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Assessment Data for the State of California Year 2004
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| NOTE: The California Environmental Protection Agency, State Water Resources Control Board, Division of Water Quality 2004 305(b) report submission is based on the State's 2002 305(b) report submission, which can be found at http://www.waterboards.ca.gov/tmdl/305b.html. This data will serve as the basis for U.S. EPA's 2004 National Water Quality Inventory Report to Congress. |
State of California websites: | No State 305(b) Water Quality Assessment Report is available. |
| State Water Quality Program |
Search for a Waterbody within California
Total Assessed Waters for the State of California
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 | 32,803.37 | 1,051,245.57 | 904.44 | 766.04 | 489.83 | 197,714.37 | .00 | .00 | .00 |
| Estimated Total Water Size in CA | 211,513.00 | 2,086,230.00 | 2,139.00 | Unavailable | Unavailable | 357,064.00 | Unavailable | Unavailable | Unavailable |
| Percent of Waters Assessed | 15.51 | 50.39 | 42.28 | Unavailable | Unavailable | 55.37 | Unavailable | Unavailable | Unavailable |
Assessed Waters of California 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) | |
| 15020102 | 230.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| 8-digit HUC Name Not Reported | 57.65 | 1,887.00 | 1.76 | .00 | 20.37 | 28,361.00 | .00 | .00 | .00 |
| ALISAL-ELKHORN SLOUGHS | 35.12 | .00 | 3.82 | .00 | .00 | .00 | .00 | .00 | .00 |
| ALISO-SAN ONOFRE | 51.14 | 8.42 | .20 | 9.99 | 2.40 | .00 | .00 | .00 | .00 |
| ANTELOPE-FREMONT VALLEYS | 282.63 | 100.34 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| BIG-NAVARRO-GARCIA | 2,713.18 | .00 | .07 | .00 | .97 | .00 | .00 | .00 | .00 |
| BODEGA BAY | 100.35 | .00 | 1.58 | .00 | .31 | .00 | .00 | .00 | .00 |
| BUTTE | 264.93 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CALLEGUAS | 121.90 | 20.14 | 1.15 | 3.79 | .00 | .00 | .00 | .00 | .00 |
| CARMEL | 42.36 | .00 | .30 | 34.87 | .00 | .00 | .00 | .00 | .00 |
| CARRIZO PLAIN | .00 | 2,627.47 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CENTRAL COASTAL | 98.31 | 59.00 | 3.15 | 198.00 | .00 | .00 | .00 | .00 | .00 |
| COTTONWOOD HEADWATERS | .00 | 89.38 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| COTTONWOOD-TIJUANA | 66.46 | 103.57 | 2.06 | 3.00 | .00 | .00 | .00 | .00 | .00 |
| COYOTE | 194.50 | 2,399.98 | 33.86 | .00 | .00 | 12,000.00 | .00 | .00 | .00 |
| CROWLEY LAKE | 299.59 | 6,649.45 | .00 | .00 | .00 | 5.16 | .00 | .00 | .00 |
| CUYAMA | 5.80 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DEATH VALLEY-LOWER AMARGOSA | 229.78 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| EAST BRANCH NORTH FORK FEATHER | 146.51 | 160.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| EAST WALKER | 181.03 | 3,622.44 | .00 | .00 | .00 | 3.00 | .00 | .00 | .00 |
| ESTRELLA | 8.70 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| EUREKA-SALINE VALLEYS | 10.80 | 1,189.88 | .00 | .00 | .00 | 320.00 | .00 | .00 | .00 |
| FISH LAKE-SODA SPRING VALLEYS | 5.66 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| GOOSE LAKE | .00 | 63,605.20 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| GUALALA-SALMON | 454.93 | .00 | .00 | .00 | .13 | .00 | .00 | .00 | .00 |
| HAVASU-MOHAVE LAKES | 4.36 | 25,135.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HONCUT HEADWATERS | .00 | 43.89 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HONEY-EAGLE LAKES | 265.11 | 84,205.81 | .00 | .00 | .00 | 62,672.37 | .00 | .00 | .00 |
| IMPERIAL RESERVOIR | 143.40 | 354.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| INDIAN WELLS-SEARLES VALLEYS | 180.83 | 30,211.50 | .00 | .00 | .00 | 1.00 | .00 | .00 | .00 |
| IVANPAH-PAHRUMP VALLEYS | .00 | 8,521.07 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LAKE TAHOE | 123.26 | 87,130.38 | .00 | .00 | .00 | 929.50 | .00 | .00 | .00 |
| LOS ANGELES | 215.88 | 162.94 | 9.00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOST | 1,212.47 | 26,998.10 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER AMERICAN | 104.69 | 484.99 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER BUTTE | 94.19 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER CALAVERAS-MORMON SLOUGH | 6.68 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER COLORADO | 30.00 | 82.60 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER COSUMNES-LOWER MOKELUMNE | 33.65 | 7,389.16 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER COTTONWOOD | 21.56 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER EEL | 1,011.90 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER FEATHER | 76.48 | 4,422.14 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER PIT | 193.38 | 2,214.33 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER SACRAMENTO | 260.55 | 111.19 | 67.25 | .00 | .00 | .00 | .00 | .00 | .00 |
| LOWER YUBA | 10.37 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MAD-REDWOOD | 1,786.04 | 1,073.70 | 29.48 | .00 | 63.30 | .00 | .00 | .00 | .00 |
| MATTOLE | .00 | .00 | .00 | .00 | 31.25 | .00 | .00 | .00 | .00 |
| MCCLOUD | 55.67 | 565.77 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MIDDLE FORK EEL | 1,542.95 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MIDDLE FORK FEATHER | 62.06 | 22,844.83 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MIDDLE KERN-UPPER TEHACHAPI- GRAPEVINE | 49.15 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MIDDLE SAN JOAQUIN-LOWER CHOWCHILLA | 300.50 | 2,254.17 | .00 | .00 | .00 | 11,007.27 | .00 | .00 | .00 |
| MIDDLE SAN JOAQUIN-LOWER MERCED-LOWER STANISLAUS | 360.04 | .00 | 31.46 | .00 | .00 | .00 | .00 | .00 | .00 |
| MILL-BIG CHICO | 55.08 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MOJAVE | 289.96 | 1,866.60 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MONO LAKE | 55.40 | 41,536.53 | .00 | .00 | .00 | 1.00 | .00 | .00 | .00 |
| NEWPORT BAY | 27.44 | .00 | 2.24 | 4.62 | .76 | 494.28 | .00 | .00 | .00 |
| NORTH FORK AMERICAN | 196.17 | 2,790.68 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NORTH FORK FEATHER | 48.62 | 47,631.30 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| OWENS LAKE | 400.86 | 71,440.11 | .00 | .00 | .00 | 2.00 | .00 | .00 | .00 |
| PAJARO | 240.81 | 626.48 | .02 | .00 | .00 | 120.00 | .00 | .00 | .00 |
| PANOCHE-SAN LUIS RESERVOIR | 31.83 | 13,688.81 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PIUTE WASH | 1.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| RUSSIAN | 3,261.08 | 4,081.03 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SACRAMENTO HEADWATERS | 40.68 | 443.73 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SACRAMENTO-LOWER COW-LOWER CLEAR | 127.73 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SACRAMENTO-LOWER THOMES | 326.11 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SACRAMENTO-STONE CORRAL | 174.87 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SACRAMENTO-UPPER CLEAR | 65.57 | 232.49 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SALINAS | 277.82 | 11,596.74 | .00 | 106.00 | .00 | .00 | .00 | .00 | .00 |
| SALMON | 902.29 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SALTON SEA | 1,772.40 | 233,556.22 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SAN ANTONIO | 14.31 | .00 | .00 | 56.00 | .00 | .00 | .00 | .00 | .00 |
| SAN DIEGO | 239.62 | 3,134.25 | 24.81 | 18.65 | .95 | .00 | .00 | .00 | .00 |
| SAN FRANCISCO BAY | 179.81 | 6,901.75 | 270.23 | .00 | .00 | .00 | .00 | .00 | .00 |
| SAN FRANCISCO COASTAL SOUTH | 67.77 | 438.42 | .00 | 4.66 | .00 | .00 | .00 | .00 | .00 |
| SAN GABRIEL | 132.32 | 806.82 | 9.49 | .00 | .00 | 46.93 | .00 | .00 | .00 |
| SAN JACINTO | 83.81 | 5,227.44 | .00 | .00 | .00 | 4,700.00 | .00 | .00 | .00 |
| SAN JOAQUIN DELTA | 211.74 | 543.82 | 68.74 | .00 | .00 | .00 | .00 | .00 | .00 |
| SAN LORENZO-SOQUEL | 184.54 | 23.49 | .16 | 1.00 | .00 | 34.00 | .00 | .00 | .00 |
| SAN LUIS REY-ESCONDIDO | 80.12 | 76.60 | 1.31 | 3.70 | .00 | .00 | .00 | .00 | .00 |
| SAN PABLO BAY | 269.81 | 2,832.02 | 221.69 | .22 | .00 | .00 | .00 | .00 | .00 |
| SAN PEDRO CHANNEL ISLANDS | .00 | .00 | .00 | .67 | 369.15 | .00 | .00 | .00 | .00 |
| SANTA ANA | 526.41 | 7,565.73 | .02 | 5.79 | .00 | 7,010.50 | .00 | .00 | .00 |
| SANTA BARBARA CHANNEL ISLANDS | .00 | .00 | .00 | 158.00 | .00 | .00 | .00 | .00 | .00 |
| SANTA BARBARA COASTAL | 27.04 | .00 | .72 | 10.19 | .00 | .00 | .00 | .00 | .00 |
| SANTA CLARA | 453.55 | 7,300.18 | .20 | .00 | .00 | .00 | .00 | .00 | .00 |
| SANTA MARGARITA | 73.20 | .00 | .13 | .00 | .00 | .00 | .00 | .00 | .00 |
| SANTA MARIA | 96.23 | 55.57 | .01 | .00 | .00 | .00 | .00 | .00 | .00 |
| SANTA MONICA BAY | 129.06 | 356.93 | 242.33 | 57.91 | .00 | 289.20 | .00 | .00 | .00 |
| SANTA YNEZ | 46.70 | 3,343.00 | .11 | 35.06 | .00 | .00 | .00 | .00 | .00 |
| SCOTT | 630.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SEAL BEACH | .79 | .00 | 2.91 | 15.39 | .00 | .00 | .00 | .00 | .00 |
| SMITH | .00 | .00 | .60 | .00 | .00 | .00 | .00 | .00 | .00 |
| SMOKE CREEK DESERT | 15.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SOUTH FORK AMERICAN | 71.92 | 3,096.63 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SOUTH FORK KERN | .00 | 7,709.59 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SOUTHERN MOJAVE | 33.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SUISUN BAY | 77.66 | 1,013.08 | 117.02 | .00 | .00 | 66,339.30 | .00 | .00 | .00 |
| SURPRISE VALLEY | 40.10 | 47,991.67 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TOMALES-DRAKE BAYS | 46.59 | 2,158.00 | 18.29 | 43.00 | .25 | 1,920.00 | .00 | .00 | .00 |
| TRINITY | 3,118.98 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| TRUCKEE | 126.06 | 5,935.32 | .00 | .00 | .00 | 629.22 | .00 | .00 | .00 |
| TULARE-BUENA VISTA LAKES | 298.05 | .00 | .00 | .00 | .00 | 3,045.38 | .00 | .00 | .00 |
| UPPER BEAR | 56.35 | 3,081.06 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER BUTTE | 104.12 | 150.76 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER CACHE | 130.69 | 44,053.46 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER CARSON | 183.83 | 316.87 | .00 | .00 | .00 | 824.62 | .00 | .00 | .00 |
| UPPER CHOWCHILLA-UPPER FRESNO | 84.10 | 1,668.94 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER COON-UPPER AUBURN | .00 | 67.47 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER COSUMNES | 11.78 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER COW-BATTLE | 42.28 | 57.41 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER DEER-UPPER WHITE | 58.20 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER EEL | 1,745.42 | 1,973.45 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER ELDER-UPPER THOMES | 129.43 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER KAWEAH | 3.61 | 1,701.75 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER KERN | 38.02 | 7,709.59 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER KING | 77.28 | 6,931.01 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER KLAMATH | 2,065.39 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER LOS GATOS-AVENAL | 75.46 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER MERCED | 49.59 | 5,908.39 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER MOKELUMNE | 10.81 | 3,246.03 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER PIT | 734.58 | 8,476.76 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER PUTAH | 70.06 | 19,091.16 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER SAN JOAQUIN | 6.24 | 6,869.18 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER STANISLAUS | 62.23 | 2,858.10 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER STONY | 41.85 | 7,615.37 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER TULE | 78.49 | 2,485.59 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER TUOLUMNE | 119.66 | 14,685.98 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| UPPER YUBA | 168.90 | 8,819.50 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| VENTURA | 102.04 | 2,822.89 | .36 | 1.33 | .00 | .00 | .00 | .00 | .00 |
| WEST WALKER | 111.38 | 1,034.98 | .00 | .00 | .00 | 4.01 | .00 | .00 | .00 |
California 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 |
|||||
| AGRICULTURAL SUPPLY | 11,030.83 | 33.74 | 12.36 | 53.90 | |
| AGRICULTURE | 11,849.98 | 41.73 | 6.34 | 51.93 | |
| AQUACULTURE | 1,373.90 | 1.54 | .00 | 98.46 | |
| AQUATIC LIFE SUPPORT | 29,789.68 | 5.02 | 8.95 | 86.03 | |
| COLD FRESHWATER HABITAT | 24,997.01 | 3.30 | 5.59 | 91.11 | |
| COMMERCIAL AND SPORT FISHING | 10,648.53 | 2.04 | 5.04 | 92.92 | |
| CULTURAL/CEREMONIAL | 7,407.23 | .00 | 9.14 | 90.86 | |
| DRINKING WATER SUPPLY | 12,430.66 | 22.56 | 11.57 | 65.87 | |
| ENVIRONMENTAL WATER QUALITY | 6,542.28 | .00 | .00 | 100.00 | |
| ESTUARINE HABITAT | 1,588.03 | .00 | .00 | 100.00 | |
| FISH CONSUMPTION | 8,750.73 | 10.89 | 11.57 | 77.54 | |
| FLOOD PEAK ATTENUATION/FLOOD WATER STORAGE | 6,669.92 | .00 | .00 | 100.00 | |
| FRESHWATER REPLENISHMENT | 6,293.97 | 3.31 | 1.04 | 95.64 | |
| GROUND WATER RECHARGE | 7,424.51 | 12.94 | 4.55 | 82.51 | |
| HYDROPOWER GENERATION | 4,825.67 | 15.00 | 1.01 | 83.99 | |
| INDUSTRIAL PROCESS SUPPLY | 5,409.46 | 3.27 | .95 | 95.78 | |
| INDUSTRIAL SERVICE SUPPLY | 7,772.98 | 5.14 | .74 | 94.12 | |
| INLAND SALINE WATER HABITAT | 4,912.21 | .00 | 3.82 | 96.18 | |
| MARINE HABITAT | 5,575.39 | .00 | .00 | 100.00 | |
| MIGRATION OF AQUATIC ORGANISMS | 23,199.76 | .58 | 4.09 | 95.33 | |
| MUNICIPAL AND DOMESTIC SUPPLY | 11,950.16 | 22.57 | 9.63 | 67.79 | |
| NAVIGATION | 5,116.12 | 1.02 | .00 | 98.98 | |
| NON-CONTACT WATER RECREATION | 11,406.07 | 14.66 | 9.93 | 75.41 | |
| OVERALL USE SUPPORT | 32,659.48 | 4.55 | 11.04 | 84.41 | |
| PRESERVATION OF BIOLOGICAL HABITATS | 5,030.16 | .00 | 6.08 | 93.92 | |
| RARE, THREATENED, OR ENDANGERED SPECIES | 12,813.40 | 3.58 | 4.98 | 91.44 | |
| SECONDARY CONTACT RECREATION | 11,947.98 | 17.14 | 9.51 | 73.35 | |
| SHELLFISH HARVESTING | 5,281.89 | .06 | .25 | 99.69 | |
| SHELLFISHING | 5,280.30 | .06 | .25 | 99.69 | |
| SPAWNING, REPRODUCTION, AND/OR EARLY DEVELOPMENT | 22,967.63 | 1.50 | 6.93 | 91.56 | |
| SWIMMABLE | 16,510.71 | 8.59 | 8.39 | 83.02 | |
| WARM FRESHWATER HABITAT | 9,660.32 | 9.54 | 20.31 | 70.14 | |
| WATER CONTACT RECREATION | 16,057.58 | 7.07 | 8.40 | 84.53 | |
| WETLAND HABITAT | 7,534.42 | .33 | .00 | 99.67 | |
| WILDLIFE HABITAT | 26,214.35 | 4.20 | 7.62 | 88.18 | |
California Assessed Waters
Water Quality Attainment for Rivers and Streams
Description of this table
| Attainment Status | Miles | Percent of Assessed |
| Good | 910.21 | 2.77 |
| Threatened | 1,507.16 | 4.59 |
| Impaired | 30,386.00 | 92.63 |
| Total Miles Assessed | 32,803.37 | 100.00 |
California Top Causes of Impairments
for Rivers and Streams
Description of this table
| # | State Cause Name | Total Miles Impaired |
|---|---|---|
| 1 | NUTRIENTS | 12,193.83 |
| 2 | HABITAT ALTERATIONS | 11,440.07 |
| 3 | FLOW ALTERATION | 9,662.84 |
| 4 | ORGANIC ENRICHMENT/LOW DO | 6,961.67 |
| 5 | PATHOGENS/PATH.INDICATORS | 5,647.85 |
| 6 | DEBRIS | 5,209.11 |
| 7 | PESTICIDES | 3,579.40 |
| 8 | METALS | 3,308.73 |
| 9 | FILLING AND DRAINING | 1,535.40 |
| 10 | UNKNOWN TOXICITY | 1,254.46 |
California Top Probable Sources of Impairments
for Rivers and Streams
Description of this table
| # | State Source Name | Total Miles Impaired by Source |
|---|---|---|
| 1 | HABITAT MODIFICATION | 18,103.18 |
| 2 | NONPOINT SOURCE | 17,332.75 |
| 3 | HYDROMODIFICATION | 16,682.09 |
| 4 | SILVICULTURE | 15,252.56 |
| 5 | AGRICULTURE | 15,065.62 |
| 6 | EROSION/SILTATION | 12,519.99 |
| 7 | NATURAL SOURCES | 11,469.62 |
| 8 | UPSTREAM IMPOUNDMENT | 8,122.41 |
| 9 | RESOURCE EXTRACTION | 7,415.79 |
| 10 | CONSTRUCTION/LAND DEVELOPMENT | 7,322.94 |
California 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 |
|||||
| AGRICULTURAL SUPPLY | 456,823.82 | 34.10 | 8.00 | 57.90 | |
| AGRICULTURE | 469,063.03 | 35.22 | 8.15 | 56.63 | |
| AQUACULTURE | 337,079.21 | .00 | .04 | 99.96 | |
| AQUATIC LIFE SUPPORT | 977,588.55 | 23.72 | 12.36 | 63.92 | |
| COLD FRESHWATER HABITAT | 566,940.97 | 14.95 | 12.64 | 72.41 | |
| COMMERCIAL AND SPORT FISHING | 278,284.02 | 4.40 | 47.22 | 48.38 | |
| CULTURAL/CEREMONIAL | 594,423.04 | .00 | .00 | 100.00 | |
| DRINKING WATER SUPPLY | 652,895.75 | 22.14 | 19.26 | 58.59 | |
| ENVIRONMENTAL WATER QUALITY | 629,509.94 | .00 | .01 | 99.99 | |
| ESTUARINE HABITAT | 378,683.05 | .00 | .00 | 100.00 | |
| FISH CONSUMPTION | 418,376.71 | 15.56 | 42.83 | 41.61 | |
| FLOOD PEAK ATTENUATION/FLOOD WATER STORAGE | 569,530.49 | .00 | .00 | 100.00 | |
| FRESHWATER REPLENISHMENT | 417,433.85 | .16 | 3.85 | 95.99 | |
| GROUND WATER RECHARGE | 357,162.30 | 8.85 | 2.63 | 88.52 | |
| HYDROPOWER GENERATION | 555,439.67 | 8.29 | 6.94 | 84.77 | |
| INDUSTRIAL PROCESS SUPPLY | 504,429.08 | 8.51 | .60 | 90.90 | |
| INDUSTRIAL SERVICE SUPPLY | 687,211.91 | 39.06 | .21 | 60.73 | |
| INLAND SALINE WATER HABITAT | 495,026.76 | 17.96 | 6.24 | 75.80 | |
| MARINE HABITAT | 498,258.56 | .00 | .00 | 100.00 | |
| MIGRATION OF AQUATIC ORGANISMS | 453,992.98 | .33 | 19.66 | 80.01 | |
| MUNICIPAL AND DOMESTIC SUPPLY | 634,529.13 | 21.32 | 6.26 | 72.42 | |
| NAVIGATION | 414,503.26 | 35.74 | .09 | 64.17 | |
| NON-CONTACT WATER RECREATION | 823,918.75 | 22.37 | 7.65 | 69.98 | |
| OVERALL USE SUPPORT | 1,037,861.68 | 10.45 | 10.26 | 79.29 | |
| PRESERVATION OF BIOLOGICAL HABITATS | 493,676.32 | 8.07 | 4.42 | 87.52 | |
| RARE, THREATENED, OR ENDANGERED SPECIES | 732,768.01 | 16.09 | 15.56 | 68.35 | |
| SECONDARY CONTACT RECREATION | 834,312.64 | 28.12 | 7.53 | 64.35 | |
| SHELLFISH HARVESTING | 483,643.36 | .00 | .00 | 100.00 | |
| SHELLFISHING | 482,600.29 | .00 | .00 | 100.00 | |
| SPAWNING, REPRODUCTION, AND/OR EARLY DEVELOPMENT | 583,493.66 | 30.54 | 22.48 | 46.98 | |
| SWIMMABLE | 885,857.15 | 16.84 | 8.53 | 74.63 | |
| WARM FRESHWATER HABITAT | 923,629.76 | 13.99 | 8.40 | 77.61 | |
| WATER CONTACT RECREATION | 875,508.23 | 9.15 | 8.65 | 82.20 | |
| WETLAND HABITAT | 564,521.98 | .00 | .00 | 100.00 | |
| WILDLIFE HABITAT | 803,220.75 | 22.91 | 22.06 | 55.03 | |
California Assessed Waters
Water Quality Attainment for Lakes, Ponds and Reservoirs
Description of this table
| Attainment Status | Acres | Percent of Assessed |
| Good | 55,191.88 | 5.25 |
| Threatened | 18,947.99 | 1.80 |
| Impaired | 977,105.71 | 92.95 |
| Total Acres Assessed | 1,051,245.57 | 100.00 |
California Top Causes of Impairments
for Lakes, Ponds and Reservoirs
Description of this table
| # | State Cause Name | Total Acres Impaired |
|---|---|---|
| 1 | METALS | 589,674.19 |
| 2 | NUTRIENTS | 473,501.80 |
| 3 | FLOW ALTERATION | 337,375.18 |
| 4 | PATHOGENS/PATH.INDICATORS | 272,119.52 |
| 5 | ORGANIC ENRICHMENT/LOW DO | 141,140.13 |
| 6 | ALGAE | 112,244.53 |
| 7 | PESTICIDES | 91,878.89 |
| 8 | FILLING AND DRAINING | 87,978.44 |
| 9 | PRIORITY ORGANICS | 87,564.54 |
| 10 | NONPRIORITY ORGANICS | 86,937.88 |
California Top Probable Sources of Impairments
for Lakes, Ponds and Reservoirs
Description of this table
| # | State Source Name | Total Acres Impaired by Source |
|---|---|---|
| 1 | NATURAL SOURCES | 537,145.94 |
| 2 | AGRICULTURE | 396,142.56 |
| 3 | HYDROMODIFICATION | 302,373.33 |
| 4 | AGRICULTURE-SUBSURFACE DRAINAGE | 233,547.19 |
| 5 | OUT-OF-STATE SOURCE | 233,340.00 |
| 6 | NONPOINT SOURCE | 215,958.54 |
| 7 | RESOURCE EXTRACTION | 120,519.50 |
| 8 | HABITAT MODIFICATION | 118,576.48 |
| 9 | CONSTRUCTION/LAND DEVELOPMENT | 110,294.99 |
| 10 | MARINAS AND RECREATIONAL BOATING | 108,231.56 |
California 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 |
|||||
| AGRICULTURAL SUPPLY | 53.04 | .00 | .00 | 100.00 | |
| AGRICULTURE | 52.98 | .00 | .00 | 100.00 | |
| AQUACULTURE | 46.58 | .00 | .00 | 100.00 | |
| AQUATIC LIFE SUPPORT | 859.78 | .79 | .39 | 98.82 | |
| COLD FRESHWATER HABITAT | 129.56 | 3.39 | .00 | 96.61 | |
| COMMERCIAL AND SPORT FISHING | 572.57 | .67 | 2.86 | 96.48 | |
| CULTURAL/CEREMONIAL | 149.54 | .00 | .00 | 100.00 | |
| DRINKING WATER SUPPLY | 160.54 | .00 | .00 | 100.00 | |
| ENVIRONMENTAL WATER QUALITY | 149.54 | .00 | .00 | 100.00 | |
| ESTUARINE HABITAT | 353.20 | 1.07 | .50 | 98.43 | |
| FISH CONSUMPTION | 886.77 | .69 | 1.85 | 97.46 | |
| FLOOD PEAK ATTENUATION/FLOOD WATER STORAGE | 149.54 | .00 | .00 | 100.00 | |
| FRESHWATER REPLENISHMENT | 77.08 | .00 | .00 | 100.00 | |
| GROUND WATER RECHARGE | 78.15 | .01 | .00 | 99.99 | |
| HYDROPOWER GENERATION | 80.40 | .00 | .00 | 100.00 | |
| INDUSTRIAL PROCESS SUPPLY | 191.86 | 58.61 | .00 | 41.39 | |
| INDUSTRIAL SERVICE SUPPLY | 513.72 | 84.77 | .02 | 15.21 | |
| INLAND SALINE WATER HABITAT | 78.61 | .00 | .00 | 100.00 | |
| MARINE HABITAT | 82.18 | 5.37 | .76 | 93.87 | |
| MIGRATION OF AQUATIC ORGANISMS | 532.37 | .85 | .33 | 98.82 | |
| MUNICIPAL AND DOMESTIC SUPPLY | 150.37 | .00 | .00 | 100.00 | |
| NAVIGATION | 111.46 | 34.84 | .00 | 65.16 | |
| NON-CONTACT WATER RECREATION | 765.02 | 88.67 | .12 | 11.21 | |
| OVERALL USE SUPPORT | 904.36 | .76 | 2.17 | 97.06 | |
| PRESERVATION OF BIOLOGICAL HABITATS | 87.95 | 4.29 | .00 | 95.71 | |
| RARE, THREATENED, OR ENDANGERED SPECIES | 533.32 | .83 | .00 | 99.17 | |
| SECONDARY CONTACT RECREATION | 767.13 | 88.55 | .12 | 11.33 | |
| SHELLFISH HARVESTING | 713.50 | 2.00 | 2.19 | 95.81 | |
| SHELLFISHING | 713.61 | 2.33 | 2.19 | 95.47 | |
| SPAWNING, REPRODUCTION, AND/OR EARLY DEVELOPMENT | 439.73 | .14 | .40 | 99.46 | |
| SWIMMABLE | 838.30 | 80.80 | .14 | 19.06 | |
| WARM FRESHWATER HABITAT | 158.46 | .00 | 1.16 | 98.83 | |
| WATER CONTACT RECREATION | 836.19 | 80.90 | .14 | 18.97 | |
| WETLAND HABITAT | 147.68 | .00 | .00 | 100.00 | |
| WILDLIFE HABITAT | 540.48 | .82 | .34 | 98.84 | |
California Assessed Waters
Water Quality Attainment for Bays and Estuaries
Description of this table
| Attainment Status | Square Miles | Percent of Assessed |
| Good | 5.04 | .56 |
| Threatened | 17.01 | 1.88 |
| Impaired | 882.39 | 97.56 |
| Total Square Miles Assessed | 904.44 | 100.00 |
California Top Causes of Impairments
for Bays and Estuaries
Description of this table
| # | State Cause Name | Total Square Miles Impaired |
|---|---|---|
| 1 | PRIORITY ORGANICS | 853.64 |
| 2 | PESTICIDES | 841.24 |
| 3 | METALS | 745.10 |
| 4 | UNKNOWN TOXICITY | 309.98 |
| 5 | FLOW ALTERATION | 298.61 |
| 6 | HABITAT ALTERATIONS | 236.61 |
| 7 | DEBRIS | 233.97 |
| 8 | PATHOGENS/PATH.INDICATORS | 69.48 |
| 9 | FILLING AND DRAINING | 25.12 |
| 10 | ORGANIC ENRICHMENT/LOW DO | 24.90 |
California Top Probable Sources of Impairments
for Bays and Estuaries
Description of this table
| # | State Source Name | Total Square Miles Impaired by Source |
|---|---|---|
| 1 | NATURAL SOURCES | 730.89 |
| 2 | HYDROMODIFICATION | 606.85 |
| 3 | RESOURCE EXTRACTION | 581.51 |
| 4 | AGRICULTURE | 572.71 |
| 5 | NONPOINT SOURCE | 538.80 |
| 6 | BALLAST WATER | 444.89 |
| 7 | BOAT DISCHARGES/VESSEL WASTES | 158.52 |
| 8 | POINT SOURCE | 158.38 |
| 9 | UNKNOWN POINT SOURCE | 152.79 |
| 10 | EXOTIC SPECIES | 149.82 |
California Assessed Waters
Individual Use Support for Coastal Shorelines
Description of this table
| State Designated Use | Total Miles Assessed | Percent Good | Percent Threatened | Percent Impaired | % Good |
|---|---|---|---|---|---|
| % Threatened |
|||||
| % Impaired |
|||||
| AGRICULTURAL SUPPLY | 49.96 | .00 | .00 | 100.00 | |
| AGRICULTURE | 49.96 | .00 | .00 | 100.00 | |
| AQUACULTURE | 10.42 | .00 | .00 | 100.00 | |
| AQUATIC LIFE SUPPORT | 644.87 | 92.57 | .00 | 7.43 | |
| COLD FRESHWATER HABITAT | 406.46 | 83.65 | .00 | 16.35 | |
| COMMERCIAL AND SPORT FISHING | 59.18 | .00 | .00 | 100.00 | |
| CULTURAL/CEREMONIAL | 74.05 | .00 | .00 | 100.00 | |
| DRINKING WATER SUPPLY | 48.77 | .00 | .00 | 100.00 | |
| ENVIRONMENTAL WATER QUALITY | 74.05 | .00 | .00 | 100.00 | |
| ESTUARINE HABITAT | 22.56 | .00 | .00 | 100.00 | |
| FISH CONSUMPTION | 446.47 | 83.02 | .00 | 16.98 | |
| FLOOD PEAK ATTENUATION/FLOOD WATER STORAGE | 74.05 | .00 | .00 | 100.00 | |
| FRESHWATER REPLENISHMENT | 69.42 | .00 | .00 | 100.00 | |
| GROUND WATER RECHARGE | 53.04 | .00 | .00 | 100.00 | |
| HYDROPOWER GENERATION | 70.11 | .00 | .00 | 100.00 | |
| INDUSTRIAL PROCESS SUPPLY | 224.12 | 72.28 | .00 | 27.72 | |
| INDUSTRIAL SERVICE SUPPLY | 219.77 | 72.61 | .00 | 27.39 | |
| INLAND SALINE WATER HABITAT | 64.33 | .00 | .00 | 100.00 | |
| MARINE HABITAT | 593.91 | 86.24 | .00 | 13.76 | |
| MIGRATION OF AQUATIC ORGANISMS | 186.81 | 63.10 | .00 | 36.90 | |
| MUNICIPAL AND DOMESTIC SUPPLY | 48.77 | .00 | .00 | 100.00 | |
| NAVIGATION | 584.23 | 86.03 | .00 | 13.97 | |
| NON-CONTACT WATER RECREATION | 680.64 | 87.40 | .00 | 12.60 | |
| OVERALL USE SUPPORT | 766.04 | 79.49 | .00 | 20.51 | |
| PRESERVATION OF BIOLOGICAL HABITATS | 341.47 | 79.07 | .00 | 20.93 | |
| RARE, THREATENED, OR ENDANGERED SPECIES | 327.81 | 80.10 | .00 | 19.90 | |
| SECONDARY CONTACT RECREATION | 680.64 | 87.85 | .00 | 12.15 | |
| SHELLFISH HARVESTING | 602.98 | 87.44 | .00 | 12.56 | |
| SHELLFISHING | 597.19 | 88.29 | .00 | 11.71 | |
| SPAWNING, REPRODUCTION, AND/OR EARLY DEVELOPMENT | 183.75 | 60.17 | .00 | 39.83 | |
| SWIMMABLE | 681.02 | 77.95 | .00 | 22.05 | |
| WARM FRESHWATER HABITAT | 19.92 | .00 | .00 | 100.00 | |
| WATER CONTACT RECREATION | 681.02 | 77.51 | .00 | 22.49 | |
| WETLAND HABITAT | 70.11 | .00 | .00 | 100.00 | |
| WILDLIFE HABITAT | 573.51 | 92.16 | .00 | 7.84 | |
California Assessed Waters
Water Quality Attainment for Coastal Shorelines
Description of this table
| Attainment Status | Miles | Percent of Assessed |
| Good | 605.84 | 79.09 |
| Threatened | .00 | .00 |
| Impaired | 160.20 | 20.91 |
| Total Miles Assessed | 766.04 | 100.00 |
California Top Causes of Impairments
for Coastal Shorelines
Description of this table
| # | State Cause Name | Total Miles Impaired |
|---|---|---|
| 1 | METALS | 155.52 |
| 2 | PATHOGENS/PATH.INDICATORS | 119.10 |
| 3 | PESTICIDES | 63.01 |
| 4 | DEBRIS | 20.01 |
| 5 | TITANIUM | 14.00 |
| 6 | CHROMIUM | 14.00 |
| 7 | PRIORITY ORGANICS | 12.93 |
California Top Probable Sources of Impairments
for Coastal Shorelines
Description of this table
| # | State Source Name | Total Miles Impaired by Source |
|---|---|---|
| 1 | NATURAL SOURCES | 100.24 |
| 2 | NONPOINT SOURCE | 57.18 |
| 3 | POINT SOURCE | 34.49 |
| 4 | BOAT DISCHARGES/VESSEL WASTES | 20.42 |
| 5 | RECREATIONAL AND TOURISM ACTIVITIES (NON-BOATING) | 20.01 |
| 6 | AGRICULTURE | 16.44 |
| 7 | NONPOINT/POINT SOURCE | 15.47 |
| 8 | RESOURCE EXTRACTION | 11.87 |
| 9 | UNKNOWN NONPOINT SOURCE | 3.39 |
| 10 | UNKNOWN POINT SOURCE | 3.33 |
California 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 |
|||||
| AQUATIC LIFE SUPPORT | 486.41 | 100.00 | .00 | .00 | |
| COLD FRESHWATER HABITAT | 98.99 | 99.36 | .00 | .64 | |
| CULTURAL/CEREMONIAL | .63 | .00 | .00 | 100.00 | |
| DRINKING WATER SUPPLY | 153.83 | 100.00 | .00 | .00 | |
| ENVIRONMENTAL WATER QUALITY | .63 | .00 | .00 | 100.00 | |
| FISH CONSUMPTION | 486.41 | 100.00 | .00 | .00 | |
| FLOOD PEAK ATTENUATION/FLOOD WATER STORAGE | .63 | .00 | .00 | 100.00 | |
| FRESHWATER REPLENISHMENT | .63 | .00 | .00 | 100.00 | |
| HYDROPOWER GENERATION | .63 | .00 | .00 | 100.00 | |
| INDUSTRIAL SERVICE SUPPLY | 3.48 | 100.00 | .00 | .00 | |
| INLAND SALINE WATER HABITAT | .63 | .00 | .00 | 100.00 | |
| MARINE HABITAT | 99.44 | 100.00 | .00 | .00 | |
| MIGRATION OF AQUATIC ORGANISMS | 99.94 | 99.37 | .00 | .63 | |
| NAVIGATION | 99.44 | 100.00 | .00 | .00 | |
| NON-CONTACT WATER RECREATION | 99.44 | 100.00 | .00 | .00 | |
| OVERALL USE SUPPORT | 489.83 | 100.00 | .00 | .00 | |
| PRESERVATION OF BIOLOGICAL HABITATS | 99.44 | 100.00 | .00 | .00 | |
| RARE, THREATENED, OR ENDANGERED SPECIES | 99.44 | 100.00 | .00 | .00 | |
| SECONDARY CONTACT RECREATION | 486.41 | 100.00 | .00 | .00 | |
| SHELLFISH HARVESTING | 99.44 | 100.00 | .00 | .00 | |
| SHELLFISHING | 486.41 | 100.00 | .00 | .00 | |
| SPAWNING, REPRODUCTION, AND/OR EARLY DEVELOPMENT | 96.08 | 100.00 | .00 | .00 | |
| SWIMMABLE | 486.41 | 100.00 | .00 | .00 | |
| WATER CONTACT RECREATION | 99.44 | 100.00 | .00 | .00 | |
| WETLAND HABITAT | .63 | .00 | .00 | 100.00 | |
| WILDLIFE HABITAT | 96.08 | 100.00 | .00 | .00 | |
California Assessed Waters
Water Quality Attainment for Oceans, and Near Coastal
Description of this table
| Attainment Status | Square Miles | Percent of Assessed |
| Good | 489.20 | 99.87 |
| Threatened | .00 | .00 |
| Impaired | .63 | .13 |
| Total Square Miles Assessed | 489.83 | 100.00 |
California Top Causes of Impairments
for Oceans, and Near Coastal
No Causes of Impairment Reported.
California Top Probable Sources of Impairments
for Oceans, and Near Coastal
No Probable Sources Reported.
California Assessed Waters
Individual Use Support for Wetlands
Description of this table
| State Designated Use | Total Acres Assessed | Percent Good | Percent Threatened | Percent Impaired | % Good |
|---|---|---|---|---|---|
| % Threatened |
|||||
| % Impaired |
|||||
| AGRICULTURAL SUPPLY | 11,306.51 | .00 | 1.72 | 98.28 | |
| AGRICULTURE | 11,276.01 | .00 | 1.72 | 98.28 | |
| AQUACULTURE | 63,163.87 | .00 | .00 | 100.00 | |
| AQUATIC LIFE SUPPORT | 155,423.95 | 7.55 | .45 | 92.00 | |
| COLD FRESHWATER HABITAT | 66,740.15 | .26 | .29 | 99.45 | |
| COMMERCIAL AND SPORT FISHING | 62.26 | .00 | .00 | 100.00 | |
| CULTURAL/CEREMONIAL | 66,403.43 | .00 | .00 | 100.00 | |
| DRINKING WATER SUPPLY | 63,165.33 | .28 | .31 | 99.41 | |
| ENVIRONMENTAL WATER QUALITY | 3,735.01 | .00 | 5.20 | 94.80 | |
| ESTUARINE HABITAT | 129,956.10 | .00 | .00 | 100.00 | |
| FISH CONSUMPTION | 235.26 | 73.53 | .00 | 26.47 | |
| FLOOD PEAK ATTENUATION/FLOOD WATER STORAGE | 3,048.40 | .00 | .00 | 100.00 | |
| FRESHWATER REPLENISHMENT | 62,670.40 | .00 | .00 | 100.00 | |
| GROUND WATER RECHARGE | 62,861.55 | .00 | .31 | 99.69 | |
| HYDROPOWER GENERATION | 63,163.87 | .00 | .00 | 100.00 | |
| INDUSTRIAL PROCESS SUPPLY | 63,358.05 | .00 | .00 | 100.00 | |
| INDUSTRIAL SERVICE SUPPLY | 63,086.90 | .00 | .00 | 100.00 | |
| INLAND SALINE WATER HABITAT | 63,358.05 | .00 | .00 | 100.00 | |
| MARINE HABITAT | 63,388.55 | .00 | .00 | 100.00 | |
| MIGRATION OF AQUATIC ORGANISMS | 129,419.31 | .03 | .00 | 99.97 | |
| MUNICIPAL AND DOMESTIC SUPPLY | 62,971.15 | .28 | .00 | 99.72 | |
| NAVIGATION | 63,163.87 | .00 | .00 | 100.00 | |
| NON-CONTACT WATER RECREATION | 87,375.68 | 13.43 | 76.71 | 9.86 | |
| OVERALL USE SUPPORT | 197,714.37 | 5.94 | .51 | 93.56 | |
| PRESERVATION OF BIOLOGICAL HABITATS | 67,684.58 | 6.94 | .00 | 93.06 | |
| RARE, THREATENED, OR ENDANGERED SPECIES | 141,544.20 | 8.25 | 44.57 | 47.18 | |
| SECONDARY CONTACT RECREATION | 87,375.68 | 13.57 | 76.71 | 9.72 | |
| SHELLFISH HARVESTING | 63,358.05 | .00 | .00 | 100.00 | |
| SHELLFISHING | 63,358.05 | .00 | .00 | 100.00 | |
| SPAWNING, REPRODUCTION, AND/OR EARLY DEVELOPMENT | 74,973.14 | .03 | .26 | 99.71 | |
| SWIMMABLE | 87,351.70 | 13.54 | 76.73 | 9.72 | |
| WARM FRESHWATER HABITAT | 86,471.10 | 13.37 | .57 | 86.06 | |
| WATER CONTACT RECREATION | 87,351.70 | 13.41 | 76.73 | 9.86 | |
| WETLAND HABITAT | 66,169.07 | .00 | 94.59 | 5.41 | |
| WILDLIFE HABITAT | 152,333.02 | 7.70 | 41.54 | 50.76 | |
California Assessed Waters
Water Quality Attainment for Wetlands
Description of this table
| Attainment Status | Acres | Percent of Assessed |
| Good | 11,739.50 | 5.94 |
| Threatened | 805.48 | .41 |
| Impaired | 185,169.39 | 93.65 |
| Total Acres Assessed | 197,714.37 | 100.00 |
California Top Causes of Impairments
for Wetlands
Description of this table
| # | State Cause Name | Total Acres Impaired |
|---|---|---|
| 1 | METALS | 142,023.44 |
| 2 | HABITAT ALTERATIONS | 105,677.18 |
| 3 | NUTRIENTS | 66,824.34 |
| 4 | ORGANIC ENRICHMENT/LOW DO | 66,339.30 |
| 5 | FLOW ALTERATION | 27,844.19 |
| 6 | UNKNOWN TOXICITY | 12,659.01 |
| 7 | PATHOGENS/PATH.INDICATORS | 12,057.50 |
| 8 | PESTICIDES | 362.11 |
| 9 | PRIORITY ORGANICS | 120.00 |
| 10 | OTHER INORGANICS | 44.47 |
California Top Probable Sources of Impairments
for Wetlands
Description of this table
| # | State Source Name | Total Acres Impaired by Source |
|---|---|---|
| 1 | AGRICULTURE | 170,689.63 |
| 2 | HYDROMODIFICATION | 94,185.49 |
| 3 | NATURAL SOURCES | 90,510.95 |
| 4 | OTHER | 65,636.78 |
| 5 | NONPOINT SOURCE | 62,901.40 |
| 6 | GEOTHERMAL DEVELOPMENT | 62,590.40 |
| 7 | CONSTRUCTION/LAND DEVELOPMENT | 12,971.29 |
| 8 | AGRICULTURE-SUBSURFACE DRAINAGE | 7,961.89 |
| 9 | AGRICULTURAL RETURN FLOWS | 3,165.38 |
| 10 | GROUNDWATER WITHDRAWAL | 3,045.38 |
California
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) | |
| ALGAE | 139.75 | 112,244.53 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CAUSE UNKNOWN | 105.82 | 3,490.97 | 13.36 | .00 | .00 | .00 | .00 | .00 | .00 |
| CHROMIUM | 74.37 | .00 | .17 | 14.00 | .00 | .00 | .00 | .00 | .00 |
| DEBRIS | 5,209.11 | 862.31 | 233.97 | 20.01 | .00 | .00 | .00 | .00 | .00 |
| FILLING AND DRAINING | 1,535.40 | 87,978.44 | 25.12 | .00 | .00 | 8.00 | .00 | .00 | .00 |
| FLOW ALTERATION | 9,662.84 | 337,375.18 | 298.61 | .00 | .00 | 27,844.19 | .00 | .00 | .00 |
| HABITAT ALTERATIONS | 11,440.07 | 68,094.05 | 236.61 | .00 | .00 | 105,677.18 | .00 | .00 | .00 |
| METALS | 3,308.73 | 589,674.19 | 745.10 | 155.52 | .00 | 142,023.44 | .00 | .00 | .00 |
| NONPRIORITY ORGANICS | 28.02 | 86,937.88 | 1.68 | .00 | .00 | 13.23 | .00 | .00 | .00 |
| NUTRIENTS | 12,193.83 | 473,501.80 | 22.48 | .00 | .00 | 66,824.34 | .00 | .00 | .00 |
| ORGANIC ENRICHMENT/LOW DO | 6,961.67 | 141,140.13 | 24.90 | .00 | .00 | 66,339.30 | .00 | .00 | .00 |
| OTHER INORGANICS | 222.64 | 953.51 | .00 | .00 | .00 | 44.47 | .00 | .00 | .00 |
| PATHOGENS/PATH.INDICATORS | 5,647.85 | 272,119.52 | 69.48 | 119.10 | .00 | 12,057.50 | .00 | .00 | .00 |
| PESTICIDES | 3,579.40 | 91,878.89 | 841.24 | 63.01 | .00 | 362.11 | .00 | .00 | .00 |
| PRIORITY ORGANICS | 449.39 | 87,564.54 | 853.64 | 12.93 | .00 | 120.00 | .00 | .00 | .00 |
| RADIATION | 22.21 | 48,264.37 | .00 | .00 | .00 | 2.41 | .00 | .00 | .00 |
| TITANIUM | .00 | .00 | .00 | 14.00 | .00 | .00 | .00 | .00 | .00 |
| TOTAL TOXICS | 137.94 | 8,537.40 | 1.68 | .00 | .00 | .00 | .00 | .00 | .00 |
| UNKNOWN TOXICITY | 1,254.46 | 2,450.73 | 309.98 | .00 | .00 | 12,659.01 | .00 | .00 | .00 |
California
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) | |
| AGRICULTURAL RETURN FLOWS | 2,270.08 | 28,161.12 | .01 | .00 | .00 | 3,165.38 | .00 | .00 | .00 |
| AGRICULTURAL WATER DIVERSION | 1,954.25 | 47,991.67 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| AGRICULTURE | 15,065.62 | 396,142.56 | 572.71 | 16.44 | .00 | 170,689.63 | .00 | .00 | .00 |
| AGRICULTURE-ANIMAL | 808.54 | 12.34 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| AGRICULTURE-GRAZING | 2,262.89 | .00 | .00 | 3.31 | .00 | .00 | .00 | .00 | .00 |
| AGRICULTURE-IRRIGATION TAILWATER | 5,148.82 | 1,135.59 | .85 | .00 | .00 | .00 | .00 | .00 | .00 |
| AGRICULTURE-STORM RUNOFF | 3,684.70 | .00 | 3.87 | .00 | .00 | .00 | .00 | .00 | .00 |
| AGRICULTURE-SUBSURFACE DRAINAGE | 2,904.11 | 233,547.19 | 68.88 | .00 | .00 | 7,961.89 | .00 | .00 | .00 |
| BALLAST WATER | .00 | .00 | 444.89 | .00 | .00 | .00 | .00 | .00 | .00 |
| BOAT DISCHARGES/VESSEL WASTES | .00 | 86,111.20 | 158.52 | 20.42 | .00 | .00 | .00 | .00 | .00 |
| BOATYARDS | .00 | 85,446.94 | 26.63 | .41 | .00 | .00 | .00 | .00 | .00 |
| BRIDGE CONSTRUCTION | 755.61 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| CHANNEL EROSION | 6,433.64 | .00 | 1.02 | .00 | .00 | .00 | .00 | .00 | .00 |
| CONSTRUCTION/LAND DEVELOPMENT | 7,322.94 | 110,294.99 | 15.61 | 3.04 | .00 | 12,971.29 | .00 | .00 | .00 |
| DAIRIES | 803.97 | 1,193.56 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DISTURBED SITES (LAND DEVELOP.) | 2,133.00 | 85,500.10 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| DOMESTIC USE OF GROUND WATER | .00 | .00 | 33.86 | .00 | .00 | .00 | .00 | .00 | .00 |
| EROSION/SILTATION | 12,519.99 | 2,299.95 | 2.37 | .00 | .00 | .00 | .00 | .00 | .00 |
| EXOTIC SPECIES | 54.76 | .00 | 149.82 | .00 | .00 | .00 | .00 | .00 | .00 |
| GEOTHERMAL DEVELOPMENT | 462.71 | 58,420.67 | .00 | .00 | .00 | 62,590.40 | .00 | .00 | .00 |
| GOLF COURSE ACTIVITIES | 35.92 | .00 | .00 | .00 | .00 | 194.18 | .00 | .00 | .00 |
| GROUNDWATER LOADINGS | 30.94 | 384.51 | 123.90 | .00 | .00 | .00 | .00 | .00 | .00 |
| GROUNDWATER WITHDRAWAL | 52.52 | 97,546.20 | 33.86 | .00 | .00 | 3,045.38 | .00 | .00 | .00 |
| HABITAT MODIFICATION | 18,103.18 | 118,576.48 | .48 | .00 | .00 | 336.72 | .00 | .00 | .00 |
| HIGHWAY/ROAD/BRIDGE CONSTRUCTION | 3,315.28 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| HYDROMODIFICATION | 16,682.09 | 302,373.33 | 606.85 | .00 | .00 | 94,185.49 | .00 | .00 | .00 |
| ILLEGAL DUMPING | 71.16 | .00 | 25.12 | .00 | .00 | .00 | .00 | .00 | .00 |
| IN-WATER RELEASES | .00 | 819.28 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| INTENSIVE ANIMAL FEEDING OPERATIONS | 938.78 | .00 | .02 | 1.20 | .00 | .00 | .00 | .00 | .00 |
| LAND DISPOSAL | 1,795.96 | 32,850.82 | 16.02 | 1.20 | .00 | 496.32 | .00 | .00 | .00 |
| LUST/LEAKING UNDERGROUND STORAGE TANKS | .00 | .00 | 25.12 | .00 | .00 | .00 | .00 | .00 | .00 |
| MAJOR INDUSTRIAL POINT SOURCE | 609.04 | .00 | 33.86 | .00 | .00 | .00 | .00 | .00 | .00 |
| MAJOR MUNICIPAL POINT SOURCE-DRY AND/OR WET WEATHER DISCHARGE | 609.04 | .00 | 33.86 | .00 | .00 | .00 | .00 | .00 | .00 |
| MANURE LAGOONS | 134.03 | .00 | .31 | .00 | .00 | .00 | .00 | .00 | .00 |
| MARINAS AND RECREATIONAL BOATING | .00 | 108,231.56 | 29.85 | .70 | .00 | .00 | .00 | .00 | .00 |
| MINOR INDUSTRIAL POINT SOURCE | 609.04 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| MINOR MUNICIPAL POINT SOURCE-DRY AND/OR WET WEATHER DISCHARGE | 630.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NATURAL RUNOFF | 7.94 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| NATURAL SOURCES | 11,469.62 | 537,145.94 | 730.89 | 100.24 | .00 | 90,510.95 | .00 | .00 | .00 |
| NONPOINT SOURCE | 17,332.75 | 215,958.54 | 538.80 | 57.18 | .00 | 62,901.40 | .00 | .00 | .00 |
| NONPOINT/POINT SOURCE | 684.01 | .00 | 17.07 | 15.47 | .00 | .00 | .00 | .00 | .00 |
| NURSERIES | 23.29 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| OTHER | 996.23 | 3,978.25 | 15.66 | .00 | .00 | 65,636.78 | .00 | .00 | .00 |
| OTHER URBAN RUNOFF | 501.91 | 22,398.62 | .01 | 1.09 | .00 | 2.00 | .00 | .00 | .00 |
| OUT-OF-STATE SOURCE | 2,740.81 | 233,340.00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PASTURE GRAZING-RIPARIAN | 7.93 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| PASTURE GRAZING-RIPARIAN AND/OR UPLAND | 2,211.78 | 7,695.05 | 18.03 | .00 | .00 | 10.00 | .00 | .00 | .00 |
| PASTURE GRAZING-UPLAND | 92.87 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| POINT SOURCE | 566.33 | 187.63 | 158.38 | 34.49 | .00 | .00 | .00 | .00 | .00 |
| RAILROAD SLAG PILE | .00 | .00 | .12 | .00 | .00 | .00 | .00 | .00 | .00 |
| RECREATIONAL AND TOURISM ACTIVITIES (NON-BOATING) | 373.90 | 8,571.37 | .21 | 20.01 | .00 | 787.39 | .00 | .00 | .00 |
| RESOURCE EXTRACTION | 7,415.79 | 120,519.50 | 581.51 | 11.87 | .00 | 17.00 | .00 | .00 | .00 |
| ROAD CONSTRUCTION | 625.36 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SALTWATER INTRUSION | 31.93 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SEDIMENT RESUSPENSION | 32.17 | 164.31 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SILVICULTURAL POINT SOURCES | 3,727.62 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SILVICULTURE | 15,252.56 | 106,887.28 | .00 | .00 | .00 | 2.00 | .00 | .00 | .00 |
| STORM SEWERS | 10.03 | 747.10 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| SUBSURFACE MINING | .00 | 2,599.93 | .00 | .00 | .00 | 1.00 | .00 | .00 | .00 |
| SURFACE RUNOFF | 450.17 | 85,756.72 | 1.27 | .00 | .00 | .00 | .00 | .00 | .00 |
| TRANSIENT ENCAMPMENTS | 73.20 | .00 | 25.22 | 3.12 | .00 | .00 | .00 | .00 | .00 |
| UNKNOWN NONPOINT SOURCE | 1,850.33 | 2,874.83 | 71.99 | 3.39 | .00 | .00 | .00 | .00 | .00 |
| UNKNOWN POINT SOURCE | 437.96 | 7,092.69 | 152.79 | 3.33 | .00 | .00 | .00 | .00 | .00 |
| UPSTREAM IMPOUNDMENT | 8,122.41 | 7,647.39 | 13.35 | .00 | .00 | .00 | .00 | .00 | .00 |
| URBAN RUNOFF--EROSION AND SEDIMENTATION | 1.88 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| URBAN RUNOFF--INDUSTRIAL PERMITTED | 87.23 | .00 | .00 | .00 | .00 | .00 | .00 | .00 | .00 |
| URBAN RUNOFF--NON-INDUSTRIAL PERMITTED | 505.78 | .00 | 3.39 | .29 | .00 | .00 | .00 | .00 | .00 |
| WASTEWATER | 583.68 | 21,252.72 | 2.06 | .87 | .00 | .00 | .00 | .00 | .00 |
| WATER DIVERSIONS | 5,536.69 | .00 | .00 | .00 | .00 | 74.56 | .00 | .00 | .00 |
