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Assessment Data for the State of Utah Year 2004

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The 2004 National Assessment
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Total Assessed Waters for the State of Utah

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 10,607.36 468,400.00 .00 .00 .00 .00 .00 .00 .00
Estimated Total Water Size in UT 85,916.00 481,638.00 Unavailable Unavailable Unavailable Unavailable Unavailable Unavailable Unavailable
Percent of Waters Assessed 12.35 97.25 Unavailable Unavailable Unavailable Unavailable Unavailable Unavailable Unavailable

Assessed Waters of Utah 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)
8-digit HUC Name Not Reported .00 380.00 .00 .00 .00 .00 .00 .00 .00
ASHLEY-BRUSH 226.82 2,190.00 .00 .00 .00 .00 .00 .00 .00
BEAR LAKE 22.01 69,760.00 .00 .00 .00 .00 .00 .00 .00
BEAVER BOTTOMS-UPPER BEAVER 186.91 1,144.00 .00 .00 .00 .00 .00 .00 .00
BLACKS FORK 210.59 1,165.00 .00 .00 .00 .00 .00 .00 .00
COLORADO HEADWATERS-PLATEAU 3.84 .00 .00 .00 .00 .00 .00 .00 .00
DIRTY DEVIL 79.09 .00 .00 .00 .00 .00 .00 .00 .00
DUCHESNE 1,133.96 1,638.00 .00 .00 .00 .00 .00 .00 .00
EAST FORK SEVIER 320.70 3,137.00 .00 .00 .00 .00 .00 .00 .00
ESCALANTE 344.28 165.00 .00 .00 .00 .00 .00 .00 .00
ESCALANTE DESERT 39.48 455.00 .00 .00 .00 .00 .00 .00 .00
FREMONT 285.47 3,238.00 .00 .00 .00 .00 .00 .00 .00
JORDAN 193.31 23.00 .00 .00 .00 .00 .00 .00 .00
KANAB 63.85 .00 .00 .00 .00 .00 .00 .00 .00
LITTLE BEAR-LOGAN 381.50 653.00 .00 .00 .00 .00 .00 .00 .00
LOWER BEAR-MALAD 128.23 554.00 .00 .00 .00 .00 .00 .00 .00
LOWER DOLORES 71.18 6.00 .00 .00 .00 .00 .00 .00 .00
LOWER GREEN 139.29 .00 .00 .00 .00 .00 .00 .00 .00
LOWER GREEN-DESOLATION CANYON 294.55 .00 .00 .00 .00 .00 .00 .00 .00
LOWER GREEN-DIAMOND 90.27 1,808.00 .00 .00 .00 .00 .00 .00 .00
LOWER LAKE POWELL .00 162,700.00 .00 .00 .00 .00 .00 .00 .00
LOWER SAN JUAN 87.73 .00 .00 .00 .00 .00 .00 .00 .00
LOWER SAN JUAN-FOUR CORNERS 56.82 49.00 .00 .00 .00 .00 .00 .00 .00
LOWER SEVIER 237.80 1,905.00 .00 .00 .00 .00 .00 .00 .00
LOWER VIRGIN 39.68 .00 .00 .00 .00 .00 .00 .00 .00
LOWER WEBER 351.82 13,700.00 .00 .00 .00 .00 .00 .00 .00
LOWER WHITE 71.00 .00 .00 .00 .00 .00 .00 .00 .00
MIDDLE BEAR 151.66 7,534.00 .00 .00 .00 .00 .00 .00 .00
MIDDLE SEVIER 427.10 11,242.00 .00 .00 .00 .00 .00 .00 .00
MONTEZUMA 33.77 104.00 .00 .00 .00 .00 .00 .00 .00
MUDDY 250.21 .00 .00 .00 .00 .00 .00 .00 .00
MUDDY 5.34 .00 .00 .00 .00 .00 .00 .00 .00
PARIA 25.99 .00 .00 .00 .00 .00 .00 .00 .00
PRICE 376.55 2,977.00 .00 .00 .00 .00 .00 .00 .00
PROVO 323.95 6,301.00 .00 .00 .00 .00 .00 .00 .00
RUSH-TOOELE VALLEYS .00 515.00 .00 .00 .00 .00 .00 .00 .00
SAN PITCH 352.80 1,550.00 .00 .00 .00 .00 .00 .00 .00
SAN RAFAEL 475.87 2,691.00 .00 .00 .00 .00 .00 .00 .00
SPANISH FORK 423.41 34.00 .00 .00 .00 .00 .00 .00 .00
STRAWBERRY 400.37 20,367.00 .00 .00 .00 .00 .00 .00 .00
UPPER BEAR 464.07 343.00 .00 .00 .00 .00 .00 .00 .00
UPPER COLORADO-KANE SPRINGS 218.88 86.00 .00 .00 .00 .00 .00 .00 .00
UPPER DOLORES 18.02 .00 .00 .00 .00 .00 .00 .00 .00
UPPER GREEN-FLAMING GORGE RESERVOIR 228.59 43,017.00 .00 .00 .00 .00 .00 .00 .00
UPPER LAKE POWELL 45.90 .00 .00 .00 .00 .00 .00 .00 .00
UPPER SEVIER 236.60 4,470.00 .00 .00 .00 .00 .00 .00 .00
UPPER VIRGIN 375.12 1,254.00 .00 .00 .00 .00 .00 .00 .00
UPPER WEBER 536.07 3,072.00 .00 .00 .00 .00 .00 .00 .00
UTAH LAKE 98.28 98,077.00 .00 .00 .00 .00 .00 .00 .00
WESTWATER CANYON 33.79 .00 .00 .00 .00 .00 .00 .00 .00
WILLOW 57.21 .00 .00 .00 .00 .00 .00 .00 .00
none .00 96.00 .00 .00 .00 .00 .00 .00 .00


Utah 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 color.gif% Good
color.gif% Threatened
color.gif% Impaired
AGRICULTURAL 10,203.86 86.09 .00 13.91 color.gifcolor.gif
COLD WATER AQUATIC LIFE 7,807.55 84.27 .00 15.73 color.gifcolor.gif
DOMESTIC WATER SUPPLY 4,054.63 98.63 .00 1.37 color.gifcolor.gif
NON-GAME FISH AND OTHER AQUATIC LIFE 10,579.94 85.22 .00 14.78 color.gifcolor.gif
NONGAME FISH (3C) 1,172.69 100.00 .00 .00 color.gif
SECONDARY RECREATION 675.13 93.98 .00 6.02 color.gifcolor.gif
WARM WATER AQUATIC LIFE 1,589.33 76.76 .00 23.24 color.gifcolor.gif
WATERFOWL AND SHOREBIRDS (3D) 594.66 89.56 .00 10.44 color.gifcolor.gif
The state assessed 10,607.36 miles of rivers and streams, or 12.35% of 85,916.00 total miles.

Utah Assessed Waters
Water Quality Attainment for Rivers and Streams

Description of this table
Attainment Status Miles Percent of Assessed
Good 7,852.32 74.03
Threatened .00 .00
Impaired 2,755.04 25.97
Total Miles Assessed 10,607.36 100.00

Utah Top Causes of Impairments
for Rivers and Streams

Description of this table
# State Cause Name Total
Miles
Impaired
1 SALINITY 1,351.08
2 PHOSPHORUS, ELEMENTAL 845.04
3 NUTRIENTS 845.04
4 OTHER HABITAT ALTERATIONS 670.92
5 SEDIMENTATION/SILTATION 586.84
6 TEMPERATURE, WATER 298.96
7 ORGANIC ENRICHMENT/LOW DO 199.73
8 METALS 197.54
9 SELENIUM 123.88
10 FLOW ALTERATION 96.65

Utah Top Probable Sources of Impairments
for Rivers and Streams

Description of this table
# State Source Name Total Miles Impaired by Source
1 AGRICULTURE 2,273.19
2 NATURAL SOURCES 1,604.72
3 HYDROMODIFICATION 912.50
4 HABITAT MODIFICATION (OTHER THAN HYDROMODIFICATION) 829.98
5 IRRIGATED CROP PRODUCTION 740.76
6 CROP PRODUCTION (CROP LAND OR DRY LAND) 740.76
7 LIVESTOCK (GRAZING OR FEEDING OPERATIONS) 589.48
8 SOURCE UNKNOWN 307.30
9 RESOURCE EXTRACTION 232.44
10 AQUACULTURE 142.55

Utah 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 color.gif% Good
color.gif% Threatened
color.gif% Impaired
AGRICULTURAL 463,429.00 78.86 .00 21.14 color.gifcolor.gif
COLD WATER AQUATIC LIFE 173,752.00 73.94 .00 26.06 color.gifcolor.gif
DOMESTIC WATER SUPPLY 253,861.00 100.00 .00 .00 color.gif
NON-GAME FISH AND OTHER AQUATIC LIFE 468,400.00 67.68 .00 32.32 color.gifcolor.gif
NONGAME FISH (3C) 1,287.00 100.00 .00 .00 color.gif
PRIMARY RECREATION 162,700.00 100.00 .00 .00 color.gif
WARM WATER AQUATIC LIFE 283,235.00 62.56 .00 37.44 color.gifcolor.gif
WATERFOWL AND SHOREBIRDS (3D) 10,990.00 100.00 .00 .00 color.gif
The state assessed 468,400.00 acres of lakes, ponds and reservoirs, or 97.25% of 481,638.00 total acres.

Utah Assessed Waters
Water Quality Attainment for Lakes, Ponds and Reservoirs

Description of this table
Attainment Status Acres Percent of Assessed
Good 316,991.00 67.68
Threatened .00 .00
Impaired 151,409.00 32.32
Total Acres Assessed 468,400.00 100.00

Utah Top Causes of Impairments
for Lakes, Ponds and Reservoirs

Description of this table
# State Cause Name Total
Acres
Impaired
1 NUTRIENTS 122,912.00
2 PHOSPHORUS, ELEMENTAL 115,728.00
3 SEDIMENTATION/SILTATION 104,084.00
4 TOTAL DISSOLVED SOLIDS 96,900.00
5 ORGANIC ENRICHMENT/LOW DO 43,985.00
6 TEMPERATURE, WATER 17,122.00
7 PH 3,307.00

Utah Top Probable Sources of Impairments
for Lakes, Ponds and Reservoirs

Description of this table
# State Source Name Total Acres Impaired by Source
1 AGRICULTURE 148,008.00
2 LIVESTOCK (GRAZING OR FEEDING OPERATIONS) 148,008.00
3 MARINAS 132,465.00
4 INTENSIVE ANIMAL FEEDING OPERATIONS 117,124.00
5 SOURCE UNKNOWN 113,138.00
6 CROP PRODUCTION (CROP LAND OR DRY LAND) 109,211.00
7 IRRIGATED CROP PRODUCTION 108,657.00
8 MUNICIPAL POINT SOURCE DISCHARGES 107,152.00
9 INDUSTRIAL POINT SOURCE DISCHARGE 106,899.00
10 CONSTRUCTION 105,305.00

Utah

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)
AMMONIA (UN-IONIZED) 7.30 .00 .00 .00 .00 .00 .00 .00 .00
ARSENIC 30.81 .00 .00 .00 .00 .00 .00 .00 .00
BORON 54.49 .00 .00 .00 .00 .00 .00 .00 .00
CADMIUM 21.37 .00 .00 .00 .00 .00 .00 .00 .00
FLOW ALTERATION 96.65 .00 .00 .00 .00 .00 .00 .00 .00
LEAD 30.81 .00 .00 .00 .00 .00 .00 .00 .00
METALS 197.54 .00 .00 .00 .00 .00 .00 .00 .00
NON-NATIVE AQUATIC PLANTS 50.56 .00 .00 .00 .00 .00 .00 .00 .00
NUTRIENTS 845.04 122,912.00 .00 .00 .00 .00 .00 .00 .00
ORGANIC ENRICHMENT/LOW DO 199.73 43,985.00 .00 .00 .00 .00 .00 .00 .00
OTHER HABITAT ALTERATIONS 670.92 .00 .00 .00 .00 .00 .00 .00 .00
PATHOGENS 14.09 .00 .00 .00 .00 .00 .00 .00 .00
PH 77.08 3,307.00 .00 .00 .00 .00 .00 .00 .00
PHOSPHORUS, ELEMENTAL 845.04 115,728.00 .00 .00 .00 .00 .00 .00 .00
RADIATION 21.79 .00 .00 .00 .00 .00 .00 .00 .00
SALINITY 1,351.08 .00 .00 .00 .00 .00 .00 .00 .00
SEDIMENTATION/SILTATION 586.84 104,084.00 .00 .00 .00 .00 .00 .00 .00
SELENIUM 123.88 .00 .00 .00 .00 .00 .00 .00 .00
TEMPERATURE, WATER 298.96 17,122.00 .00 .00 .00 .00 .00 .00 .00
TOTAL DISSOLVED SOLIDS .00 96,900.00 .00 .00 .00 .00 .00 .00 .00
ZINC 42.86 .00 .00 .00 .00 .00 .00 .00 .00

Utah

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)
ABOVE GROUND STORAGE TANK LEAKS (TANK FARMS) .00 96,900.00 .00 .00 .00 .00 .00 .00 .00
AGRICULTURE 2,273.19 148,008.00 .00 .00 .00 .00 .00 .00 .00
ANIMAL FEEDING OPERATIONS (NPS) .00 1,317.00 .00 .00 .00 .00 .00 .00 .00
AQUACULTURE 142.55 7,455.00 .00 .00 .00 .00 .00 .00 .00
CHANNELIZATION .00 266.00 .00 .00 .00 .00 .00 .00 .00
COMBINED SEWER OVERFLOWS .00 1,394.00 .00 .00 .00 .00 .00 .00 .00
CONSTRUCTION 34.66 105,305.00 .00 .00 .00 .00 .00 .00 .00
CONTAMINATED SEDIMENTS .00 520.00 .00 .00 .00 .00 .00 .00 .00
CROP PRODUCTION (CROP LAND OR DRY LAND) 740.76 109,211.00 .00 .00 .00 .00 .00 .00 .00
EROSION AND SEDIMENTATION .00 1,040.00 .00 .00 .00 .00 .00 .00 .00
FLOW ALTERATIONS FROM WATER DIVERSIONS 15.25 1,457.00 .00 .00 .00 .00 .00 .00 .00
GRAZING IN RIPARIAN OR SHORELINE ZONES 117.20 2,709.00 .00 .00 .00 .00 .00 .00 .00
HABITAT MODIFICATION (OTHER THAN HYDROMODIFICATION) 829.98 .00 .00 .00 .00 .00 .00 .00 .00
HYDROMODIFICATION 912.50 3,387.00 .00 .00 .00 .00 .00 .00 .00
IMPACTS FROM ABANDONED MINE LANDS (INACTIVE) 30.81 .00 .00 .00 .00 .00 .00 .00 .00
INDUSTRIAL POINT SOURCE DISCHARGE 98.15 106,899.00 .00 .00 .00 .00 .00 .00 .00
INTENSIVE ANIMAL FEEDING OPERATIONS 142.55 117,124.00 .00 .00 .00 .00 .00 .00 .00
IRRIGATED CROP PRODUCTION 740.76 108,657.00 .00 .00 .00 .00 .00 .00 .00
LAND DISPOSAL .00 30,964.00 .00 .00 .00 .00 .00 .00 .00
LIVESTOCK (GRAZING OR FEEDING OPERATIONS) 589.48 148,008.00 .00 .00 .00 .00 .00 .00 .00
MAJOR MUNICIPAL POINT SOURCE 34.66 .00 .00 .00 .00 .00 .00 .00 .00
MANAGED PASTURE GRAZING .00 4,103.00 .00 .00 .00 .00 .00 .00 .00
MARINAS .00 132,465.00 .00 .00 .00 .00 .00 .00 .00
MINE TAILINGS 30.81 1,394.00 .00 .00 .00 .00 .00 .00 .00
MUNICIPAL POINT SOURCE DISCHARGES 128.01 107,152.00 .00 .00 .00 .00 .00 .00 .00
NATURAL SOURCES 1,604.72 19,033.00 .00 .00 .00 .00 .00 .00 .00
NON-IRRIGATED CROP PRODUCTION .00 554.00 .00 .00 .00 .00 .00 .00 .00
OFF-FARM ANIMAL HOLDING/MANAGEMENT AREA .00 3,028.00 .00 .00 .00 .00 .00 .00 .00
ON-SITE TREATMENT SYSTEMS (SEPTIC SYSTEMS AND SIMILAR DECENCENTRALIZED SYSTEMS) .00 2,874.00 .00 .00 .00 .00 .00 .00 .00
OTHER .00 710.00 .00 .00 .00 .00 .00 .00 .00
PASTURE GRAZING - RIPARIAN .00 3,942.00 .00 .00 .00 .00 .00 .00 .00
PASTURE GRAZING - UPLAND .00 2,548.00 .00 .00 .00 .00 .00 .00 .00
PETROLEUM/NATURAL GAS PRODUCTION ACTIVITIES (PERMITTED) 136.98 .00 .00 .00 .00 .00 .00 .00 .00
RANGELAND GRAZING .00 2,562.00 .00 .00 .00 .00 .00 .00 .00
RECREATION AND TOURISM ACTIVITIES (OTHER THAN BOATING - SEE 7900) .00 39,917.00 .00 .00 .00 .00 .00 .00 .00
RESOURCE EXTRACTION 232.44 7,694.00 .00 .00 .00 .00 .00 .00 .00
SEPTAGE DISPOSAL .00 22,617.00 .00 .00 .00 .00 .00 .00 .00
SILVICULTURE .00 2,656.00 .00 .00 .00 .00 .00 .00 .00
SILVICULTURE HARVESTING .00 1,367.00 .00 .00 .00 .00 .00 .00 .00
SILVICULTURE PLANTATION MANAGEMENT .00 1,248.00 .00 .00 .00 .00 .00 .00 .00
SITE CLEARANCE (LAND DEVELOPMENT OR REDEVELOPMENT) 34.66 8,405.00 .00 .00 .00 .00 .00 .00 .00
SOURCE UNKNOWN 307.30 113,138.00 .00 .00 .00 .00 .00 .00 .00
SOURCES OUTSIDE STATE JURISTICTION OR BORDERS 37.63 .00 .00 .00 .00 .00 .00 .00 .00
SUBSURFACE MINING .00 2,815.00 .00 .00 .00 .00 .00 .00 .00
SURFACE MINING .00 520.00 .00 .00 .00 .00 .00 .00 .00
URBAN RUNOFF/STORM SEWERS 89.08 99,334.00 .00 .00 .00 .00 .00 .00 .00

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