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Assessment Data for the State of New Hampshire Year 2004
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| NOTE: "In New Hampshire, all surface waters are listed as impaired for fish/shellfish consumption due to a statewide fish consumption advisory that is in effect because of elevated mercury levels in fish tissue. Excluding the statewide mercury fish/shellfish consumption advisory, the number of impaired waters is significantly less. To see assessment summaries that exclude the statewide mercury fish consumption advisory, see New Hampshire's Water Quality Assessment website. " |
State of New Hampshire websites: | State 305(b) Water Quality Assessment Report(s) |
| State Water Quality Program |
Search for a Waterbody within New Hampshire
Total Assessed Waters for the State of New Hampshire
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) | Inland Lake Shoreline (Miles) | |
| Total Assessed Waters | 9,612.45 | 186,361.57 | 17.70 | .00 | 70.20 | .00 | .00 | .00 | .00 |
| Estimated Total Water Size in NH | 9,612.45 | 186,361.57 | 17.70 | Unavailable | 70.20 | Unavailable | Unavailable | Unavailable | Unavailable |
| Percent of Waters Assessed | 100.00 | 100.00 | 100.00 | Unavailable | 100.00 | Unavailable | Unavailable | Unavailable | Unavailable |
Assessed Waters of New Hampshire by Watershed (8 Digit USGS Cataloging Unit)
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) | Inland Lake Shoreline (Miles) | |
| 01070006 | 1,664.46 | 20,532.39 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| 8-digit HUC Name Not Reported | 7.84 | 56.59 | .85 | .00 | .67 | .00 | .00 | .00 | .00 |
| BLACK-OTTAUQUECHEE | 948.53 | 12,753.77 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CONTOOCOOK | 967.55 | 12,388.32 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER ANDROSCOGGIN | 57.58 | 3.30 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MERRIMACK | 320.75 | 56,913.83 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MIDDLE CONNECTICUT | 617.10 | 4,414.22 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MILLER | 75.30 | 2,232.48 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NASHUA | 101.90 | 587.16 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PEMIGEWASSET | 1,122.79 | 17,086.82 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PISCATAQUA-SALMON FALLS | 933.80 | 10,630.47 | 16.85 | .00 | 69.54 | .00 | .00 | .00 | .00 |
| SACO | 844.89 | 12,842.66 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER ANDROSCOGGIN | 397.50 | 10,692.35 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER CONNECTICUT | 657.49 | 12,516.76 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER CONNECTICUT-MASCOMA | 161.09 | 2,784.15 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| WAITS | 426.49 | 10,819.42 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| WEST | 333.39 | 3,121.89 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
New Hampshire 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 |
|||||
| AQUATIC LIFE | 1,267.34 | 12.83 | 1.02 | 86.15 | |
| DRINKING WATER AFTER ADEQUATE TREATMENT | 330.66 | 100.00 | .00 | .00 | |
| FISH CONSUMPTION | 9,612.45 | .00 | .00 | 100.00 | |
| PRIMARY CONTACT RECREATION | 1,335.52 | 66.73 | .00 | 33.27 | |
| SECONDARY CONTACT RECREATION | 1,305.04 | 97.29 | .00 | 2.71 | |
New Hampshire 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 | 9,612.45 | 100.00 |
| Total Miles Assessed | 9,612.45 | 100.00 |
New Hampshire Top Causes of Impairments
for Rivers and Streams
Description of this table
| # | State Cause Name | Total Miles Impaired |
|---|---|---|
| 1 | MERCURY | 9,612.45 |
| 2 | PH | 877.38 |
| 3 | BACTERIA, ESCHERICHIA COLI | 422.19 |
| 4 | POLYCHLORINATED BIPHENYLS | 176.05 |
| 5 | OXYGEN, DISSOLVED | 149.80 |
| 6 | ALUMINUM | 104.48 |
| 7 | BENTHIC-MACROINVERTEBRATE BIOASSESSMENTS (STREAMS) | 100.91 |
| 8 | DISSOLVED OXYGEN SATURATION | 81.88 |
| 9 | HABITAT ASSESSMENT (STREAMS) | 59.02 |
| 10 | NON-NATIVE AQUATIC PLANTS | 34.92 |
New Hampshire Top Probable Sources of Impairments
for Rivers and Streams
Description of this table
| # | State Source Name | Total Miles Impaired by Source |
|---|---|---|
| 1 | ATMOSPHERIC DEPOSITON - TOXICS | 9,612.45 |
| 2 | SOURCE UNKNOWN | 1,311.22 |
| 3 | COMBINED SEWER OVERFLOWS | 49.50 |
| 4 | ILLICIT CONNECTIONS/HOOK-UPS TO STORM SEWERS | 29.30 |
| 5 | INDUSTRIAL POINT SOURCE DISCHARGE | 27.32 |
| 6 | LANDFILLS | 26.53 |
| 7 | MUNICIPAL POINT SOURCE DISCHARGES | 18.92 |
| 8 | STREAMBANK MODIFICATIONS/DESTABLIZATION | 15.67 |
| 9 | MUNICIPAL (URBANIZED HIGH DENSITY AREA) | 11.62 |
| 10 | HIGHWAY/ROAD/BRIDGE RUNOFF (NON-CONSTRUCTION RELATED) | 9.55 |
New Hampshire 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 |
|||||
| AQUATIC LIFE | 87,976.73 | 8.88 | .01 | 91.12 | |
| DRINKING WATER AFTER ADEQUATE TREATMENT | 13,991.23 | 93.41 | .00 | 6.59 | |
| FISH CONSUMPTION | 186,361.57 | .00 | .00 | 100.00 | |
| PRIMARY CONTACT RECREATION | 95,309.92 | 97.41 | .00 | 2.59 | |
| SECONDARY CONTACT RECREATION | 94,145.12 | 99.97 | .00 | .03 | |
New Hampshire 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 | 186,361.57 | 100.00 |
| Total Acres Assessed | 186,361.57 | 100.00 |
New Hampshire Top Causes of Impairments
for Lakes, Ponds and Reservoirs
Description of this table
| # | State Cause Name | Total Acres Impaired |
|---|---|---|
| 1 | MERCURY | 186,361.57 |
| 2 | NON-NATIVE AQUATIC PLANTS | 69,078.47 |
| 3 | POLYCHLORINATED BIPHENYLS | 14,719.90 |
| 4 | PH | 12,590.24 |
| 5 | BACTERIA, ESCHERICHIA COLI | 1,278.26 |
| 6 | EXCESS ALGAL GROWTH | 921.40 |
| 7 | DISSOLVED OXYGEN SATURATION | 892.10 |
| 8 | CYANOBACTERIA HEPATOTOXIC MICROCYSTINS | 701.36 |
| 9 | OTHER FLOW REGIME ALTERATIONS | 520.00 |
| 10 | CHLOROPHYLL-A | 495.19 |
New Hampshire Top Probable Sources of Impairments
for Lakes, Ponds and Reservoirs
Description of this table
| # | State Source Name | Total Acres Impaired by Source |
|---|---|---|
| 1 | ATMOSPHERIC DEPOSITON - TOXICS | 186,361.57 |
| 2 | SOURCE UNKNOWN | 86,247.15 |
| 3 | ATMOSPHERIC DEPOSITON - ACIDITY | 11,376.36 |
| 4 | COMBINED SEWER OVERFLOWS | 562.00 |
| 5 | TRANSFER OF WATER FROM AN OUTSIDE WATERSHED | 548.00 |
| 6 | LITTORAL/SHORE AREA MODIFICATIONS (NON-RIVERINE) | 520.00 |
| 7 | MUNICIPAL (URBANIZED HIGH DENSITY AREA) | 465.00 |
| 8 | INDUSTRIAL POINT SOURCE DISCHARGE | 407.10 |
| 9 | ILLICIT CONNECTIONS/HOOK-UPS TO STORM SEWERS | 238.50 |
| 10 | ON-SITE TREATMENT SYSTEMS (SEPTIC SYSTEMS AND SIMILAR DECENCENTRALIZED SYSTEMS) | 222.00 |
New Hampshire 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 |
|||||
| AQUATIC LIFE | 9.19 | 73.59 | .95 | 25.46 | |
| FISH CONSUMPTION | 17.70 | .00 | .00 | 100.00 | |
| PRIMARY CONTACT RECREATION | 12.84 | 67.43 | .00 | 32.57 | |
| SECONDARY CONTACT RECREATION | 13.49 | 98.88 | .00 | 1.12 | |
| SHELLFISHING | 17.70 | .00 | .00 | 100.00 | |
New Hampshire 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 | 17.70 | 100.00 |
| Total Square Miles Assessed | 17.70 | 100.00 |
New Hampshire Top Causes of Impairments
for Bays and Estuaries
Description of this table
| # | State Cause Name | Total Square Miles Impaired |
|---|---|---|
| 1 | POLYCHLORINATED BIPHENYLS | 17.70 |
| 2 | DIOXIN (INCLUDING 2,3,7,8-TCDD) | 17.70 |
| 3 | MERCURY | 17.70 |
| 4 | ENTEROCOCCUS | 4.18 |
| 5 | FECAL COLIFORM | 3.43 |
| 6 | OTHER FLOW REGIME ALTERATIONS | 1.24 |
| 7 | DISSOLVED OXYGEN SATURATION | 1.10 |
| 8 | CHLOROPHYLL-A | .47 |
New Hampshire Top Probable Sources of Impairments
for Bays and Estuaries
Description of this table
| # | State Source Name | Total Square Miles Impaired by Source |
|---|---|---|
| 1 | ATMOSPHERIC DEPOSITON - TOXICS | 17.70 |
| 2 | SOURCE UNKNOWN | 17.70 |
| 3 | WET WEATHER DISCHARGES (POINT SOURCE AND COMBINATION OF STORMWATER, SSO OR CSO) | 2.66 |
| 4 | COMBINED SEWER OVERFLOWS | 1.73 |
| 5 | LITTORAL/SHORE AREA MODIFICATIONS (NON-RIVERINE) | 1.24 |
| 6 | SANITARY SEWER OVERFLOWS (COLLECTION SYSTEM FAILURES) | 1.10 |
| 7 | UNPERMITTED DISCHARGE (DOMESTIC WASTES) | .88 |
| 8 | ANIMAL FEEDING OPERATIONS (NPS) | .47 |
| 9 | ILLICIT CONNECTIONS/HOOK-UPS TO STORM SEWERS | .36 |
New Hampshire 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 CONSUMPTION | 70.20 | .00 | .00 | 100.00 | |
| PRIMARY CONTACT RECREATION | 4.27 | 90.86 | .00 | 9.14 | |
| SECONDARY CONTACT RECREATION | 3.99 | 97.99 | .00 | 2.01 | |
| SHELLFISHING | 70.20 | .00 | .00 | 100.00 | |
New Hampshire Assessed Waters
Water Quality Attainment for Oceans, and Near Coastal
Description of this table
| Attainment Status | Square Miles | Percent of Assessed |
| Good | .00 | .00 |
| Threatened | .00 | .00 |
| Impaired | 70.20 | 100.00 |
| Total Square Miles Assessed | 70.20 | 100.00 |
New Hampshire Top Causes of Impairments
for Oceans, and Near Coastal
Description of this table
| # | State Cause Name | Total Square Miles Impaired |
|---|---|---|
| 1 | POLYCHLORINATED BIPHENYLS | 70.20 |
| 2 | DIOXIN (INCLUDING 2,3,7,8-TCDD) | 70.20 |
| 3 | MERCURY | 70.20 |
| 4 | ENTEROCOCCUS | .39 |
| 5 | FECAL COLIFORM | .21 |
New Hampshire Top Probable Sources of Impairments
for Oceans, and Near Coastal
Description of this table
| # | State Source Name | Total Square Miles Impaired by Source |
|---|---|---|
| 1 | ATMOSPHERIC DEPOSITON - TOXICS | 70.20 |
| 2 | SOURCE UNKNOWN | 70.20 |
| 3 | WATERFOWL | .05 |
| 4 | UNPERMITTED DISCHARGE (DOMESTIC WASTES) | .05 |
New Hampshire
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 (Square Miles) | Inland Lake Shoreline (Miles) | |
| ALUMINUM | 104.48 | 212.80 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ARSENIC | 5.77 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BACTERIA, ESCHERICHIA COLI | 422.19 | 1,278.26 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BENTHIC-MACROINVERTEBRATE BIOASSESSMENTS (STREAMS) | 100.91 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BENZO(A)PYRENE (PAHS) | .20 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CADMIUM | 5.27 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CHLORIDE | 25.69 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CHLOROPHYLL-A | 5.68 | 495.19 | .47 | .00 | .00 | .00 | .00 | .00 | .00 |
| CHROMIUM (TOTAL) | .50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| COPPER | 17.81 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CYANOBACTERIA HEPATOTOXIC MICROCYSTINS | .00 | 701.36 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DDD | .50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DIOXIN (INCLUDING 2,3,7,8-TCDD) | 18.19 | 384.10 | 17.70 | .00 | 70.20 | .00 | .00 | .00 | .00 |
| DISSOLVED OXYGEN SATURATION | 81.88 | 892.10 | 1.10 | .00 | .00 | .00 | .00 | .00 | .00 |
| ENTEROCOCCUS | .00 | .00 | 4.18 | .00 | .39 | .00 | .00 | .00 | .00 |
| EXCESS ALGAL GROWTH | .00 | 921.40 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| FECAL COLIFORM | .00 | .00 | 3.43 | .00 | .21 | .00 | .00 | .00 | .00 |
| FOAM/FLOCS/SCUM/OIL SLICKS | 2.38 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HABITAT ASSESSMENT (STREAMS) | 59.02 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| IRON | 23.23 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LEAD | 10.02 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MANGANESE | 3.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MERCURY | 9,612.45 | 186,361.57 | 17.70 | .00 | 70.20 | .00 | .00 | .00 | .00 |
| NON-NATIVE AQUATIC PLANTS | 34.92 | 69,078.47 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| OTHER FLOW REGIME ALTERATIONS | 22.53 | 520.00 | 1.24 | .00 | .00 | .00 | .00 | .00 | .00 |
| OXYGEN, DISSOLVED | 149.80 | 150.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PH | 877.38 | 12,590.24 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| POLYCHLORINATED BIPHENYLS | 176.05 | 14,719.90 | 17.70 | .00 | 70.20 | .00 | .00 | .00 | .00 |
| SEDIMENTATION/SILTATION | .00 | 23.22 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ZINC | 11.02 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
New Hampshire
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) | Inland Lake Shoreline (Miles) | |
| ACID MINE DRAINAGE | 5.25 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| AIRPORTS | 1.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ANIMAL FEEDING OPERATIONS (NPS) | .30 | 14.80 | .47 | .00 | .00 | .00 | .00 | .00 | .00 |
| ATMOSPHERIC DEPOSITON - ACIDITY | .00 | 11,376.36 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ATMOSPHERIC DEPOSITON - TOXICS | 9,612.45 | 186,361.57 | 17.70 | .00 | 70.20 | .00 | .00 | .00 | .00 |
| COMBINED SEWER OVERFLOWS | 49.50 | 562.00 | 1.73 | .00 | .00 | .00 | .00 | .00 | .00 |
| COMMERICAL DISTRICTS (SHOPPING/OFFICE COMPLEXES) | 9.05 | 17.60 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DISCHARGES FROM MUNICIPAL SEPARATE STORM SEWER SYSTEMS (MS4) | .00 | 19.93 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| FLOW ALTERATIONS FROM WATER DIVERSIONS | .00 | 42.40 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HIGHWAY/ROAD/BRIDGE RUNOFF (NON-CONSTRUCTION RELATED) | 9.55 | 15.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ILLICIT CONNECTIONS/HOOK-UPS TO STORM SEWERS | 29.30 | 238.50 | .36 | .00 | .00 | .00 | .00 | .00 | .00 |
| IMPACTS FROM HYDROSTRUCTURE FLOW REGULATION/MODIFICATION | 6.86 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| INDUSTRIAL POINT SOURCE DISCHARGE | 27.32 | 407.10 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LANDFILLS | 26.53 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LITTORAL/SHORE AREA MODIFICATIONS (NON-RIVERINE) | .00 | 520.00 | 1.24 | .00 | .00 | .00 | .00 | .00 | .00 |
| LIVESTOCK (GRAZING OR FEEDING OPERATIONS) | 8.01 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MUNICIPAL (URBANIZED HIGH DENSITY AREA) | 11.62 | 465.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MUNICIPAL POINT SOURCE DISCHARGES | 18.92 | 59.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ON-SITE TREATMENT SYSTEMS (SEPTIC SYSTEMS AND SIMILAR DECENCENTRALIZED SYSTEMS) | .00 | 222.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PACKAGE PLANT OR OTHER PERMITTED SMALL FLOWS DISCHARGES | .00 | 142.20 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PETROLEUM/NATURAL GAS ACTIVITIES | .20 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| POLLUTANTS FROM PUBLIC BATHING AREAS | .03 | 25.16 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| POST-DEVELOPMENT EROSION AND SEDIMENTATION | .00 | 3.29 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| RESIDENTIAL DISTRICTS | .00 | 62.20 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SANITARY SEWER OVERFLOWS (COLLECTION SYSTEM FAILURES) | .00 | .00 | 1.10 | .00 | .00 | .00 | .00 | .00 | .00 |
| SOURCE UNKNOWN | 1,311.22 | 86,247.15 | 17.70 | .00 | 70.20 | .00 | .00 | .00 | .00 |
| STREAMBANK MODIFICATIONS/DESTABLIZATION | 15.67 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TRANSFER OF WATER FROM AN OUTSIDE WATERSHED | .00 | 548.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UNPERMITTED DISCHARGE (DOMESTIC WASTES) | 2.38 | .00 | .88 | .00 | .05 | .00 | .00 | .00 | .00 |
| UNPERMITTED DISCHARGE (INDUSTRIAL/COMMERCIAL WASTES) | 2.38 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| WATERFOWL | .00 | .00 | .00 | .00 | .05 | .00 | .00 | .00 | .00 |
| WET WEATHER DISCHARGES (POINT SOURCE AND COMBINATION OF STORMWATER, SSO OR CSO) | .74 | .00 | 2.66 | .00 | .00 | .00 | .00 | .00 | .00 |
