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Assessment Data for the State of Nebraska Year 2002
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Impaired Water Information
Other Water Assessment Information
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State of Nebraska websites: | State 305(b) Water Quality Assessment Report(s) |
| State Water Quality Program |
Search for a Waterbody within Nebraska
Total Assessed Waters for the State of Nebraska
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 | 7,580.67 | 133,486.50 | .00 | .00 | .00 | .00 | .00 | .00 |
| Estimated Total Water Size in NE | 81,573.00 | 280,000.00 | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable |
| Percent of Waters Assessed | 9.29 | 47.67 | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable |
Assessed Waters of Nebraska 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) | |
| BEAVER | 181.10 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BIG NEMAHA | 209.50 | 190.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BIG PAPILLION-MOSQUITO | 194.90 | 2,085.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BLACKBIRD-SOLDIER | 182.10 | 165.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CALAMUS | 66.60 | 5,576.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CEDAR | 74.60 | 94.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DISMAL | 84.90 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| FRENCHMAN | 119.20 | 1,707.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HARLAN COUNTY RESERVOIR | 147.42 | 13,500.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HAT | 17.78 | 35.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HORSE | 9.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| KEG-WEEPING WATER | 157.20 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LEWIS AND CLARK LAKE | 204.80 | 30,040.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LITTLE NEMAHA | 95.05 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOGAN | 113.20 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOUP | 160.30 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER BIG BLUE | 72.70 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER ELKHORN | 296.60 | 116.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER LITTLE BLUE | 39.40 | 55.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER LODGEPOLE | 104.40 | 350.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER MIDDLE LOUP | 136.10 | 2,845.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER NIOBRARA | 163.40 | 35.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER NORTH LOUP | 154.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER NORTH PLATTE | 188.20 | 35,435.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER PLATTE | 116.20 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER PLATTE-SHELL | 190.30 | 200.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER SAPPA | 71.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER SOUTH PLATTE | 116.90 | 4,677.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MEDICINE | 39.40 | 1,850.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MIDDLE BIG BLUE | 305.70 | 253.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MIDDLE NIOBRARA | 285.49 | 3,666.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MIDDLE NORTH PLATTE-SCOTTS BLUFF | 186.87 | 4,054.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MIDDLE PLATTE-BUFFALO | 302.20 | 6,622.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MIDDLE PLATTE-PRAIRIE | 146.20 | 28.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MIDDLE REPUBLICAN | 120.34 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MUD | 96.00 | 4.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NIOBRARA HEADWATERS | 136.02 | 1,600.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NORTH FORK ELKHORN | 63.40 | 700.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NORTH FORK REPUBLICAN | 45.30 | 50.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PONCA | 35.04 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PUMPKIN | 102.60 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| RED WILLOW | 55.70 | 1,628.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SALT | 457.70 | 4,754.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SNAKE | 94.52 | 3,195.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SOUTH FORK BIG NEMAHA | 48.90 | 235.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SOUTH LOUP | 153.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| STINKING WATER | 39.27 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TARKIO-WOLF | 105.70 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TURKEY | 114.30 | 95.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER BIG BLUE | 199.60 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER ELKHORN | 271.60 | 399.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER LITTLE BLUE | 267.30 | 12.50 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER LODGEPOLE | 11.10 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER MIDDLE LOUP | 94.90 | 375.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER NIOBRARA | 187.38 | 309.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER NORTH LOUP | 197.40 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER REPUBLICAN | 102.65 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER WHITE | 155.24 | 938.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| WEST FORK BIG BLUE | 163.70 | 55.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| WOOD | 136.30 | 19.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| Name Not Reported | 7.90 | 5,540.00 | .00 | .00 | .00 | .00 | .00 | .00 |
Nebraska 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 |
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 % Impaired |
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 |
Fish, Shellfish, and Wildlife Protection and Propagation | 7,580.67 | 41.37 | 1.34 | 57.29 | |
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Recreation | 3,208.83 | 10.50 | .00 | 89.50 | |
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Public Water Supply | 589.89 | 100.00 | .00 | .00 | |
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Aquatic Life Harvesting | 2,168.00 | 69.61 | 30.39 | .00 | |
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Agricultural | 3,135.57 | 100.00 | .00 | .00 | |
Nebraska Assessed Waters
Water Quality Attainment for Rivers and Streams
Description of this table
| Attainment Status | Miles | Percent of Assessed |
| Good | 3,136.13 | 41.37 |
| Threatened | 101.40 | 1.34 |
| Impaired | 4,343.14 | 57.29 |
| Total Miles Assessed | 7,580.67 | 100.00 |
Nebraska Top Causes of Impairments
for Rivers and Streams
Description of this table
| # | State Cause Name | Total Miles Impaired |
|---|---|---|
| 1 | PATHOGENS | 2,837.83 |
| 2 | PH | 568.10 |
| 3 | POLYCHLORINATED BIPHENYLS | 548.00 |
| 4 | TEMPERATURE, WATER | 537.20 |
| 5 | PESTICIDES | 475.90 |
| 6 | DIELDRIN | 461.60 |
| 7 | BIODIVERSITY IMPACTS | 417.73 |
| 8 | AMMONIA (UNIONIZED) - TOXIN | 301.51 |
| 9 | ORGANIC ENRICHMENT/LOW DO | 203.60 |
| 10 | ATRAZINE | 168.90 |
Nebraska Top Probable Sources of Impairments
for Rivers and Streams
Description of this table
| # | State Source Name | Total Miles Impaired by Source |
|---|---|---|
| 1 | NATURAL SOURCES | 3,189.02 |
| 2 | AGRICULTURE | 2,995.13 |
| 3 | SOURCE UNKNOWN | 1,490.10 |
| 4 | MUNICIPAL POINT SOURCE DISCHARGES | 1,358.14 |
| 5 | HABITAT MODIFICATION (OTHER THAN HYDROMODIFICATION) | 260.48 |
| 6 | MUNICIPAL (URBANIZED HIGH DENSITY AREA) | 161.00 |
| 7 | CROP PRODUCTION (CROP LAND OR DRY LAND) | 108.40 |
| 8 | POOR HABITAT | 93.61 |
| 9 | INDUSTRIAL POINT SOURCE DISCHARGE | 58.50 |
| 10 | STREAMBANK MODIFICATIONS/DESTABLIZATION | 44.91 |
Nebraska 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 |
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|
Fish, Shellfish, and Wildlife Protection and Propagation | 133,486.50 | 55.16 | 4.07 | 40.77 | |
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Recreation | 113,742.00 | 94.49 | .00 | 5.51 | |
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Public Water Supply | 150.00 | 100.00 | .00 | .00 | |
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Aquatic Life Harvesting | 123,648.00 | 66.57 | 33.43 | .00 | |
 |
Aesthetic Value | 123,313.00 | 94.79 | .00 | 5.21 | |
|
Agricultural | 123,258.00 | 100.00 | .00 | .00 | |
Nebraska Assessed Waters
Water Quality Attainment for Lakes, Ponds and Reservoirs
Description of this table
| Attainment Status | Acres | Percent of Assessed |
| Good | 72,706.00 | 54.47 |
| Threatened | 5,397.00 | 4.04 |
| Impaired | 55,383.50 | 41.49 |
| Total Acres Assessed | 133,486.50 | 100.00 |
Nebraska Top Causes of Impairments
for Lakes, Ponds and Reservoirs
Description of this table
| # | State Cause Name | Total Acres Impaired |
|---|---|---|
| 1 | ORGANIC ENRICHMENT/LOW DO | 43,459.50 |
| 2 | POLYCHLORINATED BIPHENYLS | 38,300.00 |
| 3 | PATHOGENS | 5,945.00 |
| 4 | NUTRIENTS | 5,212.00 |
| 5 | MERCURY | 3,038.00 |
| 6 | SEDIMENTATION/SILTATION | 1,850.00 |
| 7 | ATRAZINE | 290.00 |
| 8 | SELENIUM | 35.00 |
| 9 | PESTICIDES | 27.00 |
| 10 | CAUSE UNKNOWN | 24.00 |
Nebraska Top Probable Sources of Impairments
for Lakes, Ponds and Reservoirs
Description of this table
| # | State Source Name | Total Acres Impaired by Source |
|---|---|---|
| 1 | SOURCE UNKNOWN | 54,410.50 |
| 2 | NATURAL SOURCES | 6,535.00 |
| 3 | AGRICULTURE | 2,324.00 |
| 4 | CONSTRUCTION | 513.00 |
| 5 | MUNICIPAL (URBANIZED HIGH DENSITY AREA) | 123.00 |
Nebraska
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) | |
| CAUSE UNKNOWN | 19.20 | 24.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DIELDRIN | 461.60 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PATHOGENS | 2,837.83 | 5,945.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| AMMONIA (UNIONIZED) - TOXIN | 301.51 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| POLYCHLORINATED BIPHENYLS | 548.00 | 38,300.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LEAD | 4.60 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TEMPERATURE, WATER | 537.20 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ORGANIC ENRICHMENT/LOW DO | 203.60 | 43,459.50 | .00 | .00 | .00 | .00 | .00 | .00 |
| MERCURY | 61.90 | 3,038.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ATRAZINE | 168.90 | 290.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CHLORINE | 12.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SELENIUM | 143.40 | 35.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| OIL AND GREASE | 1.70 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| FLOW ALTERATION | 21.67 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BIODIVERSITY IMPACTS | 417.73 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| IRON | 91.60 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NUTRIENTS | 28.90 | 5,212.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SEDIMENTATION/SILTATION | 26.10 | 1,850.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PH | 568.10 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SALINITY | 13.90 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PESTICIDES | 475.90 | 27.00 | .00 | .00 | .00 | .00 | .00 | .00 |
Nebraska
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) | |
| POOR HABITAT | 93.61 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HABITAT MODIFICATION (OTHER THAN HYDROMODIFICATION) | 260.48 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CONSTRUCTION | .00 | 513.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MINOR MUNICIPAL POINT SOURCE | 10.20 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| INTENSIVE ANIMAL FEEDING OPERATIONS | 5.60 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CROP PRODUCTION (CROP LAND OR DRY LAND) | 108.40 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MUNICIPAL (URBANIZED HIGH DENSITY AREA) | 161.00 | 123.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| STREAMBANK MODIFICATIONS/DESTABLIZATION | 44.91 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| AGRICULTURE | 2,995.13 | 2,324.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CHANNELIZATION | 29.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PASTURE GRAZING - RIPARIAN AND/OR UPLAND | 10.20 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NATURAL SOURCES | 3,189.02 | 6,535.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MUNICIPAL POINT SOURCE DISCHARGES | 1,358.14 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LIVESTOCK (GRAZING OR FEEDING OPERATIONS) | 10.20 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| WATERSHED EROSION | 10.40 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SOURCE UNKNOWN | 1,490.10 | 54,410.50 | .00 | .00 | .00 | .00 | .00 | .00 |
| HYDROMODIFICATION | 19.03 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| INDUSTRIAL POINT SOURCE DISCHARGE | 58.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
