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Assessment Data for the State of Wyoming Year 2002
|
Impaired Water Information
Other Water Assessment Information
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State of Wyoming websites: | State 305(b) Water Quality Assessment Report(s) |
| State Water Quality Program |
Search for a Waterbody within Wyoming
Total Assessed Waters for the State of Wyoming
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 | 3,969.99 | 6,127.37 | .00 | .00 | .00 | .00 | .00 | .00 |
| Estimated Total Water Size in WY | 108,767.00 | 325,048.00 | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable |
| Percent of Waters Assessed | 3.65 | 1.89 | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable | Unavailable |
Assessed Waters of Wyoming 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 | 2.42 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BIG HORN LAKE | 34.14 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BITTER | 23.06 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BLACKS FORK | 148.68 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CENTRAL BEAR | 239.31 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CLARKS FORK YELLOWSTONE | 8.71 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CLEAR | 82.09 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CRAZY WOMAN | 37.38 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CROW | 304.57 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| GREYBULL | 7.47 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| GREYS-HOBOCK | 9.95 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HORSE | 45.65 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LITTLE POWDER | 6.23 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LITTLE SNAKE | 155.64 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER LARAMIE | 130.92 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER WIND | 7.35 | 6,100.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MEDICINE BOW | 190.99 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MIDDLE FORK POWDER | 101.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MIDDLE NORTH PLATTE-CASPER | 101.10 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MUDDY | 96.28 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NEW FORK | 136.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NIOBRARA HEADWATERS | .00 | 11.58 | .00 | .00 | .00 | .00 | .00 | .00 |
| NOWOOD | 17.47 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| POPO AGIE | 70.67 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SALT | 2.88 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SALT | 21.38 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SHOSHONE | 46.85 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SNAKE HEADWATERS | .77 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SWEETWATER | 5.49 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER BEAR | 161.10 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER BELLE FOURCHE | 109.49 | 15.79 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER BIGHORN | 120.70 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER GREEN | 693.08 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER LARAMIE | 232.93 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER NORTH PLATTE | 468.67 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER POWDER | 41.55 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER TONGUE | 115.49 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
Wyoming 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 | 3,441.52 | 72.06 | 10.24 | 17.71 | |
 |
Recreation | 553.96 | .00 | 25.18 | 74.82 | |
 |
Public Water Supply | 15.59 | .00 | .00 | 100.00 | |
 |
Agricultural | 34.78 | .00 | .00 | 100.00 | |
Wyoming Assessed Waters
Water Quality Attainment for Rivers and Streams
Description of this table
| Attainment Status | Miles | Percent of Assessed |
| Good | 2,479.79 | 62.46 |
| Threatened | 491.84 | 12.39 |
| Impaired | 998.36 | 25.15 |
| Total Miles Assessed | 3,969.99 | 100.00 |
Wyoming Top Causes of Impairments
for Rivers and Streams
Description of this table
| # | State Cause Name | Total Miles Impaired |
|---|---|---|
| 1 | PATHOGENS | 551.53 |
| 2 | PHYSICAL DEGRADATION | 355.79 |
| 3 | OTHER HABITAT ALTERATIONS | 355.79 |
| 4 | SELENIUM | 129.93 |
| 5 | SALINITY | 53.76 |
| 6 | SEDIMENTATION/SILTATION | 49.36 |
| 7 | OIL AND GREASE | 29.29 |
| 8 | PH | 22.53 |
| 9 | TEMPERATURE, WATER | 19.89 |
| 10 | COPPER | 17.45 |
Wyoming Top Probable Sources of Impairments
for Rivers and Streams
Description of this table
| # | State Source Name | Total Miles Impaired by Source |
|---|---|---|
| 1 | SOURCE UNKNOWN | 410.51 |
| 2 | NONPOINT SOURCE | 274.80 |
| 3 | AGRICULTURE | 141.34 |
| 4 | IRRIGATED CROP PRODUCTION | 101.10 |
| 5 | CROP PRODUCTION (CROP LAND OR DRY LAND) | 101.10 |
| 6 | NATURAL SOURCES | 57.90 |
| 7 | RANGELAND (UNMANAGED PASTURE) GRAZING | 40.24 |
| 8 | LIVESTOCK (GRAZING OR FEEDING OPERATIONS) | 40.24 |
| 9 | RESOURCE EXTRACTION | 38.73 |
| 10 | PETROLEUM/NATURAL GAS PRODUCTION ACTIVITIES (PERMITTED) | 34.10 |
Wyoming 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 | 6,127.37 | .00 | 99.55 | .45 | |
Wyoming Assessed Waters
Water Quality Attainment for Lakes, Ponds and Reservoirs
Description of this table
| Attainment Status | Acres | Percent of Assessed |
| Good | .00 | .00 |
| Threatened | 6,100.00 | 99.55 |
| Impaired | 27.37 | .45 |
| Total Acres Assessed | 6,127.37 | 100.00 |
Wyoming Top Causes of Impairments
for Lakes, Ponds and Reservoirs
Description of this table
| # | State Cause Name | Total Acres Impaired |
|---|---|---|
| 1 | PHYSICAL DEGRADATION | 6,100.00 |
| 2 | OTHER HABITAT ALTERATIONS | 6,100.00 |
| 3 | SEDIMENTATION/SILTATION | 15.79 |
| 4 | NUTRIENTS | 15.79 |
| 5 | PHOSPHORUS, ELEMENTAL | 15.79 |
Wyoming Top Probable Sources of Impairments
for Lakes, Ponds and Reservoirs
Description of this table
| # | State Source Name | Total Acres Impaired by Source |
|---|---|---|
| 1 | NONPOINT SOURCE | 6,115.79 |
Wyoming
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) | |
| PATHOGENS | 551.53 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| AMMONIA (UNIONIZED) - TOXIN | 6.91 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SILVER | 12.82 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MANGANESE | 15.59 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TEMPERATURE, WATER | 19.89 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PHYSICAL DEGRADATION | 355.79 | 6,100.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CADMIUM | 12.82 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SELENIUM | 129.93 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| OIL AND GREASE | 29.29 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NUTRIENTS | .00 | 15.79 | .00 | .00 | .00 | .00 | .00 | .00 |
| PHOSPHORUS, ELEMENTAL | .00 | 15.79 | .00 | .00 | .00 | .00 | .00 | .00 |
| SEDIMENTATION/SILTATION | 49.36 | 15.79 | .00 | .00 | .00 | .00 | .00 | .00 |
| PH | 22.53 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| COPPER | 17.45 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SALINITY | 53.76 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| OTHER HABITAT ALTERATIONS | 355.79 | 6,100.00 | .00 | .00 | .00 | .00 | .00 | .00 |
Wyoming
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) | |
| NONPOINT SOURCE | 274.80 | 6,115.79 | .00 | .00 | .00 | .00 | .00 | .00 |
| RESOURCE EXTRACTION | 38.73 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| RANGELAND (UNMANAGED PASTURE) GRAZING | 40.24 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| IMPACTS FROM ABANDONED MINE LANDS (INACTIVE) | 4.63 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| IRRIGATED CROP PRODUCTION | 101.10 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MINOR MUNICIPAL POINT SOURCE | .54 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SOURCES OUTSIDE STATE JURISDICTION OR BORDERS | 6.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| ABANDONED MINING | 12.82 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CROP PRODUCTION (CROP LAND OR DRY LAND) | 101.10 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MUNICIPAL (URBANIZED HIGH DENSITY AREA) | 30.83 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| AGRICULTURE | 141.34 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MAJOR MUNICIPAL POINT SOURCE | 6.37 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NATURAL SOURCES | 57.90 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MUNICIPAL POINT SOURCE DISCHARGES | 6.91 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LIVESTOCK (GRAZING OR FEEDING OPERATIONS) | 40.24 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HIGHWAY/ROAD/BRIDGE RUNOFF (NON-CONSTRUCTION RELATED) | 4.06 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PETROLEUM/NATURAL GAS PRODUCTION ACTIVITIES (PERMITTED) | 34.10 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SOURCE UNKNOWN | 410.51 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
