California
303d streams
listed by Watershed
Reg Type Water Body Hydro TMDL Size Unit Targeted* Pollutant Probable Start End Name Unit Priority for TMDL or Stressor Sources Date Date 1 E Estero Americano 115.30 High 692 A Y Nutrients "Pasture Lands, Manure Lagoons" 4/97 9/99 1 E Estero de San Antonio 115.40 High 319 A Y Nutrients "Pasture Lands, Manure Lagoons" 4/96 4/98 1 R Albion River 113.40 Medium 14 M N Siltation Silviculture 4/2011 4/2013 1 R Americano Creek 115.30 High 7 M Y Nutrients "Pasture Lands, Manure Lagoons" 4/97 4/99 1 R Beaughton Creek 105.50 Low 6 M N Unpermitted discharge of waste "Industrial Point Source, Nonpoint Source" 1 R Big River 113.30 Medium 40 M N Siltation "Silviculture, Nonpoint Source" 4/2001 4/2003 1 R Eel River 111.00 Low 200 M N "Siltation, Temperature" "Industrial and Municipal Point Sources, Silviculture, Range Land, Nonpoint Source" 2/2015 2/2017 1 R Garcia River 113.70 High 39 M Y Siltation "Silviculture, Nonpoint Source" 9/97 9/99 1 R Gualala River 113.80 Medium 35 M N Siltation "Industrial Point Source, Silviculture" 4/2001 4/2003 1 R Klamath River 105.00 Medium 190 M N "Temperature, Nutrients" "Industrial and Municipal Point Sources (in Oregon), Irrigated Agriculture, Nonpoint Source, Surface Mining, Silviculture" 4/2002 2/2006 1 R Laguna de Santa Rosa 114.21 High 26 M Y Nutrients "Pasture Land, Manure Lagoons, Municipal Point Sources, Nonpoint Sources" 3/95 8/97 1 R Mad River 109.00 Low 90 M N "Siltation, Turbidity" "Industrial Point Source, Municipal Point Source, Silviculture, Nonpoint Source" 4/2015 4/2017 1 R Mattole River 112.30 Medium 56 M N "Siltation, Temperature" "Range Land, Silviculture" 2/2002 2/2004 1 R Navarro River 113.50 Medium 25 M N "Siltation, Temperature" "Silviculture, Nonpoint Source" 4/2000 4/2002 1 R Noyo River 113.20 Medium 35 M N Siltation Silviculture 4/99 4/2001 1 R Redwood Creek 107.00 Low 63 M Y Siltation "Range Land, Silviculture" 4/98 4/2000 1 R Scott River 105.40 Low 68 M N "Siltation, Temperature" "Silviculture, Nonpoint Source, Irrigated Crop Production, Pasture Land" 2/2003 4/2000 1 R Shasta River 105.50 Low 52 M N "Low Dissolved Oxygen, Temperature" "Irrigated Crop Production, Pasture Land, Nonpoint Source, Industrial and Municipal Point Sources" 2/2003 9/2005 1 R Stemple Creek 115.40 High 17 M Y Nutrients "Pasture Lands, Manure Lagoons, Nonpoint Source" 4/96 4/98 1 R Ten Mile River 113.13 Medium 10 M N Siltation "Nonpoint Source, Silviculture" 1 R Tomki Creek 111.62 Low 18 M N Siltation "Nonpoint Source, Range Land, Silviculture" 2/2015 2/2017 1 R Trinity River 106.00 Medium 170 M N Siltation "Industrial and Municipal Point Sources, Silviculture, Nonpoint Source, Range Land" 1 R "Trinity River, South Fork" 106.20 Low 80 M N Siltation "Silviculture, Nonpoint Source, Industrial Point Source" 1 R Van Duzen River 111.20 Low 63 M N Siltation "Range Land, Silviculture, Industrial Point Source" 2/2020 2/2022 2 B Carquinez Strait 207.10 Medium 6560 A N Metals "Municipal and Industrial Point Sources, Surface Mining, Urban Runoff/Storm Sewers" 2 B Richardson Bay 203.13 Medium 2560 A N Pathogens "Urban Runoff/ Storm Sewers, Marinas" 2 B "San Francisco Bay, Central" 203.12 Medium ### A N Metals "Municipal and Industrial Point Sources, Surface Mining, Urban Runoff/Storm Sewers" 2 B "San Francisco Bay, Lower" 204.10 Medium ### A N Metals "Municipal Point Sources, Urban Runoff/Storm Sewer" 2 B "San Francisco Bay, South" 205.10 High ### A Y Metals "Municipal Point Sources, Urban Runoff/Storm Sewer, Surface Mining" 2 B San Pablo Bay 206.10 Medium ### A N Metals "Municipal and Industrial Point Sources, Surface Mining, Urban Runoff/Storm Sewers" 2 B Suisun Bay 207.10 Medium ### A N Metals "Municipal and Industrial Point Sources, Surface Mining, Urban Runoff/Storm Sewers" 2 B Tomales Bay 201.11 Medium 7820 A N Metals Mine Tailings 2 B Tomales Bay 201.11 Medium 7820 A N Nutrients Agriculture 2 B Tomales Bay 201.11 Medium 7820 A N Pathogens "Onsite Wastewater Systems (Septic Tanks), Animal Operations" 2 B Tomales Bay 201.11 Medium 7820 A N Siltation "Agriculture, Upstream Impoundment" 2 L Calero Reservoir 205.40 High 350 A Y Mercury Surface Mining/Mine Tailings 2 L Guadalupe Reservoir 205.40 High 80 A Y Mercury Surface Mining/Mine Tailings 2 L Herman Lake 207.21 Low 110 A N Mercury Surface Mining 2 R Alamitos Creek 205.40 High 21 M Y Mercury Surface Mining/Mine Tailings 2 R Guadalupe Creek 205.40 High 6 M Y Mercury Surface Mining/Mine Tailings 2 R Guadalupe River 205.40 High 30 M Y Mercury Surface Mining/Mine Tailings 2 R Lagunitas Creek 201.13 Medium 22 M N "Pathogens, Nutrients, Siltation" "Agriculture, Urban Runoff/Storm Sewers" 2 R Napa River 206.50 High 55 M Y Nutrients Agriculture 2 R Napa River 206.50 High 55 M Y Pathogens "Urban Runoff/Storm Sewers, Agriculture" 2 R Napa River 206.50 High 55 M Y Siltation "Construction, Agriculture, Urban Runoff/Storm Sewers" 2 R Petaluma River 206.30 Medium 25 M N "Nutrients, Pathogens, Siltation" "Agriculture, Construction, Urban Runoff/Storm Sewers" 2 R Sonoma Creek 206.40 Medium 23 M N "Nutrients, Pathogens, Siltation" "Agriculture, Construction, Urban Runoff/Storm Sewers" 2 R Walker Creek 201.12 Medium 25 M N "Nutrients, Siltation" Agriculture 2 R Walker Creek 201.12 Medium 25 M N Metals Surface Mining/Mine Tailings 2 W Suisun Marsh Wetlands 207.23 Medium ### A N "Metals, Nutrients, Salinity, Low Dissolved Oxygen" "Agriculture, Urban Runoff/Storm Sewers, Flow Regulation/Modification" 3 B Monterey Harbor 309.50 Low 74 A Y Metals Railroad Slag Pile 3 B Monterey Harbor 309.50 Low 74 A Y Unknown Toxicity Nonpoint Source 3 B Morro Bay 310.22 Low 100 A N Metals "Nonpoint Source, Boat Discharge" 3 B Morro Bay 310.22 Low 50 A N Pathogens Nonpoint Source 3 B Morro Bay 310.22 High 100 A Y Siltation Agriculture 12/97 12/98 3 B Moss Landing Harbor 306.00 Low 40 A N Pathogens Boat Discharge 3 B Moss Landing Harbor 306.00 Low 40 A N Pesticides "Specialty Crop Production, Agriculture, Irrigated Crop Production" 3 B Moss Landing Harbor 306.00 Medium 160 A Y Siltation Unknown Source 12/98 12/99 3 C Monterey Bay South 309.50 Low 10 M Y Metals Surface Mining 3 C Monterey Bay South 309.50 Low 10 M Y Pesticides Agriculture 3 E Carpinteria Marsh (El Estero Marsh) 315.34 Low 80 A Y Nutrients Agriculture 3 E Carpinteria Marsh (El Estero Marsh) 315.34 Low 80 A N "Organic Enrichment, Low Dissolved Oxygen" Construction 3 E Carpinteria Marsh (El Estero Marsh) 315.34 Low 80 A N Other Habitat Alterations Nonpoint Source 3 E Carpinteria Marsh (El Estero Marsh) 315.34 Low 80 A N Priority Organics Urban Runoff/Storm Sewers 3 E Carpinteria Marsh (El Estero Marsh) 315.34 Low 80 A Y Siltation "Storm Sewers, Construction" 3 E Elkhorn Slough 306.00 Low 500 A N Pathogens Nonpoint Source 3 E Elkhorn Slough 306.00 Medium 500 A Y Pesticides "Agriculture, Nonpoint Source" 12/98 12/99 3 E Elkhorn Slough 306.00 Medium 50 A Y Siltation Agriculture 3 E Goleta Slough/Estuary 315.31 Low 200 A Y Metals Industrial Point Sources 3 E Goleta Slough/Estuary 315.31 Low 200 A N Pathogens Urban Runoff/Storm Sewers 3 E Goleta Slough/Estuary 315.31 Low 200 A Y Priority Organics Nonpoint Source 3 E Goleta Slough/Estuary 315.31 Low 200 A Y Siltation Construction 3 E Old Salinas River Estuary 309.10 Low 50 A N Nutrients Agriculture 3 E Old Salinas River Estuary 309.10 Low 50 A Y Pesticides Agriculture 3 E Salinas River Lagoon (North) 309.10 Low 75 A N Nutrients Nonpoint Source 3 E Salinas River Lagoon (North) 309.10 Low 75 A Y Pesticides Agriculture 3 E Salinas River Lagoon (North) 309.10 Low 75 A N Siltation Nonpoint Source 3 E San Lorenzo River Estuary 304.12 Low 20 A N Pathogens "Natural Sources, Urban Runoff/ Storm Sewers" 3 E Watsonville Slough 305.10 Low 300 A N Oil and Grease Urban Runoff/Storm Sewers 3 E Watsonville Slough 305.10 Low 300 A N Pathogens "Urban Runoff/Storm Sewers, Source Unknown" 3 E Watsonville Slough 305.10 Low 300 A Y Pesticides Agriculture 3 E Watsonville Slough 305.10 Low 300 A Y Siltation "Agriculture, Storm Sewers" 3 L Nacimiento Reservoir 309.82 Low 5370 A Y Metals "Natural Sources, Resource Extraction" 3 R Aptos Creek 304.13 Low 4 M N Pathogens "Land Development, Urban Runoff/Storm Sewers, Septic Tanks" 3 R Aptos Creek 304.13 Low 4 M Y Siltation "Land Disturbed Sites, Channel Erosion" 3 R Blanco Drain 309.10 Low 8 M Y Pesticides Agriculture 3 R Carbonera Creek 304.12 Low 10 M N Nutrients Construction 3 R Carbonera Creek 304.12 Low 10 M N Pathogens "Nonpoint Source, Septic Tanks" 3 R Carbonera Creek 304.12 Low 10 M N Siltation Nonpoint Source 3 R Carpinteria Creek 315.34 Low 6 M Y Pathogens "Agriculture, Septic Tanks, Land Disposal" 3 R Chorro Creek 310.22 Low 11 M N Metals Resource Extraction 3 R Chorro Creek 310.22 High 11 M Y Siltation Agriculture 12/97 12/98 3 R Las Tablas Creek 309.81 Low 13 M Y Metals Surface Mining 3 R "Las Tablas Creek, North Fork" 309.81 Low 5 M Y Metals Surface Mining 3 R "Las Tablas Creek, South Fork" 309.81 Low 4 M Y Metals Surface Mining 3 R Llagas Creek 305.30 Medium 22 M Y Nutrients "Habitat Modification, Agriculture, Urban Runoff/Storm Sewers, Hydromodification, Municipal Point Sources" 3 R Llagas Creek 305.30 Medium 22 M Y Siltation "Hydromodification, Habitat Modification, Agriculture" 3 R Lompico Creek 304.12 Low 5 M N Nutrients Septic Tanks 3 R Lompico Creek 304.12 Low 5 M N Pathogens "Nonpoint Source, Natural Sources" 3 R Lompico Creek 304.12 Low 5 M N Siltation "Construction, Channelization" 3 R Los Osos Creek 310.22 Low 10 M N Priority Organics Urban Runoff/Storm Sewers 3 R Los Osos Creek 310.22 High 10 M Y Siltation Agricultural Grazing 12/97 12/98 3 R Mission Creek 315.32 Low 9 M Y Pathogens Urban Runoff/Storm Sewers 3 R Mission Creek 315.32 Low 9 M Y Unknown Toxicity Urban Runoff/Storm Sewers 3 R Old Salinas River 309.10 Low 5 M Y Pesticides Agriculture 3 R Pajaro River 305.00 Medium 49 M Y Nutrients "Habitat Modification, Urban Runoff/Storm Sewers, Hydromodification, Agriculture" 3 R Pajaro River 305.00 Medium 49 M Y Siltation "Hydromodification, Agriculture, Habitat Modification" 3 R Rider Gulch Creek 305.10 Low 2 M Y Siltation Agriculture 3 R Salinas Reclamation Canal 309.20 Low 20 M Y Pesticides Agriculture 3 R Salinas Reclamation Canal 309.20 Low 20 M Y Priority Organics "Nonpoint Source, Agriculture" 3 R Salinas River 309.10 Low 50 M N Nutrients Agriculture 3 R Salinas River 309.10 Low 50 M Y Pesticides Agriculture 3 R Salinas River 309.10 Low 50 M N Salinity/Total Dissolved Solids/Chlorides Agriculture 3 R Salinas River 309.10 Low 90 M N Siltation Agriculture 3 R San Lorenzo River 304.12 High 25 M Y Nutrients Septic Tanks 12/94 12/95 3 R San Lorenzo River 304.12 High 25 M Y Siltation "Silviculture, Urban Runoff/Storm Sewers, Construction, Land Development" 12/94 12/2000 3 R San Luis Obispo(Below West Marsh Street) 310.24 High 9 M Y Nutrients "Municipal Point Sources, Agriculture" 12/95 12/96 3 R San Luis Obispo(Below West Marsh Street) 310.24 Low 9 M N Pathogens Urban Runoff/Storm Sewers 3 R San Luis Obispo(Below West Marsh Street) 310.24 Low 9 M N Priority Organics Industrial Point Sources 3 R Santa Ynez River 314.00 Low 70 M Y Nutrients Nonpoint Source 3 R Santa Ynez River 314.00 Low 70 M Y Salinity/Total Dissolved Solids/Chlorides Agriculture 3 R Santa Ynez River 314.00 Low 70 M N Siltation "Urban Runoff/Storm Sewers, Resource Extraction" 3 R Shingle Mill Creek 304.12 Low 2 M N Nutrients "Septic Tanks, Urban Runoff/ Storm Sewers" 3 R Shingle Mill Creek 304.12 Low 2 M N Siltation "Nonpoint Source, Construction" 3 R Valencia Creek 304.13 Low 7 M N Pathogens "Agriculture, Septic Tanks" 3 R Valencia Creek 304.13 Low 7 M Y Siltation "Construction, Agriculture" 3 R "Waddell Creek, East Branch" 304.11 Low 3 M N Nutrients Municipal Point Sources 3 W Espinosa Slough 309.10 Low 320 A N Nutrients Storm Sewer 3 W Espinosa Slough 309.10 Low 320 A Y Pesticides "Agriculture, Urban Runoff/ Storm Sewers" 3 W Espinosa Slough 309.10 Low 320 A Y Priority Organics Nonpoint Source 3 W Moro Cojo Slough 309.10 Low 345 A Y Pesticides "Agriculture, Construction" 3 W Moro Cojo Slough 309.10 Low 345 A Y Siltation Agriculture 3 W Salinas River Refuge Lagoon (South) 309.10 Low 163 A N Nutrients Agriculture 3 W Salinas River Refuge Lagoon (South) 309.10 Low 163 A Y Pesticides Agriculture 3 W Salinas River Refuge Lagoon (South) 309.10 Low 163 A N Salinity/Total Dissolved Solids/Chlorides Agriculture 3 W Schwan Lake 304.12 Low 32 A N Nutrients Nonpoint Source 3 W Schwan Lake 304.12 Low 32 A N Pathogens Urban Runoff/Storm Sewers 3 W Soquel Lagoon 304.13 Low 2 A N Nutrients Septic Tanks 3 W Soquel Lagoon 304.13 Low 2 A Y Pathogens Nonpoint Source 3 W Soquel Lagoon 304.13 Low 2 A N Siltation Construction 3 W Tembladero Slough 309.10 Low 150 A N Nutrients Nonpoint Source 3 W Tembladero Slough 309.10 Low 150 A Y Pesticides Agriculture 4 B Channel Islands Harbor 403.11 Low 220 A N "Elevated Sediment Levels (Lead, Zinc)" Nonpoint Source 4 B "Long Beach Harbor, particularly Main Channel, Southeast Basin, West Basin, Pier J, and breakwater" 405.12 Low 3594 A N "Elevated Tissue Levels (DDT, PCBs), Benthic community effects, Elevated Sediment Levels (PAHs), Sediment Toxicity, Fish Consumption Advisory (DDT, PCBs)" Nonpoint Source 4 B "Los Angeles Harbor: At Main Channel, Fish Harbor, Cabrillo Pier, and Breakwater" 405.12 Low 3785 A N "Elevated Tissue Levels (DDT, PCBs, Zinc, Copper, PAHs), Elevated Sediment Levels (DDT, PCBs, Copper, Zinc, PAHs, Tributlytin), Sediment Toxicity, Beach closures, Fish Consumption Advisory (DDT, PCBs)" Nonpoint/Point Source 4 B Los Angeles Harbor: Consolidated Slip 405.12 Low 37.1 A N "Elevated Tissue Levels (DDT, Chlordane, PCBs, Tributyltin, Zinc), Sediment Toxicity, Benthic community effects, Elevated Sediment Levels (PAHs, Zinc, Chromium, Lead, DDT, Chlordane, PCBs), Fish Consumption Advisory (DDT, PCBs)" Nonpoint Source 4 B Los Angeles Harbor: Southwest Slip 405.12 Low 30 A N "Sediment Toxicity, Fish Consumption Advisory (DDT, PCBs)" Nonpoint Source 4 B Marina del Rey Harbor 405.13 Low 413 A N "Elevated Tissue Levels (Chlordane, DDT, PCBs, Tributyltin, Zinc, Copper, Lead, ChemA, Dieldrin), Elevated Sediment Levels (Zinc, Copper, Lead, Chlordane, DDT), Sediment Toxicity, Benthic community effects, Coliform, Fish Consumption Advisory, Shellfish Ha" Nonpoint Source 4 B Point Hueneme Harbor 403.11 Low 50 A N "Elevated Sediment Levels (PAHs), Elevated Tissue Levels (DDT, PCBs, Tributyltin, Zinc)" Nonpoint Source 4 B San Pedro Bay nearshore and offshore zone: Cabrillo Pier area 405.12 Low ### A N "Elevated Tissue Levels (DDT), Sediment Toxicity, Elevated Sediment Levels (PAHs, DDT, Zinc, Copper, Chromium), Fish Consumption Advisory (DDT, PCBs)" Nonpoint/Point Source 4 B "SANTA MONICA BAY NEARSHORE ZONE AND OFFSHORE ZONE: Hyperion 5 mile and 7 mile outfall area, Joint Water Pollution Control Plant outfall area, Palos Verdes shelf, Marina del Rey area, Santa Monica Pier area, Manhattan Beach area, Redondo Pier area, Malibu " various Low ### A N "Sediment Toxicity, Elevated Tissue Levels (Silver, DDT, Chromium, Lead, PCBs), Elevated Sediment Levels (Cadmium, Copper, Lead, Mercury, Nickel, Zinc, DDT, PCBs, Chlordane, PAHs), Debris, Fish Consumption Advisories" Nonpoint/Point Source 4 B Santa Monica Bay/Southern L.A. County beaches: Ventura County line to Long Beach City line various Low ### A N "High coliform counts and/or beach closures, Fish Consumption Advisories" Nonpoint Source 4 B Ventura Harbor: Ventura Keys at Arrundell Barranca 403.11 Low 40 A N Coliform Nonpoint Source 4 C Mandalay Beach 403.11 Low 1.55 M N Beach Closures Nonpoint Source 4 C McGrath Beach 403.11 Low 1.35 M N "Coliform, Beach Closures" Nonpoint Source 4 C Santa Clara River Estuary Beach/Surfers Knoll 403.11 Low 0.56 M N Coliform Nonpoint Source 4 E Ballona Creek Estuary 405.13 Low 2.5 M N "Sediment Toxicity, Elevated Sediment Levels (Lead, Zinc, DDT, Arochlor, PCBs, PAHs, Chlordane), Elevated Tissue Levels (Chlordane, PCBs), Coliform, Shellfish Harvesting Advisory" Nonpoint/Point Source 4 E Dominguez Channel (includes estuary) 405.12 Low 8.4 M N "Ammonia, Copper, Lead, Elevated Sediment Levels (Chromium, Zinc, DDT, PAHs), Elevated Tissue Levels (Aldrin, Chlordane, DDT, Dieldrin, PCBs, ChemA, Lead), Benthic community impairment, Coliform" Nonpoint/Point Source 4 E Malibu Lagoon 404.21 Low 32.5 A N "Benthic Community, Elevated Tissue Levels (Arsenic, Chromium, Nickel, Selenium, Lead, Silver), Eutrophic, Coliform, Enteric Viruses, swimming restriction, Shellfish Harvesting Advisory" Nonpoint/Point Source 4 E McGrath Lake (Estuary) 403.11 Low 1.35 M N "Elevated Sediment Levels (DDT, Chlordane, total pesticides), Sediment Toxicity" Nonpoint Source 4 E Mugu Lagoon 403.11 Low 4.5 A N "Copper,Mercury, Nickel, Zinc, Bird Reproductivity (DDT), Elevated Tissue Levels (Chlordane, DDT, Endosulfan, Dacthal, Toxaphene, PCBs, Arsenic, Cadmium, Silver), Nitrogen, Elevated Sediment Levels (DDT, Toxaphene), Sediment Toxicity, Excessive Sediment" Nonpoint/Point Source 4 E San Gabriel River Estuary 405.15 Low 2.95 M N "Elevated Tissue Levels (Arsenic, Copper, Silver, Chromium), Toxicity, Abnormal Fish Histology" Nonpoint/Point Source 4 E Santa Clara River Estuary 403.11 Low 2.07 M N Coliform Nonpoint Source 4 E Ventura River Estuary 402.10 Low 0.35 M N "Elevated Tissue Levels (DDT), Eutrophic, Trash, Algae" Nonpoint/Point Source 4 L Calabasas Lake 405.21 Low 28 A N "Ammonia, Elevated Tissue Levels (DDT, Copper, Zinc, Cadmium), Eutrophic, Low Dissolved Oxygen, pH, Odors" Nonpoint Source 4 L Crystal Lake 405.43 Low 5.8 A N Low Dissolved Oxygen Nonpoint Source 4 L Echo Park Lake 405.15 Low 23 A N "Ammonia, Copper, Lead, Eutrophic, Elevated Tissue Levels (PCBs), pH, Odors, Trash, Algae" Nonpoint Source 4 L El Dorado Lakes 405.15 Low 220 A N "Ammonia, Copper, Lead, Eutrophic, Elevated Tissue Levels (Mercury, Chromium), pH, Algae" Nonpoint Source 4 L Elizabeth Lake 403.51 Low 194 A N "pH, Eutrophic, Low Dissolved Oxygen, Trash" Nonpoint Source 4 L Lake Hughes 403.51 Low 34 A N "Eutrophic, Fish kills, Trash, Odors, Algae" Nonpoint Source 4 L Lake Lindero 404.23 Low 13.6 A N "Chloride, Specific Conductivity, Selenium, Eutrophic, Elevated Tissue Levels (Selenium, Oxadiazon), Odors, Trash, Algae" Nonpoint Source 4 L Lake Sherwood 404.26 Low 213 A N "Ammonia, Low Dissolved Oxygen, Eutrophic, Elevated Tissue Levels (Mercury), Algae" Nonpoint Source 4 L Legg Lake 405.41 Low 70 A N "Copper, Lead, Ammonia, pH, Odors, Trash" Nonpoint Source 4 L Lincoln Park Lake 405.15 Low 7 A N "Ammonia, Lead, Eutrophic, Low Dissolved Oxygen, Odors, Trash" Nonpoint Source 4 L Machado Lake (Harbor Park Lake) 405.12 Low 45.2 A N "Ammonia, Eutrophic, Elevated Tissue Levels (Chlordane, ChemA, DDT, dieldrin, PCBs), Odors, Trash, Algae, Fish Consumption Advisory (DDT, Chlordane)" Nonpoint Source 4 L Malibou Lake 404.24 Low 69 A N "Low Dissolved Oxygen, Eutrophic, Elevated Tissue Levels (PCBs, Chlordane, Cadmium, Copper, Zinc), Algae" Nonpoint Source 4 L Matilija Reservoir 402.20 Low 198 A N Fish barriers Nonpoint Source 4 L Munz Lake 403.51 Low 15 A N "Eutrophic, Trash" Nonpoint Source 4 L Peck Rd Park Lake 405.41 Low 166 A N "Low Dissolved Oxygen, Lead, Elevated Tissue Levels (DDT, Chlordane), Odors, Trash" Nonpoint Source 4 L Puddingstone Reservoir 405.52 Low 382 A N "Low Dissolved Oxygen, Elevated Tissue Levels (PCBs, Chlordane, DDT, Dacthal, Oxadiazon, Mercury, Arsenic)" Nonpoint Source 4 L Santa Fe Dam Park Lake 405.41 Low 70 A N "Lead, Copper, pH" Nonpoint Source 4 L Westlake Lake 404.25 Low 186 A N "Ammonia, Low Dissolved Oxygen, Copper, Lead, Eutrophic, Elevated Tissue Levels (Chlordane, Cadmium, Copper, Zinc), Algae" Nonpoint Source 4 R Aliso Canyon Wash 405.21 Low 10.1 M N Selenium Nonpoint Source 4 R Arroyo Las Posas Reach 1 and 2 403.62 Low 9.62 M N "Ammonia, Elevated Sediment Levels (DDT)" Nonpoint/Point Source 4 R Arroyo Seco Reach 1 and 2 (LA River to Devils Gate Dam) 405.15 Low 7.02 M N "Coliform, Trash, Algae" Nonpoint Source 4 R Arroyo Simi (Moorpark Fwy(23) to Brea Canyon) 403.62 Low 7.58 M N "Elevated Tissue Levels (Chromium, Nickel, Silver, Zinc, Selenium)" Nonpoint/Point Source 4 R Ashland Avenue Drain 405.13 Low 0.57 M N "Low Dissolved Oxygen, Toxicity, Coliform" Nonpoint Source 4 R Ballona Creek 405.13 Low 4.3 M N "Lead, Sediment Toxicity, Toxicity, Elevated Tissue Levels (Arsenic, Chlordane, DDT, Dieldrin, PCBs, ChemA, Chromium, Copper, Lead, Silver, Zinc), Elevated Sediment Levels (Cadmium, Tributyltin, Copper, Lead, Silver), Coliform, Trash, Enteric Viruses" Nonpoint/Point Source 4 R Bell Creek 405.21 Low 9.81 M N Coliform Nonpoint/Point Source 4 R Burbank Western Channel 405.21 Low 6.35 M N "Ammonia, Cadmium, Trash, Scum, Algae, Odors" Nonpoint/Point Source 4 R "Calleguas Creek, Reach 1 and 2 (Estuary to Arroyo Los Posas)" 403.11 -403.12 Low 4.5 M N "Nitrate and Nitrite, Ammonia, Toxicity, Elevated Sediment Levels (DDT, Toxaphene), Elevated Tissue Levels (PCBs, DDT, Toxaphene, ChemA, Chlordane, Dacthal, Endosulfan), Nitrogen, Sediment Toxicity" Nonpoint/Point Source 4 R Compton Creek 405.15 Low 8.52 M N "Copper, Lead, pH, Coliform" Nonpoint/Point Source 4 R Conejo Creek/Arroyo Conejo (Confluence Calleguas to above Lynn Rd) 403.12 -403.64 Low 5.8 M N "Low Dissolved Oxygen, Ammonia, Toxicity, Elevated Tissue Levels (Endosulfan, Toxaphene, DDT, ChemA, dacthal, Silver, Cadmium, Chromium, Nickel), Elevated Sediment Levels (Toxaphene), Algae" Nonpoint/Point Source 4 R "Conejo Creek/Arroyo Conejo, North Fork" 403.64 Low 6.51 M N "Ammonia, Elevated Tissue Levels (chlordane, DDT)" Nonpoint/Point Source 4 R Coyote Creek 405.15 Low 13.5 M N "Ammonia, Lead, Toxicity, Abnormal Fish Histlogy, Chloride, Elevated Tissue Levels (Chromium, Copper, Silver), Coliform, Algae" Nonpoint/Point Source 4 R Duck Pond Oxnard Drain (Tributary from duck ponds to Mugu Lagoon) 403.11 Low 13.5 M N "Toxicity, Sediment Toxicity, Elevated Sediment Levels (DDT), Elevated Tissue Levels (Chlordane, Toxaphene, DDT, ChemA), Nitrogen" Nonpoint Source 4 R Las Virgenes Creek 404.22 High 11.5 M Y Nutrients (Algae) Nonpoint Source 4 R Las Virgenes Creek 404.22 Low 11.5 M N "Selenium, Low Dissolved Oxygen, Coliform, Scum, Trash" Nonpoint Source 4 R Lindero Creek 404.23 Low 7 M N "Selenium, Coliform, Trash, Algae, Scum" Nonpoint Source 4 R Los Angeles River Reach 1 (upstream Carson St to estuary) 405.12 High 2.01 M Y "Ammonia, Nutrients (Algae)" Nonpoint/Point Source 4 R Los Angeles River Reach 1 (upstream Carson St to estuary) 405.12 Low 2.01 M N "pH, Lead, Coliform, Trash, Scum" Nonpoint/Point Source 4 R Los Angeles River Reach 2 (Figueroa St to upstream Carson St) 405.15 High 19.4 M Y "Ammonia, Nutrients (Algae)" Nonpoint/Point Source 4 R Los Angeles River Reach 2 (Figueroa St to upstream Carson St) 405.15 Low 19.4 M N "Lead, Coliform, Trash, Scum, Odors, Oil" Nonpoint/Point Source 4 R Los Angeles River Reach 3 (Riverside Drive to Figueroa St) 405.21 High 7.24 M Y "Ammonia, Nutrients (Algae)" Nonpoint/Point Source 4 R Los Angeles River Reach 3 (Riverside Drive to Figueroa St) 405.21 Low 7.24 M N "Trash, Odors, Scum" Nonpoint/Point Source 4 R Los Angeles River Reach 4 (Sepulveda Dam to Riverside Dr) 405.21 High 11.8 M Y "Ammonia, Nutrients (Algae)" Nonpoint/Point Source 4 R Los Angeles River Reach 4 (Sepulveda Dam to Riverside Dr) 405.21 Low 11.8 M N "Lead, Coliform, Trash, Scum, Odors" Nonpoint/Point Source 4 R Los Angeles River Reach 5 (within Sepulveda Basin) 405.21 High 1.93 M Y "Ammonia, Nutrients (Algae)" Nonpoint/Point Source 4 R Los Angeles River Reach 5 (within Sepulveda Basin) 405.21 Low 1.93 M N "Elevated Tissue Levels (Silver, Chlorpyrifos, ChemA), Trash, Scum, Odor, Oil" Nonpoint/Point Source 4 R Los Angeles River Reach 6 (upstream of Sepulveda Flood Control Basin) 405.21 Low 6.17 M N "1,1-DCE, PCE, TCE, Coliform" Nonpoint Source 4 R Malibu Creek (Lagoon to Malibou Lake) 404.21 Low 9.5 M N "Fish barrier, Elevated Tissue Levels (Arsenic, Chromium, Nickel, Cadmium, Selenium, Silver, Lead, Copper), Trash, Coliform, Scum" Nonpoint/Point Source 4 R Malibu Creek (Lagoon to Malibou Lake) 404.21 High 9.5 M Y Nutrients (Algae) Nonpoint/Point Source 4 R Matilija Creek Reach 1 (Jct. with N. Fork to Reservoir) 402.20 Low 1.6 M N Fish barriers Nonpoint Source 4 R Matilija Creek Reach 2 (Above Reservoir) 402.20 Low 16.8 A N Fish barriers Nonpoint Source 4 R Medea Creek Reach 1 (Lake to confluence with Lindero) 404.23 Low 5.44 M N "Selenium, Coliform, Trash, Algae" Nonpoint Source 4 R Medea Creek Reach 2 (Above confluence with Lindero) 404.24 Low 3.01 M N "Selenium, Coliform, Trash, Algae" Nonpoint Source 4 R Monrovia Canyon Creek 405.33 Low 2.9 M N Lead Nonpoint Source 4 R Palo Comado 404.23 Low 7.78 M N Coliform Nonpoint Source 4 R Pico Kenter Drain 405.13 Low 4.77 M N "Ammonia, Copper, Lead, Toxicity, PAHs, Coliform, Enteric Viruses, Trash" Nonpoint Source 4 R Revolon Slough and Beardsley Channel/Wash 403.11 and 403.61 Low 8.9 M N "Nitrate and Nitrite, Selenium, Toxicity, Elevated Sediment Levels (Toxaphene, Chlordane, DDT, Endosulfan, Dacthal, Elevated Tissue Levels (Endosulfan, Chlordane, Toxaphene, DDT, ChemA, Dieldrin, Chlorpyrifos, Hexachlorobenzene, PCBs, Dacthal), Nitrogen, A" Nonpoint Source 4 R Rio de Santa Clara (tributary to Mugu Lagoon 403.11 Low 2.48 M N "Sediment Toxicity, Elevated Tissue Levels (Chlordane, Toxaphene, DDT, ChemA, PCBs), Nitrogen" Nonpoint Source 4 R Rio Hondo Reach 1 (Santa Ana Fwy to Los Angeles River) 405.15 Low 4.19 M N "Ammonia, Copper, Lead, Zinc, pH, Coliform, Trash" Nonpoint/Point Source 4 R Rio Hondo Reach 2 (from Whittier Narrows Flood Control Basin to Spreading Grounds) 405.15 Low 2.71 M N "Ammonia, Coliform" Nonpoint/Point Source 4 R San Gabriel River East Fork 405.43 Low 12 M N Trash Nonpoint Source 4 R San Gabriel River Reach 1 (Estuary to Firestone) 405.15 Low 8.73 M N "Ammonia, Lead, Toxicity, Abnormal Fish Histology, Coliform, Algae" Nonpoint/Point Source 4 R San Gabriel River Reach 2 (Firestone to Whittier Narrows Dam) 405.15 Low 9.99 M N "Ammonia, Lead, Coliform" Nonpoint/Point Source 4 R San Gabriel River Reach 3 (Whittier Narrows to Ramona) 405.41 Low 3.52 M N Toxicity Nonpoint/Point Source 4 R San Jose Creek Reach 1 (SG Confluence to Temple St.) 405.41 Low 13.1 M N "Ammonia, Lead, Toxicity, Coliform, Algae" Nonpoint/Point Source 4 R San Jose Creek Reach 2 (Temple St. to I-10 at White Ave.) 405.41 Low 4.93 M N "Ammonia, Lead, Toxicity, Coliform, Algae" Nonpoint/Point Source 4 R Santa Clara River (W Pier Hwy 99 to Bonquet Cyn Rd Bridge) 403.51 Low 3.42 M N "Ammonia, Coliform" Nonpoint/Point Source 4 R Santa Monica Channel/Canyon 405.13 Low 2.9 M N "Lead, Coliform" Nonpoint Source 4 R Sepulveda Channel/Canyon 405.13 Low 6.8 M N "Ammonia, Lead, Coliform" Nonpoint Source 4 R Stokes Creek 404.22 Low 5.33 M N Coliform Nonpoint Source 4 R Topanga Canyon Creek 404.11 Low 8.6 M N Lead Nonpoint Source 4 R Torrance Carson Channel 405.12 Low 12.6 M N "Copper, Lead, Coliform" Nonpoint Source 4 R Triunfo Cyn Creek Reach 1 404.24 Low 4.06 M N "Mercury, Lead" Nonpoint Source 4 R Triunfo Cyn Creek Reach 2 404.25 Low 1.98 M N "Mercury, Lead" Nonpoint Source 4 R Tujunga Wash (downstream Hansen Dam to Los Angeles River) 405.21 Low 9.68 M N "Ammonia, Copper, Coliform, Trash, Scum. Odors" Nonpoint Source 4 R Ventura River Reach 1 and 2 (Estuary to Weldon Cyn) 402.10 Low 4.82 M N "Elevated Tissue Levels (Copper, Selenium, Silver, Zinc), Algae" Nonpoint/Point Source 4 R Ventura River Reach 3 and 4 (Weldon Cyn to Camino Cielo) 402.10 Low 15.7 M N "Water diversion, Pumping" Nonpoint Source 4 R Verdugo Wash Reach 1 and 2 405.21 Low 8.96 M N "Coliform, Trash, Algae" Nonpoint Source 4 R Walnut Creek Wash 405.41 Low 13.9 M N "pH, Toxicity" Nonpoint/Point Source 4 R Wilmington Drain 405.12 Low 4.9 M N "Ammonia, Copper, Lead, Coliform" Nonpoint Source 4 T Ballona Creek Wetland 405.13 Low 86 A N "Elevated Tissue Levels (Arsenic, Lead, Chromium), Habitat alteration, Exotic vegetation, Reduced tidal flushing, Trash, Hydromodification" Nonpoint Source 4 T Colorado Lagoon 405.12 Low 13.6 A N "Elevated Sediment Levels (Lead, Zinc, Chlordane, PAHs), Elevated Tissue Levels (Chlordane, DDT, Dieldrin, PCBs, Silver, Lead, Copper, ChemA), Sediment Toxicity" Nonpoint Source 4 T Los Cerritos Channel 405.12 Low 16 A N "Ammonia, Copper, Lead, Zinc, Coliform" Nonpoint Source 5 E Delta Waterways 544.00 Medium ### A N "Diazinon, Chlorpyrifos" "Agriculture, Urban Runoff/Storm Sewers" 5 E Delta Waterways 544.00 Low ### A N "Group A Pesticides, DDT" Agriculture 5 E Delta Waterways 544.00 Low 75 A N Low Dissolved Oxygen "Municipal Point Source, Urban Runoff/Storm Sewers" 5 E Delta Waterways 544.00 Medium ### A N Mercury Resource Extraction 5 E Delta Waterways 544.00 Medium ### A N Salt Agriculture 5 E Delta Waterways 544.00 Medium ### A N Unknown Toxicity Source Unknown 5 L Beach Lake 510.00 Low 295 A N "Mercury, Copper, Zinc" Urban Runoff/Storm Sewer 5 L Beach Lake 510.00 Low 295 A N Pesticides "Industrial Point Source, Urban Runoff/Storm Sewers" 5 L Berryessa Lake 512.21 Low ### A N Mercury Resource Extraction 5 L Clear Lake 513.52 Low ### A N Mercury Resource Extraction 5 L Clear Lake 513.52 Low ### A N Nutrients Source Unknown 5 L Davis Creek Reservoir 513.32 Low 290 A N Mercury Resource Extraction 5 L Keswick Reservoir 524.40 Low 200 A N "Copper, Zinc, Cadmium" Resource Extraction 5 L Marsh Creek Reservoir 543.00 Low 375 A N Mercury Resource Extraction 5 L Shasta Lake 500.00 Low 20 A N "Copper, Zinc, Cadmium" Resource Extraction 5 L Whiskeytown Reservoir 524.61 Low 100 A N Coliform Onsite Disposal Systems 5 R "American River, Lower" 519.21 Low 23 M N Group A Pesticides Urban Runoff/Storm Sewers 5 R "American River, Lower" 519.21 Low 23 M N Mercury Resource Extraction 5 R "American River, Lower" 519.21 Low 23 M N Unknown Toxicity Source Unknown 5 R Cache Creek 511.30 Low 35 M N Mercury Resource Extraction 5 R Cache Creek 511.30 Low 35 M N Unknown Toxicity Unknown Source 5 R Colusa Drain 520.21 Low 70 M N "Pesticides, Unknown Toxicity" Agriculture 5 R Dolly Creek 518.54 Low 1 M N "Copper, Zinc" Resource Extraction 5 R Dunn Creek 543.00 Low 9 M N "Mercury, Metals" Resource Extraction 5 R Fall River (Pit) 506.00 Low 25 M N Sedimentation "Silviculture, Grazing, Road Construction" 5 R "Feather River, Lower" 519.22 Low 60 M N "Diazinon, Chlorpyrifos" "Agriculture, Urban Runoff/Storm Sewers" 5 R "Feather River, Lower" 519.22 Low 60 M N Group A Pesticides Agriculture 5 R "Feather River, Lower" 519.22 Low 60 M N Mercury Resource Extraction 5 R "Feather River, Lower" 519.22 Low 60 M N Unknown Toxicity Source Unknown 5 R French Ravine 516.32 Low 1 M N Bacteria Land Disposal 5 R Harley Gulch 513.51 Low 8 M N Mercury Resource Extraction 5 R Horse Creek 526.20 Low 2 M N "Copper, Cadmium, Zinc, Lead" Resource Extraction 5 R Humbug Creek 517.32 Low 9 M N "Copper, Zinc, Mercury, Sedimentation" Resource Extraction 5 R James Creek 512.24 Low 6 M N "Nickel, Mercury" Resource Extraction 5 R Kanaka Creek 517.42 Low 1 M N Arsenic Resource Extraction 5 R "Kings River, Lower" 551.90 Low 30 M N "Arsenic, Copper" Source Unknown 5 R "Kings River, Lower" 551.90 Low 30 M N "Total Dissolved Solids, Molybdenum, Toxaphene" Agriculture 5 R Little Backbone Creek 506.20 Low 1 M N "Copper, Zinc, Cadmium, Acid Mine Drainage" Resource Extraction 5 R Little Cow Creek 507.33 Low 1 M N "Copper, Zinc, Cadmium" Resource Extraction 5 R Little Grizzly Creek 518.54 Low 10 M N "Copper, Zinc" Mine Tailings 5 R Lone Tree Creek 531.40 Low 15 M N "Salt, Ammonia, Biological Oxygen Demand" Dairies 5 R Marsh Creek 543.00 Low 24 M N "Mercury, Metals" Resource Extraction 5 R "Merced River, Lower" 535.00 Low 60 M N "Group A Pesticides, DDT" Agriculture 5 R "Mokelumne River, Lower" 531.20 Low 28 M N "Copper, Zinc" Resource Extraction 5 R "Mokelumne River, Lower" 531.20 Low 1 M N "Low Dissolved Oxygen, Hydrogen Sulfide" Dam Construction/Operation 5 R Mud Slough 541.20 High 16 M Y Selenium Agriculture 5/92 3/96 5 R Mud Slough 541.20 Low 16 M N "Total Dissolved Solids, Pesticides, Unknown Toxicity, Boron" Agriculture 5 R Natomas East Main Drain 519.22 Low 5 M N "Diazinon, Chlorpyrifos" "Agriculture, Urban Runoff/Storm Sewers" 5 R Natomas East Main Drain 519.22 Low 12 M N PCBs "Industrial Point Sources, Urban Runoff/Storm Sewers" 5 R Orestimba Creek 541.10 Low 3 M N "Pesticides, Unknown Toxicity" Agriculture 5 R Panoche Creek 542.40 Low 25 M N Mercury Resource Extraction 5 R Panoche Creek 542.40 Low 40 M N "Sedimentation, Selenium" "Agriculture, Grazing, Road Construction" 5 R Pit River 506.00 Low 100 M N "Low Dissolved Oxygen, Temperature, Nutrients" "Hydromodification, Grazing, Agriculture" 5 R Sacramento River(Red Bluff to Delta) 500.00 High 30 M Y "Carbofuran, Malathion, Methyl Parathion" Agriculture 2/90 6/96 5 R Sacramento River(Red Bluff to Delta) 500.00 Medium 30 M N "Diazinon, Chlorpyrifos" Agriculture 5 R Sacramento River(Red Bluff to Delta) 500.00 Medium 30 M N Mercury Resource Extraction 5 R Sacramento River(Red Bluff to Delta) 500.00 Medium 185 M N Unknown Toxicity Source Unknown 5 R Sacramento River(Shasta Dam to Red Bluff) 508.10 High 40 M Y "Copper, Cadmium, Zinc" Resource Extraction 1/96 1/98 5 R Sacramento River(Shasta Dam to Red Bluff) 508.10 Low 50 M N Temperature Dam Construction/Operation 5 R Sacramento River(Shasta Dam to Red Bluff) 508.10 Medium 50 M N Unknown Toxicity Source Unknown 5 R Sacramento Slough 520.10 Low 1 M N "Diazinon, Chlorpyrifos" "Agriculture, Urban Runoff/Storm Sewers" 5 R Sacramento Slough 520.10 Low 1 M N Mercury Source Unknown 5 R Salt Slough 541.20 High 15 M Y Selenium Agriculture 5/92 3/96 5 R Salt Slough 541.20 Low 15 M N "Total Dissolved Solids, Pesticides, Unknown Toxicity, Boron" Agriculture 5 R San Carlos Creek 542.20 Low 1 M N Mercury Resource Extraction 5 R San Joaquin River 544.00 Low 130 M N "Carbaryl, Parathion" Agriculture 5 R San Joaquin River 544.00 Medium 130 M N "Diazinon, Chlorpyrifos" Agriculture 5 R San Joaquin River 544.00 Low 130 M N "Group A Pesticides, Eptam" Agriculture 5 R San Joaquin River 544.00 Medium 130 M N "Salt, Boron" Agriculture 5 R San Joaquin River 544.00 High 130 M Y Selenium Agriculture 5/92 3/96 5 R San Joaquin River 544.00 Medium 130 M N Unknown Toxicity Source Unknown 5 R Spring Creek 524.40 Low 5 M N "Copper, Zinc, Cadmium, Acid Mine Drainage" Resource Extraction 5 R "Stanislaus River, Lower" 535.30 Low 48 M N "Group A Pesticides, DDT" Agriculture 5 R "Stanislaus River, Lower" 535.30 Low 48 M N Unknown Toxicity Source Unknown 5 R Sulfur Creek 513.51 Low 7 M N Mercury Resource Extraction 5 R Temple Creek 531.40 Low 10 M N "Ammonia, Salt" Dairies 5 R Town Creek 526.20 Low 1 M N "Cadmium, Copper, Lead, Zinc" Resource Extraction 5 R "Tuolumne River, Lower" 535.50 Low 32 M N "Group A Pesticides, DDT" Agriculture 5 R "Tuolumne River, Lower" 535.50 Low 32 M N Unknown Toxicity Source Unknown 5 R Turlock Irrigation District Lateral #5 535.50 Low 7 M N Ammonia "Municipal Point Source, Agriculture" 5 R Turlock Irrigation District Lateral #5 535.50 Low 7 M N "Pesticides, Unknown Toxicity" Agriculture 5 R West Squaw Creek 505.10 Low 2 M N "Copper, Cadmium, Zinc, Lead" Resource Extraction 5 R Willow Creek (Whiskeytown) 524.63 Low 3 M N "Copper, Zinc, Acid Mine Drainage" Resource Extraction 5 W Grasslands Marshes 541.20 High 8224 A Y Selenium Agriculture 5/92 3/96 5 W Grasslands Marshes 541.20 Low 8224 A N Total Dissolved Solids Agriculture 6 L Boca Reservoir 636.00 High 980 A N Metals "Nonpoint Source, Natural Sources" 6 L Bridgeport Reservoir 630.30 Low 3000 A N Nutrients Agriculture 6 L Bridgeport Reservoir 630.30 Low 3000 A N Siltation Source Unknown 6 L Convict Lake 603.10 Low 168 A N Metals "Nonpoint Source, Natural Sources" 6 L Crowley Lake 603.10 Low 5280 A N Arsenic Natural Sources 6 L Donner Lake 635.20 Low 960 A N Metals "Nonpoint Source, Natural Sources, Sources Unknown" 6 L Donner Lake 635.20 Low 960 A N Priority Organics Source Unknown 6 L Eagle Lake (2) 637.30 Low ### A N Metals "Nonpoint Source, Natural Sources" 6 L Eagle Lake (2) 637.30 Low ### A N Organic Enrichment/Low Dissolved Oxygen "Range Land, Nonpoint Source, Onsite Wastewater Systems (Septic Tanks), Land Development" 6 L Fallen Leaf Lake 634.10 Low 1410 A N Metals "Nonpoint Source, Natural Sources" 6 L Grant Lake 601.00 Low 1095 A N Arsenic Natural Sources 6 L Grant Lake 601.00 Low 1095 A N Metals "Nonpoint Source, Natural Sources" 6 L Gull Lake 601.00 Low 65 A N Metals "Nonpoint Source, Natural Sources" 6 L Haiwee Reservoir 603.30 Low 1800 A N Copper "Nonpoint Source, Habitat Modification" 6 L Horseshoe Lake ( 2) 628.00 Low 1 A N Siltation Construction 6 L Indian Creek Reservoir 632.20 Low 160 A N Nutrients Wastewater 6 L June Lake 601.00 Low 320 A N Mercury Source Unknown 6 L Lake Tahoe 634.00 High ### A Y Nutrients "Silviculture, Atmospheric Deposition, Marinas, Nonpoint Source, Wastewater, Drainage/Filling of Wetlands, Highway Maintenance and Runoff, Urban Runoff/Storm Sewers, Other Urban Runoff, Hydromodification, Construction" 1/98 1/2000 6 L Lake Tahoe 634.00 High ### A Y Siltation Source Unknown 1/98 1/2000 6 L Little Rock Reservoir 626.00 Low 104 A N Metals "Nonpoint Source, Natural Sources" 6 L Lundy Lake 601.00 Low 130 A N Metals "Nonpoint Source, Natural Sources" 6 L Pleasant Valley Reservoir 603.20 Low 115 A N Organic Enrichment/Low Dissolved Oxygen "Nonpoint Source, Flow Regulation/Modification" 6 L Sabrina Valley Lake 603.20 Low 186 A N Metals Natural Sources 6 L Silverwood Lake 628.20 Low 1010 A N Arsenic "Nonpoint Source, Natural Sources" 6 L Stampede Reservoir 636.00 Low 3444 A N Metals "Nonpoint Source, Natural Sources" 6 L Stampede Reservoir 636.00 Low 3444 A N Pesticides Source Unknown 6 L Tinemaha Reservoir 603.20 Low 180 A N Arsenic "Natural Sources, Upstream Impoundment, Nonpoint Source" 6 L Tinemaha Reservoir 603.20 Low 180 A N Metals Source Unknown 6 L Topaz Lake 631.10 Low 2300 A N Siltation "Agriculture, Nonpoint Source" 6 L Twin Lake Lower 630.40 Low 375 A N Metals "Nonpoint Source, Natural Sources" 6 L Twin Lake Upper 630.40 Low 265 A N Metals "Nonpoint Source, Other Urban Runoff" 6 L Twin Lakes 603.10 Low 3 A N Cause Unknown Other Urban Runoff 6 L Twin Lakes 603.10 Low 3 A N Nutrients "Land Development, Other Urban Runoff, Nonpoint Source" 6 R Amargosa River 609.00 Low 198 M N Salinity/Total Dissolved Solids Natural Sources 6 R Aspen Creek 632.10 Low 4 M N Metals "Nonpoint Source, Natural Sources, Acid Mine Drainage" 6 R Aurora Canyon Creek 630.30 Low 13 M N Other Habitat Alterations Range Land 6 R Bear Creek (R6) 635.20 High 4 M Y Siltation "Hydromodification, Nonpoint Source" 11/95 11/97 6 R Bishop Creek Canal 603.20 High 10 M N Metals "Nonpoint Source, Natural Sources" 6 R Blackwood Creek 634.20 High 8 M Y Siltation "Construction, Resource Extraction, Hydromodification, Silviculture, Nonpoint Source" 6 R Bodie Creek 630.20 Low 6 M N Metals "Resource Extraction, Nonpoint Source, Mine Tailings " 6 R Bronco Creek 635.20 High 1 M Y Siltation "Nonpoint Source, Natural Sources" 11/95 11/97 6 R Bryant Creek 632.10 Low 10 M N Metals "Nonpoint Source, Acid Mine Drainage" 6 R Carson River East Fork 632.10 Low 28 M N Metals "Nonpoint Source, Natural Sources, Resource Extraction" 6 R Carson River East Fork 632.10 Low 1 M N Nutrients "Nonpoint Source, Range Land" 6 R Carson River West Fork 633.00 Low 28 M N Metals "Highway Maintenance And Runoff, Natural sources, Resource Extraction, Nonpoint Source" 6 R Clark Canyon Creek 630.30 Low 5 M N Other Habitat Alterations Range Land 6 R Clearwater Creek 630.40 Low 7 M N Siltation Range Land 6 R Cottonwood Creek (1) 603.30 Low 7 M N Water Flow Variability Flow Regulation/Modification 6 R East Walker River 630.00 Low 8 M N Metals "Nonpoint Source, Natural Sources, Resource Extraction, Other Urban Runoff, Range Land" 6 R Goodale Creek 603.30 Low 9 M N Siltation Range Land 6 R Gray Creek (R6) 635.00 High 4 M Y Siltation "Nonpoint Source, Natural Sources" 11/95 11/97 6 R Green Creek 630.40 Low 1 M N Other Habitat Alterations "Hydromodification, Range Land" 6 R Green Valley Lake Creek 628.20 Low 5 M N Priority Organics Source Unknown 6 R Heavenly Valley Creek 634.10 High 4 M Y Siltation "Construction, Nonpoint Source, Recreational Activities, Hydromodification, Habitat Modification, Land Development" 6 R Hot Creek (1) 631.40 Low 5 M N Metals Natural Sources 6 R Hot Creek (2) 603.10 High 10 M N Metals Natural Sources 6 R Hot Springs Canyon Creek 630.30 Low 1 M N Metals Natural Sources 6 R Indian Creek (1) 632.20 Low 7 M N Other Habitat Alterations Pasture Land 6 R Lassen Creek 637.00 Low 6 M N Flow Alterations Flow Regulation/Modification 6 R Lee Vining Creek 601.00 Low 11 M N Flow Alterations Flow Regulation/Modification 6 R Leviathan Creek 632.10 Low 2 M N Metals Acid Mine Drainage 6 R Little Hot Creek 603.10 High 1 M N Arsenic Natural Sources 6 R Mammoth Creek 603.10 High 22 M N Metals "Nonpoint Source, Natural Sources" 6 R Martis Creek 634.20 Low 12 M N Metals "Nonpoint Source, Natural Sources" 6 R McGee Creek (1) 603.20 High 16 M N Metals "Resource Extraction, Nonpoint Source, Natural Sources" 6 R Mill Creek (1) 601.00 Low 7 M N Flow Alterations Water Diversions 6 R Mill Creek (3) 641.30 Low 6 M N Siltation Range Land 6 R Mojave River 628.20 Low 10 M N Priority Organics "Land Disposal, Hazardous Waste" 6 R Monitor Creek 632.10 Low 4 M N Metals "Nonpoint Source, Resource Extraction, Natural Sources" 6 R Mountaineer Creek 632.00 Low 7 M N Metals "Nonpoint Source, Natural Sources" 6 R Owens River 603.30 High 120 M N Metals "Nonpoint Source, Upstream Impoundment, Resource Extraction, Natural Sources" 6 R Pine Creek (1) 603.20 High 14 M N Metals "Nonpoint Source, Resource Extraction, Natural Sources, Mill Tailings" 6 R Pine Creek (2) 637.30 Low 24 M N Siltation "Range Land, Nonpoint Source" 6 R Robinson Creek 630.30 Low 18 M N Metals "Nonpoint Source, Natural Sources" 6 R Rough Creek 630.00 Low 8 M N Other Habitat Alterations Range Land 6 R Silver Creek (1) 632.10 Low 8 M N Metals "Nonpoint Source, Natural Sources, Resource Extraction" 6 R Skedaddle Creek 637.10 Low 5 M N Pathogens Range Land 6 R Slinkard Creek 631.20 Low 12 M N Metals "Nonpoint Source, Natural Sources" 6 R Snow Creek 634.20 High 1 M Y Other Habitat Alterations "Nonpoint Source, Drainage/Filling of Wetlands, Land Development" 6 R Squaw Creek 635.20 Low 8 M N Metals Source Unknown 6 R Squaw Creek 635.20 High 8 M Y Siltation "Nonpoint Source, Drainage/Filling of Wetlands, Highway Maintenance and Runoff, Other Urban Runoff, Recreational Activities, Hydromodification, Construction, Land Development, Natural Sources" 11/95 11/97 6 R Susan River 637.20 Low 59 M N Unknown Toxicity "Source Unknown, Agriculture, Highway Maintenance and Runoff, Nonpoint Source, Natural Sources, Other Urban Runoff" 6 R Trout Creek (1) 634.10 High 18 M Y Metals "Nonpoint Source, Natural Sources" 6 R Truckee River 635.20 High 106 M Y Metals "Nonpoint Source, Natural Sources, Highway maintenance and Runoff, Other Urban Runoff" 11/95 11/97 6 R Truckee River 635.20 High 106 M Y Siltation Source Unknown 11/95 11/97 6 R Tuttle Creek 603.30 Low 10 M N Other Habitat Alterations Range Land 6 R Virginia Creek 630.40 Low 5 M N Metals "Nonpoint Source, Natural Sources, Resource Extraction" 6 R Ward Creek 634.20 High 7 M Y Siltation "Land Development, Nonpoint Source" 6 R West Walker River 631.00 Low 1 M N Siltation "Agriculture, Nonpoint Source" 6 R Wolf Creek (1) 632.10 Low 14 M N Siltation Range Land 6 S Alkali Lake Lower 641.00 Low ### A N Salinity/Total Dissolved Solids/Chlorides "Flow Regulation/Modification, Nonpoint Source, Natural Sources " 6 S Alkali Lake Middle 641.00 Low ### A N Salinity/Total Dissolved Solids/Chlorides "Flow Regulation/Modification, Nonpoint Source, Natural Sources " 6 S Alkali Lake Upper 641.00 Low ### A N Salinity/Total Dissolved Solids/Chlorides "Flow Regulation/Modification, Nonpoint Source, Natural Sources " 6 S Deep Springs Lake 605.00 Low 1400 A N Salinity/Total Dissolved Solids/Chlorides Natural Sources 6 S Honey Lake 637.20 Low ### A N Arsenic "Flow Regulation/Modification, Nonpoint Source, Natural Sources " 6 S Honey Lake 637.20 Low ### A N Salinity/Total Dissolved Solids/Chlorides "Agriculture, Nonpoint Source, Natural Sources" 6 S Honey Lake Waterfowl Management Ponds 637.20 Low 500 A N Flow Alterations Agricultural Water Diversion 6 S Honey Lake Waterfowl Management Ponds 637.20 Low 500 A N Metals "Geothermal, Agricultural, Natural Source " 6 S Honey Lake Waterfowl Management Ponds 637.20 Low 500 A N Total Dissolved Solids/Salinity "Natural Source, Agriculture, Geothermal" 6 S Honey Lake Waterfowl Management Ponds 637.20 Low 500 A N Trace Elements "Geothermal, Natural Source " 6 S Little Alkali Lake 603.10 Low 1 A N Arsenic Natural Sources 6 S Mono Lake 601.00 Low ### A N Salinity/Total Dissolved Solids/Chlorides "Flow Regulation/Modification, Natural Sources" 6 S Owens Lake 603.30 Low ### A N Salinity/Total Dissolved Solids/Chlorides "Flow Regulation/Modification, Natural Sources" 6 S Searles Lake 621.00 Low ### A N Salinity/Total Dissolved Solids/Chlorides Source Unknown 6 W Amedee Hot Springs 637.20 Low 1 A N Metals Natural Sources 6 W Big Springs 603.10 Low 1 A N Arsenic Natural Sources 6 W Cinder Cone Springs 635.00 Low 1 A N Nutrients Source Unknown 6 W Cinder Cone Springs 635.00 Low 1 A N Salinity/Total Dissolved Solids/Chlorides Wastewater 6 W Fales Hot Springs 631.00 Low 1 A N Metals Natural Sources 6 W Honey Lake Area Wetlands 637.20 Low ### A N Metals "Natural Sources, Agriculture, Geothermal, Nonpoint Source" 6 W Keough Hot Springs 603.00 Low 1 A N Metals Natural Sources 6 W Top Spring 637.20 Low 1 A N Radiation Natural Sources 6 W Wendel Hot Springs 637.20 Low 1 A N Metals Natural Sources 7 R Alamo River 723.10 High 52 M Y "Pesticides, Selenium, Silt" Agricultural Return Flows 96/97 7 R Coachella Valley Storm Water Channel 719.47 Low 20 M N Bacteria "Sewage Discharges, Agriculture" 7 R Imperial Valley Drains 723.10 High 1305 M N "Pesticides, Selenium, Silt" Agricultural Return Flows 7 R New River 723.10 Medium 60 M N "Pesticides, Silt" Agricultural Return Flows 7 R Palo Verde Outfall Drain 715.40 Low 16 M N Bacteria "Sewage Discharges, Agriculture" 7 S Salton Sea 728.00 Medium ### A N Selenium Agricultural Return Flows 8 B Anaheim Bay 801.11 Medium 180 A N Metals Urban Runoff/Storm Sewers 8 B Anaheim Bay 801.11 Medium 180 A N Pesticides Unknown Nonpoint Source 8 B Huntington Harbour 801.11 Medium 150 A N Metals Urban Runoff/Storm Sewers 8 B Huntington Harbour 801.11 Medium 150 A N Pathogens Urban Runoff/Storm Sewers 8 B Huntington Harbour 801.11 Medium 150 A N Pesticides Unknown Nonpoint Source 8 B "Newport Bay, Lower" 801.11 High 700 A Y Metals "Urban Runoff/Storm Sewers, Contaminated Sediments" 8 B "Newport Bay, Lower" 801.11 High 700 A Y Nutrients Agriculture 8 B "Newport Bay, Lower" 801.11 High 700 A Y Pathogens Urban Runoff/Storm Sewers 8 B "Newport Bay, Lower" 801.11 High 700 A Y Pesticides "Agriculture, Contaminated Sediments" 8 B "Newport Bay, Lower" 801.11 High 700 A Y Priority organics "Unknown Nonpoint Source, Contaminated Sediments" 8 E Upper Newport Bay Ecological Reserve 801.11 High 752 A Y Metals Urban Runoff/Storm Sewers 8 E Upper Newport Bay Ecological Reserve 801.11 High 752 A Y Nutrients Agriculture 1/96 8 E Upper Newport Bay Ecological Reserve 801.11 High 752 A Y Pathogens Urban Runoff/Storm Sewers 8 E Upper Newport Bay Ecological Reserve 801.11 High 752 A Y Pesticides "Unknown Nonpoint Source, Agriculture" 8 E Upper Newport Bay Ecological Reserve 801.11 High 752 A Y Siltation "Urban Runoff/Storm Sewers, Construction" 1/96 8 L Big Bear Lake 801.71 Medium 2970 A Y Copper Resource Extraction 8 L Big Bear Lake 801.71 Medium 2970 A Y Mercury Resource Extraction 8 L Big Bear Lake 801.71 Medium 2970 A Y Metals Resource Extraction 8 L Big Bear Lake 801.71 Medium 2970 A Y Noxious Aquatic Plants "Construction, Unknown Nonpoint Source" 8 L Big Bear Lake 801.71 Medium 2970 A Y Nutrients "Snow Skiing Activities, Construction " 8 L Big Bear Lake 801.71 Medium 2970 A Y Siltation "Construction, Unknown Nonpoint Source, Snow Skiing Activities" 8 L Canyon Lake (Railroad Canyon Reservoir) 802.12 Low 2017 A N Cause Unknown Source Unknown 8 L Elsinore Lake 802.31 Medium 2600 A Y Nutrients Unknown Nonpoint Source 8 L Elsinore Lake 802.31 Medium 2600 A Y Organic Enrichment/Low Dissolved Oxygen Unknown Nonpoint Source 8 L Elsinore Lake 802.31 Medium 2600 A Y Siltation Urban Runoff/Storm Sewers 8 L Elsinore Lake 802.31 Medium 2600 A Y Unknown Toxicity Unknown Nonpoint Source 8 L Evans Lake 801.27 Low 42 A N Cause Unknown Source Unknown 8 L Prado Park Lake 801.21 Low 60 A N Cause Unknown Source Unknown 8 R "Chino Creek, Reach 1" 801.21 Medium 2 M N Nutrients "Dairies, Agriculture" 8 R "Chino Creek, Reach 1" 801.21 Medium 2 M N Pathogens "Dairies, Urban Runoff/ Storm Sewers" 8 R Grout Creek 801.72 Low 2 M N Metals Unknown Nonpoint Source 8 R Grout Creek 801.72 Low 2 M N Nutrients Unknown Nonpoint Source 8 R Knickerbocker Creek 801.71 Low 2 M N Metals Unknown Nonpoint Source 8 R Knickerbocker Creek 801.71 Low 2 M N Pathogens Unknown Nonpoint Source 8 R Mill Creek (Prado Area) 801.25 Medium 4 M N Nutrients "Agriculture, Dairies" 8 R Mill Creek (Prado Area) 801.25 Medium 4 M N Pathogens Dairies 8 R Mill Creek (Prado Area) 801.25 Medium 4 M N Suspended Solids Dairies 8 R Rathbone(Rathbun) Creek 801.72 Medium 2 M N Nutrients "Unknown Nonpoint Source, Snow Skiing Activities" 8 R Rathbone(Rathbun) Creek 801.72 Medium 2 M N Siltation "Unknown Nonpoint Source, Snow Skiing Activities" 8 R "San Diego Creek, Reach 1" 801.11 High 6 M Y Metals Unknown Nonpoint Source 8 R "San Diego Creek, Reach 1" 801.11 High 6 M Y Nutrients "Agriculture, Unknown Nonpoint Source, Nurseries" 7/96 8 R "San Diego Creek, Reach 1" 801.11 High 6 M Y Pesticides Unknown Nonpoint Source 8 R "San Diego Creek, Reach 1" 801.11 High 6 M Y Siltation Unknown Nonpoint Source 1/96 8 R "San Diego Creek, Reach 2" 801.11 High 6 M Y Metals Urban Runoff/Storm Sewers 8 R "San Diego Creek, Reach 2" 801.11 High 6 M Y Nutrients "Nurseries, Agriculture, Unknown Nonpoint Source" 8 R "San Diego Creek, Reach 2" 801.11 High 6 M Y Siltation Construction 1/96 8 R "San Diego Creek, Reach 2" 801.11 High 6 M Y Unknown Toxicity Unknown Nonpoint Source 8 R "Santa Ana River, Reach 3" 801.20 High 18 M Y Nutrients "Municipal Point Source, Dairies" 8 R "Santa Ana River, Reach 3" 801.20 High 18 M Y Pathogens Municipal Point Source 8 R "Santa Ana River, Reach 3" 801.20 High 18 M Y Salinity/Total Dissolved Solids/Chlorides "Municipal Point Source, Dairies" 8 R "Santa Ana River, Reach 4" 801.27 Low 12 M N Pathogens Municipal Point Source 8 R "Santa Ana River, Reach 4" 801.27 Low 12 M N Salinity/Total Dissolved Solids/Chlorides Municipal Point Source 8 R "Santa Ana River, Reach 4" 801.27 Low 12 M N Unionized Ammonia Municipal Point Source 8 R "Santa Ana River, Reach 4" 801.27 Low 12 M N Unknown Toxicity Urban Runoff/Storm Sewers 8 R "Santiago Creek, Reach 4" 801.12 Low 2 M N Salinity/Total Dissolved Solids/Chlorides Source Unknown 8 R Silverado Creek 801.12 Low 2 M N "Total Dissolved Solids/ Chlorides, Coliform" Urban Runoff/Storm Sewers 8 R Summit Creek 801.71 Low 2 M N Cause Unknown Source Unknown 9 B Mission Bay 906.40 Low 1540 A N Coliform Nonpoint/Point Source 7/2001 6/2003 9 B Mission Bay 906.40 Low 1 A N Eutrophic Nonpoint/Point Source 7/2001 6/2003 9 B Mission Bay 906.40 Low 1 A N Lead Nonpoint/Point Source 7/2001 6/2003 9 B "San Diego Bay, North; Shelter Island Yacht Basin" 908.21 High 50 A Y Dissolved Copper Nonpoint/Point Source 7/96 6/99 9 C "Aliso Beach, Orange County" 901.10 Low 1 M N Coliform Nonpoint/Point Source 7/99 1/2006 9 C "Doheny State Beach, Orange County" 901.14 Low 1 M N Coliform Nonpoint/Point Source 7/99 6/2001 9 C Imperial Beach 910.00 -911.00 Low 2.4 M N Coliform Nonpoint/Point Source 7/2002 6/2004 9 C La Jolla 906.30 Low 1 M N Coliform Nonpoint/Point Source 7/2001 6/2003 9 C Laguna Beach 901.12 Low 1 M N Coliform Nonpoint/Point Source 7/99 6/2001 9 C Ocean Beach 907.00 -908.00 Low 1 M N Coliform Nonpoint/Point Source 7/2001 6/2003 9 C Oceanside 903.11 Low 1 M N Coliform Nonpoint/Point Source 7/2000 6/2002 9 C Silver Strand 910.00 -911.00 Low 3.5 M N Coliform Nonpoint/Point Source 7/2002 6/2004 9 C Solana Beach 906.41 Low 1 M Y Coliform Nonpoint/Point Source 7/98 6/2000 9 E Agua Hedionda Lagoon 904.31 Low 5 A N "Sedimentation, Coliform" Nonpoint/Point Source 7/2000 6/2002 9 E Buena Vista Lagoon 904.21 Low 150 A N Nutrients Nonpoint/Point Source 7/2000 6/2002 9 E Buena Vista Lagoon 904.21 Low 350 A N "Sedimentation, Coliform" Nonpoint/Point Source 7/2000 6/2002 9 E Famosa Slough and Channel 906.40 Low 28 A N Eutrophic Nonpoint Source 7/2001 6/2003 9 E Loma Alta Slough 904.10 Low 8 A N "Eutrophic, Coliform" Nonpoint Source 7/2000 6/2002 9 E Los Penasquitos Lagoon 906.10 Low 385 A N Sedimentation Nonpoint/Point Source 7/2001 6/2003 9 E "Pacific Ocean, Tijuana River Estuary Shoreline" 911.11 Low 2.7 M N Coliform Nonpoint/Point Source 7/2002 6/2004 9 E San Elijo Lagoon 904.61 Low 150 A N "Coliform, Sedimentation" Nonpoint/Point Source 7/2001 6/2003 9 E San Elijo Lagoon 904.61 Low 330 A N Eutrophic Nonpoint/Point Source 7/2001 6/2003 9 E Santa Margarita Lagoon 902.11 High 1 A Y Eutrophic Nonpoint/Point Source 7/96 6/98 9 E Tijuana River Estuary 911.11 Low 1 A N "Coliform, Pesticides, Trash, Nickel, Thallium, Lead, Eutrophic" Nonpoint/Point Source 7/2001 6/2004 9 L Guajome Lake 903.11 Low 25 A N Eutrophic Nonpoint/Point Source 7/99 6/2001 9 R "Aliso Creek, mouth of Orange County" 901.10 Low 0.3 A N Coliform Nonpoint/Point Source 7/99 6/2001 9 R "Aliso Creek, Orange County" 901.10 Low 1 M N Coliform Nonpoint/Point Source 7/99 6/2001 9 R Chollas Creek 908.22 High 1 M Y "Stormwater (Cadmium, Copper, Lead, Zinc, Toxicity), Coliform" Nonpoint/Point Source 7/96 6/98 9 R Rainbow Creek 902.20 High 5 M Y Eutrophic Nonpoint/Point Source 7/96 6/98 9 R "San Juan Creek, lower Orange County" 901.20 Low 1 M N Coliform Nonpoint/Point Source 7/99 6/2001 9 R "San Juan Creek, mouth of Orange County" 901.20 Low 2 A N Coliform Nonpoint/Point Source 7/99 6/2001 9 R Tecolote Creek 906.50 Low 6 M N "Stormwater(Cadmium, Copper, Lead, Zinc, Toxicity), Coliform" Nonpoint/Point Source 7/2001 6/2003 9 R Tijuana River 911.11 Low 7 M N "Coliform, Eutrophic, Low Dissolved Oxygen, Solids, Trash, Synthetic Organics, Pesticides, Cadmium, Chromiium, Copper, Cyanide, Lead, Zinc" Nonpoint/Point Source 7/2002 6/2004