTS (SHOPPING/OFFICE COMPLEXES) | 62.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| IMPACTS FROM HYDROSTRUCTURE FLOW REGULATION/MODIFICATION | 16.14 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HAZARDOUS WASTE | .00 | 1,420.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ATMOSPHERIC DEPOSITION | .00 | 22,835.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| AQUACULTURE (PERMITTED) | 388.43 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOSS OF RIPARIAN HABITAT | 49.84 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ANIMAL FEEDING OPERATIONS (NPS) | 336.11 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| INTENSIVE ANIMAL FEEDING OPERATIONS | .00 | 1,962.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| OTHER RECREATIONAL POLLUTION SOURCES | 800.03 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| RESIDENTIAL DEVELOPMENT | .00 | 900.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| FLOW ALTERATIONS FROM WATER DIVERSIONS | 37.49 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NPS POLLUTION FROM MILITARY BASE FACILITIES (OTHER THAN PORT FACILITIES) | 3.09 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LANDFILL | .00 | 29.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MINE TAILINGS | 1.34 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MUNICIPAL POINT SOURCE DISCHARGES | 116.10 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| COMBINED SEWER OVERFLOWS | 142.72 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| INDUSTRIAL LAND TREATMENT | .00 | 400.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| URBAN RUNOFF | .00 | 1,420.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CROP PRODUCTION | .00 | 11,054.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| INTERNAL NUTRIENT CYCLING | .00 | 3,281.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| INDUSTRIAL POINT SOURCE DISCHARGE | 80.33 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SOURCE UNKNOWN | 382.11 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| GRAZING RELATED SOURCES | .00 | 7,809.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CERCLA NPL (SUPERFUND) SITES | 48.63 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
