Regional Board 5 - Central Valley Region | CATEGORY 5 | Draft 2008 California 305(b)/303(d) Integrated Report
11 May 2009
2008 CALIFORNIA 303(d) LIST OF WATER QUALITY LIMITED SEGMENTS*

REGION | WATER BODY NAME | WATER TYPE | WATERSHED* CALWATER / USGS HUC | POLLUTANT POTENTIAL SOURCES Relevant Notes | ESTIMATED AREA ASSESSED | FIRST YEAR LISTED | TMDL REQUIREMENT STATUS** | DATE***
5 | Agatha Canal (Merced County) | River & Stream | 54120000 / 18040001 | pH Source Unknown | 2.5 Miles | 2008 | 5A | 2021
5 | Almanor Lake | Lake & Reservoir | 51841000 / 18020121 | Mercury Resource Extraction | 25314 Acres | 2008 | 5A | 2021
5 | Amador Lake | Lake & Reservoir | 53240041 / 18040012 | pH (high) Source Unknown | 299 Acres | 2008 | 5A | 2021
5 | American River, Lower (Nimbus Dam to confluence with Sacramento River) | River & Stream | 51921000 / 18020109 | Mercury Resource Extraction | 27 Miles | 1990 | 5A | 2010
| All resource extraction sources are abandoned mines.
| PCBs (Polychlorinated biphenyls) Source Unknown | 27 Miles | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 27 Miles | 1990 | 5A | 2021
5 | American River, North Fork | River & Stream | 51421010 / 18020128 | Mercury Resource Extraction | 71 Miles | 2008 | 5A | 2019
| This listing is from North Fork Dam to Folsom Lake.
5 | American River, South Fork (below Slab Creek Reservoir to Folsom Lake) | River & Stream | 51432060 / 18020129 | Mercury Resource Extraction | 37 Miles | 2006 | 5A | 2021
5 | Anderson Creek (Shasta County) | River & Stream | 50810000 / 18020101 | Escherichia coli (E. Coli) Source Unknown | 16 Miles | 2008 | 5A | 2021
5 | Arcade Creek | River & Stream | 51921000 / 18020111 | Chlorpyrifos Urban Runoff/Storm Sewers | 9.9 Miles | 1998 | 5B | 2004
| Copper Source Unknown | 9.9 Miles | 2002 | 5A | 2021
| Diazinon Agriculture Urban Runoff/Storm Sewers | 9.9 Miles | 1998 | 5B | 2004
| The agricultural source of diazinon for these waterbodies is from aerial deposition.
| Malathion Agriculture Urban Runoff/Storm Sewers | 9.9 Miles | 2008 | 5A | 2021
| Pyrethroids Urban Runoff/Storm Sewers | 9.9 Miles | 2008 | 5A | 2021
5 | Ash Creek, Upper | River & Stream | 52664024 / 18020002 | Escherichia coli (E. Coli) Source Unknown | 19 Miles | 2008 | 5A | 2021
| pH Source Unknown | 19 Miles | 2008 | 5A | 2021
5 | Ash Slough (Madera County) | River & Stream | 54520000 / 18040001 | Chlorpyrifos Source Unknown | 27 Miles | 2008 | 5A | 2021
5 | Avena Drain | River & Stream | 53140000 / 18040002 | Ammonia Agriculture Dairies | 6.4 Miles | 2002 | 5A | 2020
| Pathogens Agriculture Dairies | 6.4 Miles | 2002 | 5A | 2020
5 | Bates Slough (from Avenue 200 to Deep Creek, Tulare County) | River & Stream | 55810000 / 18030012 | Unknown Toxicity Source Unknown | 7.5 Miles | 2008 | 5A | 2021
5 | Beach Lake | Lake & Reservoir | 51000000 / 18020109 | Mercury Resource Extraction | 96 Acres | 2008 | 5A | 2021
5 | Bear Creek (San Joaquin and Calaveras Counties; partly in Delta Waterways, eastern portion) | River & Stream | 53120000 / 18040005 | Copper Source Unknown | 43 Miles | 2008 | 5A | 2021
| Escherichia coli (E. Coli) Source Unknown | 43 Miles | 2008 | 5A | 2021
| Low Dissolved Oxygen Source Unknown | 43 Miles | 2008 | 5A | 2021
5 | Bear Creek (from Bear Valley to San Joaquin River, Mariposa and Merced Counties) | River & Stream | 53800010 / 18040001 | Escherichia coli (E. Coli) Source Unknown | 84 Miles | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 84 Miles | 2008 | 5A | 2021
5 | Bear River (Amador Co, Lower Bear River Reservoir to Mokelumne River, N Fork) | River & Stream | 53260050 / 18040012 | Copper Resource Extraction | 5.4 Miles | 2008 | 5A | 2021
5 | Bear River (from Allen to Upper Bear River Reservoir, Amador County) | River & Stream | 53260040 / 18040012 | pH (low) Source Unknown | 8.4 Miles | 2008 | 5A | 2021
5 | Bear River, Lower (below Camp Far West Reservoir) | River & Stream | 51510000 / 18020126 | Chlorpyrifos Agriculture | 21 Miles | 2008 | 5A | 2021
| Copper Source Unknown | 21 Miles | 2008 | 5A | 2021
| Diazinon Agriculture | 21 Miles | 2002 | 5A | 2010
| Mercury Resource Extraction | 21 Miles | 2008 | 5A | 2015
5 | Bear River, Upper (from Combie Lake to Camp Far West Reservoir, Nevada and Placer Counties) | River & Stream | 51633010 / 18020126 | Mercury Resource Extraction | 10 Miles | 2002 | 5A | 2015
5 | Beaver Creek | River & Stream | 52641011 / 18020003 | Escherichia coli (E. Coli) Source Unknown | 23 Miles | 2008 | 5A | 2021
5 | Berenda Creek (Madera County) | River & Stream | 54530020 / 18040001 | Chlorpyrifos Agriculture | 21 Miles | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 21 Miles | 2008 | 5A | 2021
5 | Berenda Slough (Madera County) | River & Stream | 54520000 / 18040001 | Chlorpyrifos Agriculture | 23 Miles | 2008 | 5A | 2021
5 | Berryessa, Lake | Lake & Reservoir | 51221010 / 18020117 | Mercury Resource Extraction | 19083 Acres | 1996 | 5A | 2017
5 | Big Chico Creek (Butte and Tehama Counties) | River & Stream | 52040000 / 18020103 | Mercury Resource Extraction | 45 Miles | 2008 | 5A | 2021
5 | Black Butte Reservoir | Lake & Reservoir | 50432000 / 18020115 | Mercury Resource Extraction | 4507 Acres | 2002 | 5A | 2020
5 | Britton Lake | Lake & Reservoir | 52631012 / 18020003 | Mercury Resource Extraction | 1100 Acres | 2008 | 5A | 2021
5 | Burch Creek (Tehama County) | River & Stream | 50420070 / 18020103 | Unknown Toxicity Source Unknown | 24 Miles | 2008 | 5A | 2021
5 | Butte Creek (Butte County) | River & Stream | 52040000 / 18020104 | Mercury Resource Extraction | 94 Miles | 2008 | 5A | 2021
| pH Source Unknown | 94 Miles | 2008 | 5A | 2021
5 | Butte Slough | River & Stream | 52030000 / 18020104 | Diazinon Agriculture | 8.9 Miles | 2002 | 5A | 2010
| Dichlorvos Agriculture Vector Control Sprays | 8.9 Miles | 2008 | 5A | 2021
| Low Dissolved Oxygen Source Unknown | 8.9 Miles | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 8.9 Miles | 2008 | 5A | 2021
5 | Cache Creek, Lower (Clear Lake Dam to Cache Creek Settling Basin near Yolo Bypass) | River & Stream | 51120000 / 18020109 | Boron Source Unknown | 96 Miles | 2008 | 5A | 2021
| Mercury Resource Extraction | 96 Miles | 1996 | 5B | 2007
| All resource extraction sources are abandoned mines.
| Unknown Toxicity Source Unknown | 96 Miles | 1996 | 5A | 2019
5 | Calaveras River, Lower (from Bellota Weir to Stockton Diverting Canal) | Coastal & Bay Shoreline | 53130000 / 18040004 | Unknown Toxicity Agriculture | 21 Miles | 2008 | 5A | 2021
5 | Calaveras River, Lower (from Stockton Diverting Canal to the San Joaquin River; partly in Delta Waterways, eastern portion) | River & Stream | 54400000 / 18040004 | Chlorpyrifos Agriculture | 7.6 Miles | 2008 | 5A | 2021
| Diazinon Agriculture | 7.6 Miles | 2002 | 5A | 2021
| Mercury Resource Extraction | 7.6 Miles | 2008 | 5A | 2021
| Organic Enrichment/Low Dissolved Oxygen Urban Runoff/Storm Sewers | 7.6 Miles | 2002 | 5A | 2012
| Pathogens Urban Runoff/Storm Sewers | 7.6 Miles | 2002 | 5B | 2008
5 | Camanche Reservoir | Lake & Reservoir | 53120000 / 18040005 | Copper Resource Extraction | 7389 Acres | 2002 | 5A | 2020
| Mercury Resource Extraction | 7389 Acres | 2008 | 5A | 2021
| Zinc Resource Extraction | 7389 Acres | 2002 | 5A | 2021
5 | Camp Far West Reservoir | Lake & Reservoir | 51631013 / 18020126 | Mercury Resource Extraction | 1945 Acres | 2002 | 5A | 2015
5 | Canyon Creek (Modoc County) | River & Stream | 52651032 / 18020002 | Escherichia coli (E. Coli) Source Unknown | 18 Miles | 2008 | 5A | 2021
5 | Carson Creek (from WWTP to Deer Creek) | River & Stream | 53222013 / 18040005 | Aluminum Source Unknown | 12 Miles | 2006 | 5A | 2019
| Manganese Source Unknown | 12 Miles | 2006 | 5A | 2021
5 | Chicken Ranch Slough | River & Stream | 51921000 / 18020111 | Chlorpyrifos Urban Runoff/Storm Sewers | 8 Miles | 1998 | 5B | 2004
| Diazinon Agriculture Urban Runoff/Storm Sewers | 8 Miles | 1998 | 5B | 2004
| The agricultural source of diazinon for these waterbodies is from aerial deposition.
| Pyrethroids Urban Runoff/Storm Sewers | 8 Miles | 2008 | 5A | 2021
5 | China Slough (from Leininger Road to Sacramento River, Tehama County) | River & Stream | 50420070 / 18020103 | Unknown Toxicity Source Unknown | 5.2 Miles | 2008 | 5A | 2021
5 | Clear Creek (below Whiskeytown Lake, Shasta County) | River & Stream | 50810000 / 18020112 | Mercury Resource Extraction | 18 Miles | 2008 | 5A | 2021
5 | Clover Creek | River & Stream | 50732000 / 18020118 | Fecal Coliform Agriculture-grazing Other | 11 Miles | 2002 | 5A | 2019
5 | Colusa Basin Drain | River & Stream | 52010000 / 18020104 | Azinphos-methyl (Guthion) Agriculture | 49 Miles | 2002 | 5A | 2019
| Carbofuran Agriculture | 49 Miles | 1998 | 5A | 2021
| Diazinon Agriculture | 49 Miles | 2002 | 5A | 2008
| Dieldrin Agriculture | 49 Miles | 2008 | 5A | 2021
| Escherichia coli (E. Coli) Source Unknown | 49 Miles | 2008 | 5A | 2021
| Group A Pesticides Agriculture | 49 Miles | 1998 | 5A | 2019
| Low Dissolved Oxygen Source Unknown | 49 Miles | 2008 | 5A | 2021
| Malathion Agriculture | 49 Miles | 1998 | 5A | 2010
| Mercury Resource Extraction | 49 Miles | 2008 | 5A | 2021
| Unknown Toxicity Agriculture | 49 Miles | 1992 | 5A | 2019
5 | Comanche Creek (from Little Chico Creek to Angel Slough, Butte and Glenn Counties) | River & Stream | 52040000 / 18020105 | Diuron Agriculture | 15 Miles | 2008 | 5A | 2021
5 | Combie, Lake | Lake & Reservoir | 51633011 / 18020126 | Mercury Resource Extraction | 362 Acres | 2002 | 5A | 2015
| All resource extraction sources are abandoned mines.
5 | Concow Creek (tributary to West Branch Feather River, Butte County) | River & Stream | 51860031 / 18020121 | Unknown Toxicity Source Unknown | 9.7 Miles | 2008 | 5A | 2021
5 | Coon Creek, Lower (from Pacific Avenue to Main Canal, Sutter County) | River & Stream | 51922000 / 18020109 | Chlorpyrifos Agriculture | 5.8 Miles | 2008 | 5A | 2021
| Escherichia coli (E. Coli) Source Unknown | 5.8 Miles | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 5.8 Miles | 2008 | 5A | 2021
5 | Cosumnes River, Lower (below Michigan Bar; partly in Delta Waterways, eastern portion) | River & Stream | 53111000 / 18040003 | Escherichia coli (E. Coli) Source Unknown | 36 Miles | 2008 | 5A | 2021
| Invasive Species Source Unknown | 36 Miles | 2008 | 5A | 2019
| Sediment Toxicity Agriculture | 36 Miles | 2008 | 5A | 2021
5 | Cosumnes River, Upper (above Michigan Bar) | River & Stream | 53223080 / 18040005 | Invasive Species Source Unknown | 17 Miles | 2008 | 5A | 2019
5 | Cottonwood Creek (S Madera County) | River & Stream | 54520000 / 18040001 | Escherichia coli (E. Coli) Source Unknown | 29 Miles | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 29 Miles | 2008 | 5A | 2021
5 | Cross Creek (Kings and Tulare Counties) | River & Stream | 55810000 / 18030012 | Unknown Toxicity Source Unknown | 32 Miles | 2008 | 5A | 2021
5 | Curry Creek (Placer and Sutter Counties) | River & Stream | 51922000 / 18020111 | Pyrethroids Urban Runoff/Storm Sewers | 12 Miles | 2008 | 5A | 2021
5 | Curtis Creek (Tuolumne County) | River & Stream | 53631021 / 18040009 | Escherichia coli (E. Coli) Source Unknown | 12 Miles | 2008 | 5A | 2021
5 | Davis Creek (downstream from Davis Creek Reservoir, Yolo County) | River & Stream | 51332010 / 18020116 | Mercury Resource Extraction | 6.3 Miles | 2008 | 5A | 2017
5 | Davis Creek (upstream from Davis Creek Reservoir, Yolo County) | River & Stream | 51332010 / 18020116 | Mercury Resource Extraction | 4.8 Miles | 2008 | 5A | 2017
5 | Davis Creek Reservoir | Lake & Reservoir | 51332010 / 18020116 | Mercury Resource Extraction | 163 Acres | 1988 | 5A | 2017
5 | Deadman Creek (Merced County) | River & Stream | 53570000 / 18040001 | Chlorpyrifos Agriculture | 11 Miles | 2008 | 5A | 2021
| Escherichia coli (E. Coli) Source Unknown | 11 Miles | 2008 | 5A | 2021
5 | Deep Slough (Merced County) | River & Stream | 53570000 / 18040001 | pH Source Unknown | 4.6 Miles | 2008 | 5A | 2021
5 | Deer Creek (Sacramento County) | River & Stream | 53222012 / 18040013 | Iron Source Unknown | 12 Miles | 2006 | 5A | 2019
5 | Deer Creek (Tulare County) | River & Stream | 55810000 / 18030005 | Unknown Toxicity Source Unknown | 58 Miles | 2008 | 5A | 2021
| pH (high) Source Unknown | 58 Miles | 2008 | 5A | 2021
5 | Deer Creek (Yuba County) | River & Stream | 51712014 / 18020125 | pH Internal Nutrient Cycling (primarily lakes) | 4.3 Miles | 2002 | 5A | 2019
5 | Deer Creek (from Deer Creek Reservoir to Lake Wildwood, Nevada County) | River & Stream | 51720012 / 18020125 | Mercury Resource Extraction | 16 Miles | 2008 | 5A | 2016
5 | Del Puerto Creek | River & Stream | 54110000 / 18040002 | Bifenthrin Agriculture | 6.5 Miles | 2008 | 5A | 2010
| Chlorpyrifos Agriculture | 6.5 Miles | 2002 | 5A | 2008
| Diazinon Agriculture | 6.5 Miles | 2002 | 5A | 2008
| Dieldrin Agriculture | 6.5 Miles | 2008 | 5A | 2021
| Dimethoate Agriculture | 6.5 Miles | 2008 | 5A | 2021
| Diuron Agriculture | 6.5 Miles | 2008 | 5A | 2021
| Escherichia coli (E. Coli) Source Unknown | 6.5 Miles | 2008 | 5A | 2021
| Pyrethroids Agriculture | 6.5 Miles | 2006 | 5A | 2010
| The pyrethroids of concern for this listing are bifenthrin, lamdba cyhalothrin, efenvalerate/fedvalerate, and permethrin.
| Salinity Source Unknown | 6.5 Miles | 2008 | 5A | 2021
| Sediment Toxicity Agriculture | 6.5 Miles | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 6.5 Miles | 2008 | 5A | 2021
| pH (high) Source Unknown | 6.5 Miles | 2008 | 5A | 2021
5 | Delta Waterways (Stockton Ship Channel) | Estuary | 54400000 / 18040004 | Chlorpyrifos Agriculture Urban Runoff/Storm Sewers | 1603 Acres | 1992 | 5B | 2007
| DDT Agriculture | 1603 Acres | 1992 | 5A | 2011
| Diazinon Agriculture Urban Runoff/Storm Sewers | 1603 Acres | 1992 | 5B | 2007
| Dioxin Source Unknown | 1603 Acres | 2006 | 5A | 2019
| The areas of the ship channel impacted by dioxin contamination in sportfish encompass Old Mormon Slough, New Mormon Slough, McLeod Lake, Turning Basin, Morrelli Boat Ramp, and Louis Park Boat Ramp (California Department of Health Services 1998 warning). This listing was made by USEPA in 1998 and was under the Stockton Turning Basin, upper (Port Turning Basin) on previous lists. In order to consolidate listings for same areas, all listings for Stockton Turning Basin are now under the Delta Waterways (Stockton Ship Channel).
| Furan Compounds Contaminated Sediments | 1603 Acres | 2006 | 5A | 2019
| This listing was previously under Stockton Turning Basin, upper (Port Turning Basin). In order to consolidate listings for same areas, all listings for Stockton Turning Basin are now under the Delta Waterways (Stockton Ship Channel).
| Group A Pesticides Agriculture | 1603 Acres | 1992 | 5A | 2011
| Invasive Species Source Unknown | 1603 Acres | 2006 | 5A | 2019
| Mercury Resource Extraction | 1603 Acres | 1992 | 5A | 2009
| All resource extraction sources are abandoned mines.
| Organic Enrichment/Low Dissolved Oxygen Municipal Point Sources Urban Runoff/Storm Sewers | 1603 Acres | 2002 | 5B | 2007
| PCBs (Polychlorinated biphenyls) Source Unknown | 1603 Acres | 2006 | 5A | 2019
| The areas of the ship channel impacted by PCB contamination in sportfish encompass Old Mormon Slough, New Mormon Slough, McLeod Lake, Turning Basin, Morrelli Boat Ramp, and Louis Park Boat Ramp (California Department of Health Services 1998 warning). This listing was made by USEPA in 1998 and was under the Stockton Turning Basin, upper (Port Turning Basin) on previous lists. In order to consolidate listings for same areas, all listings for Stockton Turning Basin are now under the Delta Waterways (Stockton Ship Channel).
| Pathogens Recreational and Tourism Activities (non-boating) Urban Runoff/Storm Sewers | 1603 Acres | 2006 | 5B | 2008
| This listing was previously under Stockton Turning Basin, upper (Port Turning Basin). In order to consolidate listings for same areas, all listings for Stockton Turning Basin are now under the Delta Waterways (Stockton Ship Channel).
| Unknown Toxicity Source Unknown | 1603 Acres | 2006 | 5A | 2019
5 | Delta Waterways (central portion) | Estuary | 54400000 / 18040003 | Chlorpyrifos Agricultural Return Flows Urban Runoff/Storm Sewers | 11425 Acres | 1992 | 5A | 2019
| DDT Agriculture | 11425 Acres | 1992 | 5A | 2011
| Diazinon Agriculture Urban Runoff/Storm Sewers | 11425 Acres | 1992 | 5B | 2007
| Group A Pesticides Agriculture | 11425 Acres | 1992 | 5A | 2011
| Invasive Species Source Unknown | 11425 Acres | 2006 | 5A | 2019
| Mercury Resource Extraction | 11425 Acres | 1992 | 5A | 2009
| All resource extraction sources are abandoned mines.
| Unknown Toxicity Source Unknown | 11425 Acres | 1996 | 5A | 2019
5 | Delta Waterways (eastern portion) | Estuary | 54400000 / 18040005 | Chlorpyrifos Agriculture Urban Runoff/Storm Sewers | 2972 Acres | 1992 | 5B | 2007
| DDT Agriculture | 2972 Acres | 1992 | 5A | 2011
| Diazinon Agriculture Urban Runoff/Storm Sewers | 2972 Acres | 1992 | 5B | 2007
| Group A Pesticides Agriculture | 2972 Acres | 1992 | 5A | 2011
| Invasive Species Source Unknown | 2972 Acres | 2006 | 5A | 2019
| Mercury Resource Extraction | 2972 Acres | 1992 | 5A | 2009
| All resource extraction sources are abandoned mines.
| Unknown Toxicity Source Unknown | 2972 Acres | 1996 | 5A | 2019
5 | Delta Waterways (export area) | Estuary | 54400000 / 18040003 | Chlorpyrifos Agriculture Urban Runoff/Storm Sewers | 583 Acres | 1992 | 5B | 2007
| DDT Agriculture | 583 Acres | 1992 | 5A | 2011
| Diazinon Agriculture Urban Runoff/Storm Sewers | 583 Acres | 1992 | 5B | 2007
| Electrical Conductivity Agriculture | 583 Acres | 2006 | 5A | 2019
| Group A Pesticides Agriculture | 583 Acres | 1992 | 5A | 2011
| Invasive Species Source Unknown | 583 Acres | 2006 | 5A | 2019
| Mercury Resource Extraction | 583 Acres | 1992 | 5A | 2009
| All resource extraction sources are abandoned mines.
| Unknown Toxicity Source Unknown | 583 Acres | 1996 | 5A | 2019
5 | Delta Waterways (northern portion) | Estuary | 51000000 / 18020109 | Chlordane Agriculture | 6795 Acres | 2008 | 5A | 2011
| Chlorpyrifos Agriculture Urban Runoff/Storm Sewers | 6795 Acres | 1992 | 5B | 2007
| DDT Agriculture | 6795 Acres | 1992 | 5A | 2011
| Diazinon Agriculture Urban Runoff/Storm Sewers | 6795 Acres | 1992 | 5B | 2007
| Dieldrin Agriculture | 6795 Acres | 2008 | 5A | 2011
| Group A Pesticides Agriculture | 6795 Acres | 1992 | 5A | 2011
| Invasive Species Source Unknown | 6795 Acres | 2006 | 5A | 2019
| Mercury Resource Extraction | 6795 Acres | 1992 | 5A | 2009
| All resource extraction sources are abandoned mines.
| PCBs (Polychlorinated biphenyls) Source Unknown | 6795 Acres | 1992 | 5A | 2019
| Unknown Toxicity Source Unknown | 6795 Acres | 1996 | 5A | 2019
5 | Delta Waterways (northwestern portion) | Estuary | 51000000 / 18020109 | Chlorpyrifos Agriculture Urban Runoff/Storm Sewers | 2587 Acres | 1992 | 5B | 2007
| DDT Agriculture | 2587 Acres | 1992 | 5A | 2011
| Diazinon Agriculture Urban Runoff/Storm Sewers | 2587 Acres | 1992 | 5B | 2007
| Electrical Conductivity Agriculture | 2587 Acres | 2006 | 5A | 2019
| Group A Pesticides Agriculture | 2587 Acres | 1992 | 5A | 2011
| Invasive Species Source Unknown | 2587 Acres | 2006 | 5A | 2019
| Mercury Resource Extraction | 2587 Acres | 1992 | 5A | 2009
| All resource extraction sources are abandoned mines.
| Unknown Toxicity Source Unknown | 2587 Acres | 1992 | 5A | 2019
5 | Delta Waterways (southern portion) | Estuary | 54400000 / 18040002 | Chlorpyrifos Agriculture Urban Runoff/Storm Sewers | 3125 Acres | 1992 | 5B | 2007
| DDT Agriculture | 3125 Acres | 1992 | 5A | 2011
| Diazinon Agriculture Urban Runoff/Storm Sewers | 3125 Acres | 1992 | 5B | 2007
| Electrical Conductivity Agriculture | 3125 Acres | 2006 | 5A | 2019
| Group A Pesticides Agriculture | 3125 Acres | 1992 | 5A | 2011
| Invasive Species Source Unknown | 3125 Acres | 2006 | 5A | 2019
| Mercury Resource Extraction | 3125 Acres | 1992 | 5A | 2009
| All resource extraction sources are abandoned mines.
| Unknown Toxicity Source Unknown | 3125 Acres | 1996 | 5A | 2019
5 | Delta Waterways (western portion) | Estuary | 54400000 / 18040003 | Chlorpyrifos Agriculture Urban Runoff/Storm Sewers | 14524 Acres | 2006 | 5A | 2006
| DDT Agriculture | 14524 Acres | 2006 | 5A | 2011
| Diazinon Agriculture Urban Runoff/Storm Sewers | 14524 Acres | 2006 | 5B | 2007
| Electrical Conductivity Agriculture | 14524 Acres | 2006 | 5A | 2019
| Group A Pesticides Agriculture | 14524 Acres | 2006 | 5A | 2011
| Invasive Species Source Unknown | 14524 Acres | 2006 | 5A | 2019
| Mercury Resource Extraction | 14524 Acres | 2006 | 5A | 2009
| All resource extraction sources are abandoned mines.
| Unknown Toxicity Source Unknown | 14524 Acres | 2002 | 5A | 2019
5 | Dolly Creek | River & Stream | 51854030 / 18020122 | Copper Resource Extraction | 1.5 Miles | 1992 | 5A | 2019
| All resource extraction sources are abandoned mines.
| Zinc Resource Extraction | 1.5 Miles | 1992 | 5A | 2019
| All resource extraction sources are abandoned mines.
5 | Don Pedro Lake | Lake & Reservoir | 53632010 / 18040009 | Mercury Resource Extraction | 11056 Acres | 2002 | 5A | 2020
5 | Dry Creek (tributary to Tuolumne River at Modesto, E Stanislaus County) | River & Stream | 53540011 / 18040002 | Chlorpyrifos Agriculture | 34 Miles | 2008 | 5A | 2021
| Diazinon Agriculture | 34 Miles | 2008 | 5A | 2021
| Escherichia coli (E. Coli) Source Unknown | 34 Miles | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 34 Miles | 2008 | 5A | 2021
5 | Duck Creek (San Joaquin County) | River & Stream | 53140000 / 18040002 | Chlorpyrifos Agriculture | 33 Miles | 2008 | 5A | 2021
| Escherichia coli (E. Coli) Source Unknown | 33 Miles | 2008 | 5A | 2021
| Mercury Resource Extraction | 33 Miles | 2008 | 5A | 2019
5 | Duck Slough (Merced County) | River & Stream | 53570000 / 18040001 | Chlorpyrifos Agriculture | 27 Miles | 2008 | 5A | 2021
| Escherichia coli (E. Coli) Source Unknown | 27 Miles | 2008 | 5A | 2021
| Sediment Toxicity Source Unknown | 27 Miles | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 27 Miles | 2008 | 5A | 2021
5 | Duck Slough (in Delta Waterways, northern portion) | River & Stream | 51000000 / 18020109 | Chlorpyrifos Source Unknown | 2.7 Miles | 2008 | 5A | 2021
5 | Dunn Creek (Mt Diablo Mine to Marsh Creek) | River & Stream | 54300021 / 18040003 | Mercury Resource Extraction | 0.7 Miles | 1994 | 5A | 2015
| All resource extraction sources are abandoned mines.
| Metals Resource Extraction | 0.7 Miles | 1994 | 5A | 2019
| All resource extraction sources are abandoned mines.
5 | East Park Reservoir | Lake & Reservoir | 52233000 / 18020115 | Mercury Resource Extraction | 1698 Acres | 2008 | 5A | 2021
5 | Eastman Lake (Shasta County) | Lake & Reservoir | 52641053 / 18020003 | pH Source Unknown | 19 Acres | 2008 | 5A | 2021
5 | Elbow Creek (from Mathews Ditch to Cottonwood Creek, Tulare County) | River & Stream | 55810000 / 18030012 | Chlorpyrifos Agriculture | 11 Miles | 2008 | 5A | 2021
5 | Elder Creek | River & Stream | 51911000 / 18020109 | Chlorpyrifos Storm sewers | 11 Miles | 1998 | 5B | 2004
| Diazinon Agriculture Urban Runoff/Storm Sewers | 11 Miles | 1998 | 5B | 2004
| The agricultural source of diazinon for these waterbodies is from aerial deposition.
| Pyrethroids Urban Runoff/Storm Sewers | 11 Miles | 2008 | 5A | 2021
5 | Elder Creek (at Gerber) | River & Stream | 50420070 / 18020114 | Chlorpyrifos Source Unknown | 29 Miles | 2008 | 5A | 2021
| Diazinon Source Unknown | 29 Miles | 2008 | 5A | 2021
5 | Elk Bayou (Tulare County) | River & Stream | 55810000 / 18030012 | Chlorpyrifos Agriculture | 11 Miles | 2008 | 5A | 2021
| Dimethoate Agriculture | 11 Miles | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 11 Miles | 2008 | 5A | 2021
| pH (high) Source Unknown | 11 Miles | 2008 | 5A | 2021
5 | Englebright Lake | Lake & Reservoir | 51714013 / 18020125 | Mercury Resource Extraction | 754 Acres | 2002 | 5A | 2016
| All resource extraction sources are abandoned mines.
5 | Fall River (Pit) | River & Stream | 52641031 / 18020003 | Sedimentation/Siltation Historic Land Management Activities | 8.6 Miles | 1996 | 5A | 2019
| The sedimentation is accumulated sand size sediment in the upper Fall River. The historic land management activities include logging, grazing, channelization, roads, and railroads.
5 | Fall River, tributary to Feather River, Middle Fork (Butte and Plumas Counties) | River & Stream | 51832062 / 18020123 | Unknown Toxicity Source Unknown | 22 Miles | 2008 | 5A | 2021
5 | Feather River, Lower (Lake Oroville Dam to Confluence with Sacramento River) | River & Stream | 51540000 / 18020109 | Chlorpyrifos Agriculture | 42 Miles | 1996 | 5A | 2019
| Group A Pesticides Agriculture | 42 Miles | 1990 | 5A | 2011
| Mercury Resource Extraction | 42 Miles | 1992 | 5A | 2012
| All resource extraction sources are abandoned mines.
| PCBs (Polychlorinated biphenyls) Source Unknown | 42 Miles | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 42 Miles | 1992 | 5A | 2019
5 | Feather River, Middle Fork (Sierra Valley to Lake Oroville, Butte and Plumas Counties) | River & Stream | 51833050 / 18020123 | Unknown Toxicity Source Unknown | 77 Miles | 2008 | 5A | 2021
| This listing apples to the reach from Long Valley Creek to Lake Oroville.
5 | Feather River, North Fork (below Lake Almanor) | River & Stream | 51812000 / 18020121 | Mercury Resource Extraction | 54 Miles | 2006 | 5A | 2021
| This listing is from Poe Reservoir Dam to Lake Oroville.
| PCBs (Polychlorinated biphenyls) Source Unknown | 54 Miles | 2008 | 5A | 2021
| Temperature, water Flow Regulation/Modification Hydromodification | 54 Miles | 2006 | 5A | 2019
| Unknown Toxicity Source Unknown | 54 Miles | 2008 | 5A | 2021
| This lisitng is for Invertibrate Toxicity. This listing is from Poe Reservoir Dam to Lake Oroville.
5 | Feather River, South Fork (from Little Grass Valley Reservoir to Lake Oroville, Butte and Plumas Counties) | River & Stream | 51811050 / 18020123 | PCBs (Polychlorinated biphenyls) Source Unknown | 33 Miles | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 33 Miles | 2008 | 5A | 2021
5 | Feather River, West Branch (from Griffin Gulch to Lake Oroville) | River & Stream | 51860031 / 18020121 | Unknown Toxicity Source Unknown | 37 Miles | 2008 | 5A | 2021
5 | Five Mile Slough (Alexandria Place to Fourteen Mile Slough; in Delta Waterways, eastern portion) | River & Stream | 54400000 / 18040003 | Chlorpyrifos Urban Runoff/Storm Sewers | 1.6 Miles | 1998 | 5A | 2006
| Diazinon Agriculture Urban Runoff/Storm Sewers | 1.6 Miles | 1998 | 5A | 2006
| The agricultural source of diazinon for this waterbody is from aerial deposition.
| Organic Enrichment/Low Dissolved Oxygen Urban Runoff/Storm Sewers | 1.6 Miles | 2002 | 5A | 2019
| Pathogens Other Urban Runoff Recreational and Tourism Activities (non-boating) | 1.6 Miles | 2002 | 5B | 2008
5 | Folsom Lake | Lake & Reservoir | 51423010 / 18020128 | Mercury Resource Extraction | 11064 Acres | 2008 | 5A | 2019
5 | French Camp Slough (confluence of Littlejohns and Lone Tree Creeks to San Joaquin River, San Joaquin Co.; partly in Delta Waterways, eastern portion) | River & Stream | 53140000 / 18040002 | Chlorpyrifos Agriculture | 6.3 Miles | 2008 | 5A | 2021
| Diazinon Agriculture | 6.3 Miles | 2008 | 5A | 2021
| Escherichia coli (E. Coli) Source Unknown | 6.3 Miles | 2008 | 5A | 2021
| Oxygen, Dissolved Source Unknown | 6.3 Miles | 2008 | 5A | 2021
| Sediment Toxicity Agriculture | 6.3 Miles | 2008 | 5A | 2021
| Unknown Toxicity Agriculture | 6.3 Miles | 2008 | 5A | 2021
5 | French Ravine | River & Stream | 51632011 / 18020126 | Bacteria Land Disposal | 1.7 Miles | 1996 | 5A | 2019
5 | Fresno River (Above Hensley Reservoir to confl w Nelder Creek and Lewis Fork) | River & Stream | 53931030 / 18040007 | Low Dissolved Oxygen Source Unknown | 30 Miles | 2008 | 5A | 2021
5 | Fresno Slough (from Graham Road to James Bypass, Fresno County) | Bay & Harbor | 55180000 / 18030012 | Chlorpyrifos Agriculture | 15 Acres | 2008 | 5A | 2021
| Unknown Toxicity Agriculture | 15 Acres | 2008 | 5A | 2021
5 | Gilsizer Slough (from Yuba City to downstream of Township Road, Sutter County) | River & Stream | 52030000 / 18020106 | Diazinon Agriculture | 11 Miles | 2008 | 5A | 2021
| Oxyfluorfen Agriculture | 11 Miles | 2008 | 5A | 2021
| pH Source Unknown | 11 Miles | 2008 | 5A | 2021
5 | Gold Run (Nevada County) | River & Stream | 51720012 / 18020126 | Mercury Resource Extraction | 1.9 Miles | 2008 | 5A | 2021
5 | Gordon Slough (from headwaters and Goodnow Slough to Adams Canal, Yolo County) | River & Stream | 51130012 / 18020110 | Oxygen, Dissolved Source Unknown | 7.6 Miles | 2008 | 5A | 2021
5 | Grasslands Marshes | Wetland, Freshwater | 54120000 / 18040001 | Electrical Conductivity Agriculture | 7962 Acres | 1998 | 5A | 2019
| Selenium Source Unknown | 7962 Acres | 1996 | 5B | 2000
5 | Grayson Drain (at outfall) | River & Stream | 54110000 / 18040002 | Escherichia coli (E. Coli) Source Unknown | 0.03 Miles | 2008 | 5A | 2021
| Sediment Toxicity Agriculture | 0.03 Miles | 2006 | 5A | 2019
| Unknown Toxicity Agriculture | 0.03 Miles | 2008 | 5A | 2021
5 | Hamilton Slough (from south of Thermalito Afterbay to south of Biggs, Butte County) | River & Stream | 52040000 / 18020106 | Unknown Toxicity Source Unknown | 7.9 Miles | 2008 | 5A | 2021
5 | Harding Drain | River & Stream | 53550000 / 18040002 | .alpha.-BHC (Benzenehexachloride) Agriculture | 8.3 Miles | 2008 | 5A | 2021
| Chlorpyrifos Agriculture | 8.3 Miles | 1998 | 5A | 2008
| DDE Source Unknown | 8.3 Miles | 2008 | 5A | 2021
| Escherichia coli (E. Coli) Source Unknown | 8.3 Miles | 2008 | 5A | 2021
| Hexachlorobenzene/ HCB Source Unknown | 8.3 Miles | 2008 | 5A | 2021
| Lindane/gamma Hexachlorocyclohexane (gamma-HCH) Agriculture | 8.3 Miles | 2008 | 5A | 2021
| Unknown Toxicity Agriculture | 8.3 Miles | 1998 | 5A | 2019
| This listing is for algal toxicity only.
5 | Hell Hole Reservoir | Lake & Reservoir | 51445013 / 18020128 | Mercury Source Unknown | 1370 Acres | 2008 | 5A | 2021
5 | Hensley Lake | Lake & Reservoir | 53932010 / 18040007 | Oxygen, Dissolved Source Unknown | 1669 Acres | 2008 | 5A | 2021
| pH Source Unknown | 1669 Acres | 2008 | 5A | 2021
5 | Highline Canal (from Mustang Creek to Lateral No 8, Merced and Stanislaus Counties) | River & Stream | 53560000 / 18040001 | Chlorpyrifos Agriculture | 14 Miles | 2008 | 5A | 2021
| Sediment Toxicity Source Unknown | 14 Miles | 2008 | 5A | 2021
| Simazine Agriculture | 14 Miles | 2008 | 5A | 2021
| Unknown Toxicity Agriculture | 14 Miles | 2008 | 5A | 2021
5 | Honcut Creek (Butte and Yuba Counties) | River & Stream | 51540000 / 18020106 | Oxygen, Dissolved Source Unknown | 10 Miles | 2008 | 5A | 2021
5 | Horse Creek (Rising Star Mine to Shasta Lake) | River & Stream | 50610000 / 18020005 | Cadmium Resource Extraction | 0.52 Miles | 1998 | 5A | 2020
| All resource extraction sources are abandoned mines.
| Copper Resource Extraction | 0.52 Miles | 1998 | 5A | 2020
| All resource extraction sources are abandoned mines.
| Lead Resource Extraction | 0.52 Miles | 1998 | 5A | 2020
| All resource extraction sources are abandoned mines.
| Zinc Resource Extraction | 0.52 Miles | 1998 | 5A | 2020
| All resource extraction sources are abandoned mines.
| pH Source Unknown | 0.52 Miles | 2008 | 5A | 2021
5 | Hospital Creek (San Joaquin and Stanislaus Counties) | River & Stream | 54110000 / 18040002 | DDE Agriculture | 20 Miles | 2008 | 5A | 2021
| DDT Agriculture | 20 Miles | 2008 | 5A | 2021
| Dieldrin Agriculture | 20 Miles | 2008 | 5A | 2021
| Dimethoate Agriculture | 20 Miles | 2008 | 5A | 2021
| Escherichia coli (E. Coli) Source Unknown | 20 Miles | 2008 | 5A | 2021
| Pyrethroids Agriculture | 20 Miles | 2008 | 5A | 2021
| Salinity Agriculture | 20 Miles | 2008 | 5A | 2021
| Sediment Toxicity Agriculture | 20 Miles | 2008 | 5A | 2021
| Trifluralin Agriculture | 20 Miles | 2008 | 5A | 2021
| Unknown Toxicity Agriculture | 20 Miles | 2008 | 5A | 2021
5 | Humbug Creek | River & Stream | 51732030 / 18020125 | Copper Resource Extraction | 2.2 Miles | 1992 | 5A | 2020
| All resource extraction sources are abandoned mines.
| Mercury Resource Extraction | 2.2 Miles | 1992 | 5A | 2021
| All resource extraction sources are abandoned mines.
| Sedimentation/Siltation Resource Extraction | 2.2 Miles | 1992 | 5A | 2012
| All resource extraction sources are abandoned mines.
| Zinc Resource Extraction | 2.2 Miles | 1992 | 5A | 2020
| All resource extraction sources are abandoned mines.
5 | Hume Lake | Lake & Reservoir | 55234281 / 18030010 | Oxygen, Dissolved Source Unknown | 87 Acres | 2008 | 5A | 2021
5 | Indian Valley Reservoir (Lake County) | Lake & Reservoir | 51340020 / 18020116 | Mercury Resource Extraction | 3469 Acres | 2008 | 5A | 2021
5 | Ingalsbe Slough (tributary to Merced River, Merced County) | River & Stream | 53560000 / 18040001 | Unknown Toxicity Source Unknown | 9.6 Miles | 2008 | 5A | 2021
5 | Ingram Creek (from confluence with Hospital Creek to Hwy 33 crossing) | River & Stream | 54110000 / 18040002 | Pyrethroids Agriculture | 2.8 Miles | 2006 | 5A | 2019
| The pyrethroids of concern for this listing are bifenthrin, lamdba cyhalothrin, efenvalerate/fedvalerate, and permethrin.
5 | Ingram Creek (from confluence with San Joaquin River to confluence with Hospital Creek) | River & Stream | 54110000 / 18040002 | Chlorpyrifos Agricultural Return Flows | 2.1 Miles | 2002 | 5A | 2008
| DDE Agriculture | 2.1 Miles | 2008 | 5A | 2021
| DDT Agriculture | 2.1 Miles | 2008 | 5A | 2021
| Diazinon Agricultural Return Flows | 2.1 Miles | 2002 | 5A | 2008
| Dieldrin Agriculture | 2.1 Miles | 2008 | 5A | 2021
| Dimethoate Agriculture | 2.1 Miles | 2008 | 5A | 2021
| Escherichia coli (E. Coli) Source Unknown | 2.1 Miles | 2008 | 5A | 2021
| Pyrethroids Agriculture | 2.1 Miles | 2006 | 5A | 2019
| The pyrethroids of concern for this listing are bifenthrin, lamdba cyhalothrin, efenvalerate/fedvalerate, and permethrin.
| Salinity Agriculture | 2.1 Miles | 2008 | 5A | 2021
| Sediment Toxicity Agriculture | 2.1 Miles | 2008 | 5A | 2021
| Unknown Toxicity Agriculture | 2.1 Miles | 2008 | 5A | 2021
5 | Isabella Lake | Lake & Reservoir | 55421010 / 18030003 | Oxygen, Dissolved Source Unknown | 7710 Acres | 2008 | 5A | 2021
| pH Source Unknown | 7710 Acres | 2008 | 5A | 2021
5 | Jack Slough | River & Stream | 51540000 / 18020106 | Diazinon Agriculture | 14 Miles | 2002 | 5A | 2008
| Unknown Toxicity Source Unknown | 14 Miles | 2008 | 5A | 2021
5 | James Creek | River & Stream | 51224010 / 18020117 | Mercury Resource Extraction | 6.3 Miles | 1992 | 5A | 2017
| Resource extraction sources are abandoned mines.
| Nickel Resource Extraction | 6.3 Miles | 1992 | 5A | 2020
| Resource extraction sources are abandoned mines.
5 | Kanaka Creek | River & Stream | 51742022 / 18020125 | Arsenic Resource Extraction | 9.7 Miles | 2002 | 5A | 2020
| All resource extraction sources are abandoned mines.
5 | Kaseberg Creek (tributary to Pleasant Grove Creek, Placer County) | River & Stream | 51922000 / 18020111 | Pyrethroids Urban Runoff/Storm Sewers | 6.4 Miles | 2008 | 5A | 2021
5 | Kaweah Lake | Lake & Reservoir | 55344010 / 18030007 | Mercury Resource Extraction | 1702 Acres | 2002 | 5A | 2019
5 | Kaweah River (below Terminus Dam, Tulare County) | River & Stream | 55810000 / 18030012 | Unknown Toxicity Source Unknown | 9.4 Miles | 2008 | 5A | 2021
| pH Source Unknown | 9.4 Miles | 2008 | 5A | 2021
5 | Kaweah River, Lower (includes St Johns River) | River & Stream | 55810000 / 18030012 | Unknown Toxicity Source Unknown | 27 Miles | 2008 | 5A | 2021
5 | Kellogg Creek (Los Vaqueros Reservoir to Discovery Bay; partly in Delta Waterways, western portion) | River & Stream | 54300031 / 18040003 | Escherichia coli (E. Coli) Source Unknown | 14 Miles | 2008 | 5A | 2021
| Oxygen, Dissolved Source Unknown | 14 Miles | 2008 | 5A | 2021
| Salinity Source Unknown | 14 Miles | 2008 | 5A | 2021
| Sediment Toxicity Source Unknown | 14 Miles | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 14 Miles | 2008 | 5A | 2021
5 | Kern River, Lower | River & Stream | 55890012 / 18030012 | pH Source Unknown | 105 Miles | 2008 | 5A | 2021
5 | Keswick Reservoir (portion downstream from Spring Creek) | Lake & Reservoir | 52440013 / 18020112 | Cadmium Resource Extraction | 135 Acres | 1990 | 5A | 2020
| Copper Resource Extraction | 135 Acres | 1990 | 5A | 2020
| Zinc Resource Extraction | 135 Acres | 1990 | 5A | 2020
5 | Kings River, Lower (Island Weir to Stinson and Empire Weirs) | River & Stream | 55190000 / 18030012 | Electrical Conductivity Agriculture | 36 Miles | 2002 | 5A | 2015
| Molybdenum Agriculture | 36 Miles | 2002 | 5A | 2015
| Toxaphene Agriculture | 36 Miles | 2002 | 5A | 2015
5 | Kings River, Lower (Pine Flat Reservoir to Island Weir) | River & Stream | 55180000 / 18030012 | Unknown Toxicity Source Unknown | 76 Miles | 2008 | 5A | 2021
5 | Knights Landing Ridge Cut (Yolo County) | River & Stream | 52021000 / 18020109 | Boron Source Unknown | 13 Miles | 2008 | 5A | 2021
| Oxygen, Dissolved Source Unknown | 13 Miles | 2008 | 5A | 2021
| Salinity Source Unknown | 13 Miles | 2008 | 5A | 2021
5 | Little Backbone Creek, Lower | River & Stream | 50620010 / 18020005 | Acid Mine Drainage Resource Extraction | 0.95 Miles | 1996 | 5A | 2020
| Cadmium Agriculture | 0.95 Miles | 1992 | 5A | 2020
| All resource extraction sources are abandoned mines.
| Copper Resource Extraction | 0.95 Miles | 1992 | 5A | 2020
| All resource extraction sources are abandoned mines.
| Zinc Resource Extraction | 0.95 Miles | 1992 | 5A | 2020
| All resource extraction sources are abandoned mines.
5 | Little Cow Creek (downstream from Afterthought Mine) | River & Stream | 50733023 / 18020118 | Cadmium Resource Extraction | 1.1 Miles | 1994 | 5A | 2020
| Resource extraction sources are abandoned mines.
| Copper Resource Extraction | 1.1 Miles | 1994 | 5A | 2020
| Resource extraction sources are abandoned mines.
| Zinc Resource Extraction | 1.1 Miles | 1994 | 5A | 2020
| Resource extraction sources are abandoned mines.
5 | Little Deer Creek | River & Stream | 51720012 / 18020126 | Mercury Resource Extraction | 4.1 Miles | 2006 | 5A | 2016
5 | Little Grizzly Creek | River & Stream | 51854031 / 18020122 | Copper Mill Tailings | 9.4 Miles | 1996 | 5A | 2021
| Zinc Mill Tailings | 9.4 Miles | 1996 | 5A | 2020
5 | Littlejohns Creek | River & Stream | 53140000 / 18040002 | Escherichia coli (E. Coli) Source Unknown | 68 Miles | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 68 Miles | 2008 | 5A | 2021
5 | Live Oak Slough | River & Stream | 52030000 / 18020106 | Diazinon Agriculture | 8.3 Miles | 2008 | 5A | 2021
| Oxyfluorfen Agriculture | 8.3 Miles | 2008 | 5A | 2021
| Oxygen, Dissolved Source Unknown | 8.3 Miles | 2008 | 5A | 2021
5 | Lone Tree Creek | River & Stream | 53140000 / 18040002 | Ammonia Dairies | 15 Miles | 1996 | 5A | 2020
| BOD, Biochemical oxygen demand Dairies | 15 Miles | 1996 | 5A | 2020
| Chlorpyrifos Agriculture | 15 Miles | 2008 | 5A | 2011
| Diuron Agriculture | 15 Miles | 2008 | 5A | 2021
| Escherichia coli (E. Coli) Source Unknown | 15 Miles | 2008 | 5A | 2021
| Sediment Toxicity Agriculture | 15 Miles | 2008 | 5A | 2021
| Unknown Toxicity Agriculture | 15 Miles | 2008 | 5A | 2021
5 | Los Banos Creek (below Los Banos Reservoir, Merced County) | River & Stream | 54120000 / 18040001 | Boron Source Unknown | 31 Miles | 2008 | 5A | 2021
| Escherichia coli (E. Coli) Source Unknown | 31 Miles | 2008 | 5A | 2021
| Oxygen, Dissolved Source Unknown | 31 Miles | 2008 | 5A | 2021
5 | Main Drainage Canal | River & Stream | 52040000 / 18020105 | Diazinon Agriculture | 9.2 Miles | 2006 | 5A | 2019
| Diuron Agriculture | 9.2 Miles | 2008 | 5A | 2021
| Oxygen, Dissolved Source Unknown | 9.2 Miles | 2008 | 5A | 2021
5 | Marsh Creek (Dunn Creek to Marsh Creek Reservoir) | River & Stream | 54300023 / 18040003 | Mercury Resource Extraction | 11 Miles | 2006 | 5A | 2015
| All resource extraction sources are abandoned mines.
| Metals Resource Extraction | 11 Miles | 1994 | 5A | 2020
| All resource extraction sources are abandoned mines.
5 | Marsh Creek (Marsh Creek Reservoir to San Joaquin River; partly in Delta Waterways, western portion) | River & Stream | 54400000 / 18040003 | Diazinon Agriculture Source Unknown Urban Runoff/Storm Sewers | 10 Miles | 2008 | 5B | 2007
| Escherichia coli (E. Coli) Source Unknown Urban Runoff/Storm Sewers | 10 Miles | 2008 | 5A | 2021
| Mercury Resource Extraction Source Unknown Urban Runoff/Storm Sewers | 10 Miles | 1994 | 5A | 2015
| All resource extraction sources are abandoned mines.
| Sediment Toxicity Agriculture Source Unknown Urban Runoff/Storm Sewers | 10 Miles | 2008 | 5A | 2021
| Unknown Toxicity Agriculture Source Unknown Urban Runoff/Storm Sewers | 10 Miles | 2008 | 5A | 2021
5 | Marsh Creek Reservoir | Lake & Reservoir | 54300023 / 18040003 | Mercury Resource Extraction | 278 Acres | 1988 | 5A | 2015
5 | McClure Reservoir (Mariposa County) | Lake & Reservoir | 53722000 / 18040008 | Mercury Resource Extraction | 5605 Acres | 2008 | 5A | 2021
5 | Mendota Pool | Wetland, Freshwater | 55120000 / 18030012 | Mercury Resource Extraction | 3045 Acres | 2008 | 5A | 2021
| Selenium Agricultural Return Flows Agriculture Groundwater Withdrawal Other | 3045 Acres | 2002 | 5A | 2019
| For 2006, selenium was moved by USEPA from the being addressed list back to the 303(d) list pending completion and USEPA approval of a TMDL.
5 | Merced River, Lower (McSwain Reservoir to San Joaquin River) | River & Stream | 53550000 / 18040001 | Chlorpyrifos Agriculture | 50 Miles | 1998 | 5A | 2008
| Diazinon Agriculture | 50 Miles | 1998 | 5A | 2008
| Escherichia coli (E. Coli) Source Unknown | 50 Miles | 2008 | 5A | 2021
| Group A Pesticides Agriculture | 50 Miles | 1996 | 5A | 2011
| Mercury Resource Extraction | 50 Miles | 2006 | 5A | 2019
| Temperature, water Source Unknown | 50 Miles | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 50 Miles | 2008 | 5A | 2021
5 | Middle River (in Delta Waterways, southern portion) | River & Stream | 54400000 / 18040003 | Low Dissolved Oxygen Hydromodification Source Unknown | 9.7 Miles | 2002 | 5A | 2019
5 | Mile Long Pond (Butte County) | Lake & Reservoir | 51540000 / 18020106 | Mercury Resource Extraction | 84 Acres | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 84 Acres | 2008 | 5A | 2021
5 | Miles Creek (Merced County) | River & Stream | 53580000 / 18040001 | Diuron Agriculture | 13 Miles | 2008 | 5A | 2021
5 | Mill Creek (Tulare County) | River & Stream | 55810000 / 18030012 | Unknown Toxicity Source Unknown | 27 Miles | 2008 | 5A | 2021
5 | Millerton Lake | Lake & Reservoir | 54012000 / 18040006 | Mercury Resource Extraction | 4366 Acres | 2008 | 5A | 2021
5 | Miners Ravine (Placer County) | River & Stream | 51424010 / 18020111 | Oxygen, Dissolved Source Unknown | 9.4 Miles | 2008 | 5A | 2021
5 | Mokelumne River, Lower (in Delta Waterways, eastern portion) | River & Stream | 54400000 / 18040005 | Chlorpyrifos Agriculture | 34 Miles | 2008 | 5A | 2021
| Copper Resource Extraction | 34 Miles | 1992 | 5A | 2020
| Mercury Resource Extraction | 34 Miles | 2008 | 5A | 2021
| Oxygen, Dissolved Source Unknown | 34 Miles | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 34 Miles | 2008 | 5A | 2021
| Zinc Resource Extraction | 34 Miles | 1992 | 5A | 2020
5 | Mormon Slough (Commerce Street to Stockton Deep Water Channel; partly in Delta Waterways, eastern portion) | River & Stream | 54400000 / 18040002 | Organic Enrichment/Low Dissolved Oxygen Urban Runoff/Storm Sewers | 0.93 Miles | 2002 | 5A | 2008
| Pathogens Recreational and Tourism Activities (non-boating) Urban Runoff/Storm Sewers | 0.93 Miles | 2002 | 5A | 2008
5 | Mormon Slough (Stockton Diverting Canal to Commerce Street) | River & Stream | 53130000 / 18040002 | Pathogens Recreational and Tourism Activities (non-boating) Urban Runoff/Storm Sewers | 5.2 Miles | 2002 | 5A | 2008
5 | Mormon Slough (from Stockton Diverting Canal to Bellota Weir--Calaveras River) | River & Stream | 53130000 / 18040002 | Chlorpyrifos Source Unknown | 11 Miles | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 11 Miles | 2008 | 5A | 2021
5 | Morrison Creek | River & Stream | 51911000 / 18020109 | Diazinon Agriculture | 26 Miles | 1998 | 5B | 2003
| Pentachlorophenol (PCP) Source Unknown | 26 Miles | 2008 | 5A | 2021
| Pyrethroids Agriculture Urban Runoff/Storm Sewers | 26 Miles | 2008 | 5A | 2021
5 | Morrison Slough | River & Stream | 52030000 / 18020106 | Diazinon Source Unknown | 13 Miles | 2008 | 5A | 2021
5 | Mosher Slough (downstream of I-5; in Delta Waterways, eastern portion) | River & Stream | 54400000 / 18040005 | Chlorpyrifos Urban Runoff/Storm Sewers | 1.3 Miles | 1998 | 5A | 2006
| Diazinon Agriculture Urban Runoff/Storm Sewers | 1.3 Miles | 1998 | 5A | 2006
| The agricultural source of diazinon for this waterbody is from aerial deposition.
| Mercury Source Unknown | 1.3 Miles | 2008 | 5A | 2021
| Organic Enrichment/Low Dissolved Oxygen Urban Runoff/Storm Sewers | 1.3 Miles | 2006 | 5A | 2008
| Pathogens Urban Runoff/Storm Sewers | 1.3 Miles | 2006 | 5A | 2008
5 | Mosher Slough (upstream of I-5; partly in Delta Waterways, eastern portion) | River & Stream | 54400000 / 18040005 | Pathogens Urban Runoff/Storm Sewers | 3.5 Miles | 2002 | 5A | 2008
5 | Mountain House Creek (from Altamont Pass to Old River, Alameda and San Joaquin Counties; partly in Delta Waterways, southern portion) | River & Stream | 54400000 / 18040003 | Chloride Source Unknown | 11 Miles | 2008 | 5A | 2021
| Salinity Source Unknown | 11 Miles | 2008 | 5A | 2021
5 | Mud Creek (Butte County) | River & Stream | 50420070 / 18020103 | Unknown Toxicity Source Unknown | 15 Miles | 2008 | 5A | 2021
5 | Mud Slough, North (downstream of San Luis Drain) | River & Stream | 54120000 / 18040001 | Boron Agriculture | 13 Miles | 2008 | 5A | 2019
| Electrical Conductivity Agriculture | 13 Miles |  | 5A | 2019
| Pesticides Agriculture | 13 Miles | 2008 | 5A | 2019
| Selenium Agriculture | 13 Miles | 2008 | 5B | 2002
| Unknown Toxicity Agriculture | 13 Miles | 2008 | 5A | 2021
5 | Mud Slough, North (upstream of San Luis Drain) | River & Stream | 54120000 / 18040001 | Boron Source Unknown | 22 Miles | 2008 | 5A | 2019
| Electrical Conductivity Source Unknown | 22 Miles |  | 5A | 2019
| Escherichia coli (E. Coli) Source Unknown | 22 Miles | 2008 | 5A | 2021
| Pesticides Agriculture | 22 Miles | 2008 | 5A | 2019
| Unknown Toxicity Source Unknown | 22 Miles | 2008 | 5A | 2021
5 | Mustang Creek (Merced County) | River & Stream | 53560000 / 18040002 | Chlorpyrifos Agriculture | 4.2 Miles | 2008 | 5A | 2021
| Cis-permethrin Agriculture | 4.2 Miles | 2008 | 5A | 2021
| Diazinon Agriculture | 4.2 Miles | 2008 | 5A | 2021
| Simazine Agriculture | 4.2 Miles | 2008 | 5A | 2021
5 | Natoma, Lake | Lake & Reservoir | 51921000 / 18020111 | Mercury Resource Extraction | 485 Acres | 2006 | 5A | 2019
5 | Natomas Cross Canal (Sutter County) | River & Stream | 51922000 / 18020109 | Mercury Resource Extraction | 5.8 Miles | 2008 | 5A | 2021
5 | Natomas East Main Drainage Canal (aka Steelhead Creek, downstream of confluence with Arcade Creek) | River & Stream | 51921000 / 18020109 | Diazinon Agriculture Urban Runoff/Storm Sewers | 3.5 Miles | 1996 | 5A | 2008
| .
| Mercury Source Unknown | 3.5 Miles | 2008 | 5A | 2021
| PCBs (Polychlorinated biphenyls) Agriculture Industrial Point Sources Urban Runoff/Storm Sewers | 3.5 Miles | 1996 | 5A | 2020
| The agricultural source is from aerial deposition.
5 | Natomas East Main Drainage Canal (aka Steelhead Creek, upstream of confluence with Arcade Creek) | River & Stream | 51921000 / 18020111 | PCBs (Polychlorinated biphenyls) Agriculture Industrial Point Sources Urban Runoff/Storm Sewers | 12 Miles | 1996 | 5A | 2019
5 | New Bullards Bar Reservoir | Lake & Reservoir | 51751011 / 18020125 | Mercury Resource Extraction | 3864 Acres | 2008 | 5A | 2021
5 | New Hogan Lake (Calaveras County) | Lake & Reservoir | 53310011 / 18040011 | Mercury Resource Extraction | 3180 Acres | 2008 | 5A | 2021
5 | New Melones Reservoir | Lake & Reservoir | 53421010 / 18040010 | Mercury Resource Extraction | 1654 Acres | 2008 | 5A | 2021
5 | Newman Wasteway | River & Stream | 54120000 / 18040001 | Boron Agriculture | 8.3 Miles | 2008 | 5A | 2021
| Chlorpyrifos Agriculture | 8.3 Miles | 2002 | 5A | 2008
| DDE Source Unknown | 8.3 Miles | 2008 | 5A | 2021
| Escherichia coli (E. Coli) Source Unknown | 8.3 Miles | 2008 | 5A | 2021
| Oxygen, Dissolved Source Unknown | 8.3 Miles | 2008 | 5A | 2021
| Salinity Source Unknown | 8.3 Miles | 2008 | 5A | 2021
| Simazine Agriculture | 8.3 Miles | 2008 | 5A | 2021
5 | Oak Run Creek | River & Stream | 50733000 / 18020101 | Fecal Coliform Agriculture Combined Sewer Overflow Grazing-Related Sources Natural Sources Pasture Grazing-Upland | 5.6 Miles | 2002 | 5A | 2012
5 | Old River (San Joaquin River to Delta-Mendota Canal; in Delta Waterways, southern portion) | River & Stream | 54400000 / 18040003 | Chlorpyrifos Source Unknown | 15 Miles | 2008 | 5A | 2021
| Low Dissolved Oxygen Hydromodification Source Unknown | 15 Miles | 2002 | 5A | 2019
| Salinity Source Unknown | 15 Miles | 2008 | 5A | 2021
5 | Orestimba Creek (above Kilburn Road) | River & Stream | 54110000 / 18040002 | Azinphos-methyl (Guthion) Agriculture | 9.1 Miles | 2002 | 5A | 2008
| Chlorpyrifos Agriculture | 9.1 Miles | 1998 | 5A | 2008
| DDE Agriculture | 9.1 Miles | 2002 | 5A | 2011
| DDT Agriculture | 9.1 Miles | 2008 | 5A | 2011
| Diazinon Agriculture | 9.1 Miles | 1998 | 5A | 2008
| Dieldrin Agriculture | 9.1 Miles | 2008 | 5A | 2011
| Dimethoate Agriculture | 9.1 Miles | 2008 | 5A | 2021
| Escherichia coli (E. Coli) Source Unknown | 9.1 Miles | 2008 | 5A | 2021
| Sediment Toxicity Agriculture | 9.1 Miles | 2008 | 5A | 2021
| Unknown Toxicity Agriculture | 9.1 Miles | 2008 | 5A | 2021
5 | Orestimba Creek (below Kilburn Road) | River & Stream | 54110000 / 18040002 | Azinphos-methyl (Guthion) Agriculture | 2.7 Miles | 2002 | 5A | 2008
| Chlorpyrifos Agriculture | 2.7 Miles | 1998 | 5B | 2006
| DDD Agriculture | 2.7 Miles | 2008 | 5A | 2011
| DDE Agriculture | 2.7 Miles | 2002 | 5A | 2011
| DDT Agriculture | 2.7 Miles | 2008 | 5A | 2011
| Diazinon Agriculture | 2.7 Miles | 1998 | 5A | 2008
| Dieldrin Agriculture | 2.7 Miles | 2008 | 5A | 2021
| Dimethoate Agriculture | 2.7 Miles | 2008 | 5A | 2021
| Diuron Agriculture | 2.7 Miles | 2008 | 5A | 2021
| Escherichia coli (E. Coli) Source Unknown | 2.7 Miles | 2008 | 5A | 2021
| Malathion Agriculture | 2.7 Miles | 2008 | 5A | 2021
| Sediment Toxicity Agriculture | 2.7 Miles | 2006 | 5A | 2019
| Unknown Toxicity Agriculture | 2.7 Miles | 1992 | 5A | 2019
5 | Oroville Wildlife Area Fishing Pond (Butte County) | Lake & Reservoir | 51540000 / 18020106 | Unknown Toxicity Source Unknown | 2.3 Acres | 2008 | 5A | 2021
5 | Oroville, Lake | Lake & Reservoir | 51812000 / 18020124 | Mercury Resource Extraction | 15400 Acres | 2008 | 5A | 2021
| PCBs (Polychlorinated biphenyls) Source Unknown | 15400 Acres | 2008 | 5A | 2021
5 | Outside Creek (Tulare County) | River & Stream | 55810000 / 18030012 | Unknown Toxicity Source Unknown | 15 Miles | 2008 | 5A | 2021
5 | Oxbow Reservoir (Ralston Afterbay, El Dorado and Placer Counties) | Lake & Reservoir | 51441010 / 18020128 | Mercury Resource Extraction | 65 Acres | 2008 | 5A | 2021
5 | Pacific Heights Pond, Lower (Butte County) | Lake & Reservoir | 51540000 / 18020106 | Unknown Toxicity Source Unknown | 10 Acres | 2008 | 5A | 2021
5 | Packwood Creek (Tulare County) | River & Stream | 55810000 / 18030012 | Unknown Toxicity Source Unknown | 19 Miles | 2008 | 5A | 2021
5 | Panoche Creek (Silver Creek to Belmont Avenue) | River & Stream | 55112000 / 18040001 | Mercury Resource Extraction | 18 Miles | 1992 | 5A | 2020
| All resource extraction sources are abandoned mines.
| Sediment Toxicity Source Unknown | 18 Miles | 2008 | 5A | 2021
| Sedimentation/Siltation Agriculture Agriculture-grazing Highway/Road/Bridge Construction Natural Sources Source Unknown | 18 Miles | 1996 | 5A | 2007
| Selenium Agriculture | 18 Miles | 1998 | 5A | 2019
5 | Pardee Reservoir | Lake & Reservoir | 53260091 / 18040005 | Mercury Resource Extraction | 2185 Acres | 2008 | 5A | 2021
5 | Pit River (from confluence of N and S forks to Shasta Lake) | River & Stream | 52661080 / 18020003 | Nutrients Agriculture Agriculture-grazing | 123 Miles | 1996 | 5A | 2013
| Organic Enrichment/Low Dissolved Oxygen Agriculture Agriculture-grazing | 123 Miles | 1996 | 5A | 2013
| Temperature, water Agriculture Agriculture-grazing | 123 Miles | 1996 | 5A | 2013
5 | Pit River, North Fork | River & Stream | 52652016 / 18020002 | pH Source Unknown | 21 Miles | 2008 | 5A | 2021
5 | Pit River, South Fork | River & Stream | 52652080 / 18020002 | Salinity Source Unknown | 34 Miles | 2008 | 5A | 2021
| pH Source Unknown | 34 Miles | 2008 | 5A | 2021
5 | Pixley Slough (San Joaquin County; partly in Delta Waterways, eastern portion) | River & Stream | 53120000 / 18040005 | Chlorpyrifos Source Unknown | 13 Miles | 2008 | 5A | 2021
| Diazinon Source Unknown | 13 Miles | 2008 | 5A | 2022
| Disulfoton Agriculture | 13 Miles | 2008 | 5A | 2021
| Escherichia coli (E. Coli) Source Unknown | 13 Miles | 2008 | 5A | 2021
| Oxygen, Dissolved Source Unknown | 13 Miles | 2008 | 5A | 2021
| Simazine Source Unknown | 13 Miles | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 13 Miles | 2008 | 5A | 2021
5 | Pleasant Grove Creek | River & Stream | 51922000 / 18020111 | Oxygen, Dissolved Source Unknown | 20 Miles | 2008 | 5A | 2021
| Pyrethroids Urban Runoff/Storm Sewers | 20 Miles | 2008 | 5A | 2021
| This listing is for Pleasant Grove Creek upstream of Fiddyment Road.
5 | Pleasant Grove Creek, South Branch | River & Stream | 51922000 / 18020111 | Oxygen, Dissolved Source Unknown | 7.3 Miles | 2008 | 5A | 2021
| Pyrethroids Urban Runoff/Storm Sewers | 7.3 Miles | 2008 | 5A | 2021
5 | Poso Slough | River & Stream | 54120000 / 18040001 | Sediment Toxicity Source Unknown | 14 Miles | 2008 | 5A | 2021
5 | Putah Creek (Solano Lake to Putah Creek Sinks; partly in Delta Waterways, northwestern portion) | River & Stream | 51120000 / 18020109 | Boron Source Unknown | 27 Miles | 2008 | 5A | 2021
| Mercury Resource Extraction Source Unknown | 27 Miles | 2002 | 5A | 2017
| All resource extraction sources are abandoned mines.
5 | Ramona Lake (Fresno County) | Lake & Reservoir | 54040018 / 18040006 | Dimethoate Agriculture | 28 Acres | 2008 | 5A | 2021
| Escherichia coli (E. Coli) Source Unknown | 28 Acres | 2008 | 5A | 2021
| Salinity Source Unknown | 28 Acres | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 28 Acres | 2008 | 5A | 2021
5 | Rattlesnake Creek (at confluence w Mokelumne River, N Fork) | River & Stream | 53260050 / 18040012 | Escherichia coli (E. Coli) Source Unknown | 0.9 Miles | 2008 | 5A | 2021
5 | Robinsons Riffle Pond (Butte County) | Lake & Reservoir | 51540000 / 18020106 | Mercury Resource Extraction | 7.9 Acres | 2008 | 5A | 2021
| PCBs (Polychlorinated biphenyls) Source Unknown | 7.9 Acres | 2008 | 5A | 2021
5 | Rollins Reservoir | Lake & Reservoir | 51634033 / 18020126 | Mercury Resource Extraction | 774 Acres | 2002 | 5A | 2016
5 | Rush Creek (Modoc County) | River & Stream | 52664031 / 18020002 | pH Source Unknown | 9.6 Miles | 2008 | 5A | 2021
5 | Sacramento River (Keswick Dam to Cottonwood Creek) | River & Stream | 52440014 / 18020102 | Unknown Toxicity Source Unknown | 15 Miles | 2002 | 5A | 2019
5 | Sacramento River ( Cottonwood Creek to Red Bluff) | River & Stream | 50810000 / 18020103 | Mercury Resource Extraction | 16 Miles | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 16 Miles | 2002 | 5A | 2019
5 | Sacramento River ( Red Bluff to Knights Landing) | River & Stream | 50420070 / 18020104 | DDT Agriculture | 82 Miles | 2008 | 5A | 2021
| Dieldrin Agriculture | 82 Miles | 2008 | 5A | 2021
| Mercury Resource Extraction | 82 Miles | 1992 | 5A | 2021
| PCBs (Polychlorinated biphenyls) Source Unknown | 82 Miles | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 82 Miles | 1992 | 5A | 2019
5 | Sacramento River (Knights Landing to the Delta) | River & Stream | 51000000 / 18020109 | Chlordane Agriculture | 16 Miles | 2008 | 5A | 2021
| DDT Agriculture | 16 Miles | 2008 | 5A | 2021
| Dieldrin Agriculture | 16 Miles | 2008 | 5A | 2022
| Mercury Resource Extraction | 16 Miles | 2002 | 5A | 2012
| All resource extraction sources are abandoned mines.
| PCBs (Polychlorinated biphenyls) Source Unknown | 16 Miles | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 16 Miles | 2002 | 5A | 2019
5 | Sacramento Slough | River & Stream | 51922000 / 18020106 | Chlorpyrifos Source Unknown | 1.7 Miles | 2008 | 5A | 2021
| Mercury Source Unknown | 1.7 Miles | 1998 | 5A | 2020
| Oxygen, Dissolved Source Unknown | 1.7 Miles | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 1.7 Miles | 2008 | 5A | 2021
| pH (low) Source Unknown | 1.7 Miles | 2008 | 5A | 2021
5 | Salado Creek (Stanislaus County) | River & Stream | 54210031 / 18040014 | Escherichia coli (E. Coli) Agriculture Urban Runoff/Storm Sewers | 9.4 Miles | 2008 | 5A | 2021
| Salinity Agriculture Urban Runoff/Storm Sewers | 9.4 Miles | 2008 | 5A | 2021
5 | Salt Slough (upstream from confluence with San Joaquin River) | River & Stream | 54120000 / 18040001 | Boron Agriculture | 9.9 Miles | 1996 | 5A | 2019
| Chlorpyrifos Agriculture | 9.9 Miles | 1998 | 5B | 2008
| Electrical Conductivity Agriculture | 9.9 Miles | 1998 | 5A | 2019
| Escherichia coli (E. Coli) Source Unknown | 9.9 Miles | 2008 | 5A | 2021
| Mercury Source Unknown | 9.9 Miles | 2008 | 5A | 2021
| Prometryn Agriculture | 9.9 Miles | 2008 | 5A | 2021
| Unknown Toxicity Agriculture | 9.9 Miles | 1996 | 5A | 2019
5 | San Carlos Creek (downstream of New Idria Mine) | River & Stream | 55911085 / 18040014 | Mercury Acid Mine Drainage Resource Extraction | 5.1 Miles | 1998 | 5A | 2020
| All resource extraction sources are abandoned mines.
5 | San Joaquin River ( Mendota Pool to Bear Creek) | River & Stream | 54110000 / 18040001 | Boron Agriculture | 88 Miles | 2002 | 5A | 2019
| Chlorpyrifos Agriculture | 88 Miles | 2002 | 5B | 2007
| DDT Agriculture | 88 Miles | 2002 | 5A | 2011
| Diazinon Agriculture | 88 Miles | 2002 | 5B | 2007
| Electrical Conductivity Agriculture | 88 Miles | 1998 | 5A | 2019
| Group A Pesticides Agriculture | 88 Miles | 2002 | 5A | 2011
| Unknown Toxicity Source Unknown | 88 Miles | 1994 | 5A | 2019
5 | San Joaquin River (Bear Creek to Mud Slough) | River & Stream | 54120000 / 18040001 | Arsenic Source Unknown | 14 Miles | 2008 | 5A | 2021
| Boron Agriculture | 14 Miles | 2006 | 5A | 2019
| Chlorpyrifos Agriculture | 14 Miles | 2006 | 5B | 2007
| DDT Agriculture | 14 Miles | 2006 | 5A | 2011
| Electrical Conductivity Agriculture | 14 Miles | 2006 | 5A | 2019
| Escherichia coli (E. Coli) Source Unknown | 14 Miles | 2008 | 5A | 2021
| Group A Pesticides Agriculture | 14 Miles | 2006 | 5A | 2011
| Mercury Resource Extraction | 14 Miles | 2006 | 5A | 2012
| Unknown Toxicity Source Unknown | 14 Miles | 2006 | 5A | 2019
5 | San Joaquin River ( Mud Slough to Merced River) | River & Stream | 54110000 / 18040001 | Boron Agriculture | 3 Miles | 1996 | 5A | 2019
| Chlorpyrifos Agriculture | 3 Miles | 2006 | 5B | 2007
| DDT Agriculture | 3 Miles | 2006 | 5A | 2011
| Diazinon Agriculture | 3 Miles | 2006 | 5B | 2007
| Electrical Conductivity Agriculture | 3 Miles | 2006 | 5A | 2019
| Escherichia coli (E. Coli) Source Unknown | 3 Miles | 2008 | 5A | 2022
| Group A Pesticides Agriculture | 3 Miles | 2006 | 5A | 2011
| Mercury Resource Extraction | 3 Miles | 2006 | 5A | 2012
| Selenium Agriculture | 3 Miles | 2006 | 5B | 2002
| Unknown Toxicity Source Unknown | 3 Miles | 2006 | 5A | 2019
5 | San Joaquin River ( Merced River to Tuolumne River) | River & Stream | 54110000 / 18040001 | .alpha.-BHC (Benzenehexachloride) Source Unknown | 29 Miles | 2008 | 5A | 2022
| Boron Agriculture | 29 Miles | 2002 | 5B | 2007
| Chlorpyrifos Agriculture | 29 Miles | 2006 | 5B | 2007
| DDE Agriculture | 29 Miles | 2008 | 5A | 2011
| DDT Agriculture | 29 Miles | 2002 | 5A | 2011
| Electrical Conductivity Agriculture | 29 Miles | 1998 | 5A | 2007
| Group A Pesticides Agriculture | 29 Miles | 2002 | 5A | 2011
| Mercury Resource Extraction | 29 Miles | 2006 | 5A | 2012
| Temperature, water Source Unknown | 29 Miles | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 29 Miles | 2002 | 5A | 2019
5 | San Joaquin River ( Tuolumne River to Stanislaus River) | River & Stream | 53530000 / 18040002 | Chlorpyrifos Agriculture | 8.4 Miles | 2006 | 5B | 2007
| DDT Agriculture | 8.4 Miles | 2006 | 5A | 2011
| Diazinon Agriculture | 8.4 Miles | 2006 | 5B | 2007
| Electrical Conductivity Agriculture | 8.4 Miles | 1998 | 5A | 2007
| Group A Pesticides Agriculture | 8.4 Miles | 1994 | 5A | 2011
| Mercury Resource Extraction | 8.4 Miles | 2006 | 5A | 2012
| Temperature, water Source Unknown | 8.4 Miles | 2008 | 5A | 2021
| Unknown Toxicity Agriculture | 8.4 Miles | 1994 | 5A | 2019
5 | San Joaquin River (Friant Dam to Mendota Pool) | River & Stream | 54510000 / 18040006 | Invasive Species Source Unknown | 70 Miles | 2006 | 5A | 2019
5 | San Joaquin River (Stanislaus River to Delta Boundary) | River & Stream | 54400000 / 18040002 | Chlorpyrifos Agriculture | 3 Miles | 2006 | 5B | 2007
| DDE Agriculture | 3 Miles | 2008 | 5A | 2011
| DDT Agriculture | 3 Miles | 2006 | 5A | 2011
| Diuron Agriculture | 3 Miles | 2008 | 5A | 2021
| Escherichia coli (E. Coli) Source Unknown | 3 Miles | 2008 | 5A | 2021
| Group A Pesticides Agriculture | 3 Miles | 2006 | 5A | 2011
| Mercury Resource Extraction | 3 Miles | 2006 | 5A | 2012
| Temperature, water Source Unknown | 3 Miles | 2008 | 5A | 2021
| Toxaphene Source Unknown | 3 Miles | 2006 | 5A | 2019
| Unknown Toxicity Agriculture | 3 Miles | 2006 | 5A | 2019
5 | Sand Creek (Colusa County) | River & Stream | 52021000 / 18020104 | Oxygen, Dissolved Source Unknown | 20 Miles | 2008 | 5A | 2021
5 | Sand Creek (tributary to Marsh Creek, Contra Costa County; partly in Delta Waterways, western portion) | River & Stream | 54300011 / 18040003 | Chlorpyrifos Source Unknown | 10 Miles | 2008 | 5A | 2021
| DDE Source Unknown | 10 Miles | 2008 | 5A | 2021
| DDT Source Unknown | 10 Miles | 2008 | 5A | 2021
| Dieldrin Source Unknown | 10 Miles | 2008 | 5A | 2021
| Escherichia coli (E. Coli) Source Unknown | 10 Miles | 2008 | 5A | 2021
| Salinity Source Unknown | 10 Miles | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 10 Miles | 2008 | 5A | 2021
5 | Scotts Flat Reservoir | Lake & Reservoir | 51720011 / 18020125 | Mercury Resource Extraction | 660 Acres | 2002 | 5A | 2016
5 | Shasta Lake | Lake & Reservoir | 50610000 / 18020005 | Mercury Resource Extraction | 27335 Acres | 2008 | 5A | 2021
5 | Shasta Lake (area where West Squaw Creek enters) | Lake & Reservoir | 50620010 / 18020005 | Cadmium Resource Extraction | 20 Acres | 1990 | 5A | 2020
| Copper Resource Extraction | 20 Acres | 1990 | 5A | 2020
| Zinc Resource Extraction | 20 Acres | 1990 | 5A | 2020
5 | Simmerly Slough (Yuba County) | River & Stream | 51540000 / 18020106 | Unknown Toxicity Source Unknown | 5.5 Miles | 2008 | 5A | 2021
5 | Slab Creek Reservoir (El Dorado County) | Lake & Reservoir | 51432013 / 18020129 | Mercury Resource Extraction | 242 Acres | 2008 | 5A | 2021
5 | Smith Canal (in Delta Waterways, eastern portion) | River & Stream | 54400000 / 18040003 | Organic Enrichment/Low Dissolved Oxygen Urban Runoff/Storm Sewers | 2.4 Miles | 2002 | 5A | 2008
| Organophosphorus Pesticides Urban Runoff/Storm Sewers | 2.4 Miles | 2002 | 5A | 2006
| Pathogens Recreational and Tourism Activities (non-boating) Urban Runoff/Storm Sewers | 2.4 Miles | 2002 | 5A | 2008
5 | Solano, Lake | Lake & Reservoir | 51120000 / 18020109 | Mercury Resource Extraction | 15 Acres | 2008 | 5A | 2017
5 | South Cow Creek | River & Stream | 50731000 / 18020118 | Fecal Coliform Agriculture Grazing-Related Sources Other | 7.9 Miles | 2002 | 5A | 2012
5 | Spring Creek (Colusa County) | River & Stream | 56120020 / 18020104 | Aldicarb Source Unknown | 13 Miles | 2008 | 5A | 2021
| Chlorpyrifos Source Unknown | 13 Miles | 2008 | 5A | 2021
| Diazinon Source Unknown | 13 Miles | 2008 | 5A | 2021
| Oxygen, Dissolved Source Unknown | 13 Miles | 2008 | 5A | 2021
| Salinity Source Unknown | 13 Miles | 2008 | 5A | 2021
| Sediment Toxicity Source Unknown | 13 Miles | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 13 Miles | 2008 | 5A | 2021
5 | Spring Creek, Lower (Iron Mountain Mine to Keswick Reservoir) | River & Stream | 52440010 / 18020112 | Acid Mine Drainage Resource Extraction | 2.6 Miles | 1996 | 5A | 2020
| All resource extraction sources are abandoned mines.
| Cadmium Resource Extraction | 2.6 Miles | 1996 | 5A | 2020
| All resource extraction sources are abandoned mines.
| Copper Resource Extraction | 2.6 Miles | 1996 | 5A | 2020
| All resource extraction sources are abandoned mines.
| Zinc Resource Extraction | 2.6 Miles | 1996 | 5A | 2020
| All resource extraction sources are abandoned mines.
5 | Stanislaus River, Lower | River & Stream | 53530000 / 18040002 | Chlorpyrifos Agriculture | 59 Miles | 2008 | 5A | 2021
| Diazinon Agriculture | 59 Miles | 1998 | 5A | 2008
| Group A Pesticides Agriculture | 59 Miles | 1998 | 5A | 2011
| Mercury Resource Extraction | 59 Miles | 2002 | 5A | 2020
| Temperature, water Source Unknown | 59 Miles | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 59 Miles | 1998 | 5A | 2019
5 | Stone Corral Creek | River & Stream | 56130030 / 18020104 | Oxygen, Dissolved Source Unknown | 22 Miles | 2008 | 5A | 2021
5 | Stony Creek | River & Stream | 52021000 / 18020115 | Chlorpyrifos Source Unknown | 42 Miles | 2008 | 5A | 2021
| Diuron Source Unknown | 42 Miles | 2008 | 5A | 2021
| Sediment Toxicity Source Unknown | 42 Miles | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 42 Miles | 2008 | 5A | 2021
| pH Source Unknown | 42 Miles | 2008 | 5A | 2021
5 | Stony Gorge Reservoir | Lake & Reservoir | 52222000 / 18020115 | Mercury Source Unknown | 1411 Acres | 2008 | 5A | 2021
5 | Strong Ranch Slough | River & Stream | 51921000 / 18020111 | Chlorpyrifos Urban Runoff/Storm Sewers | 6.4 Miles | 1998 | 5B | 2004
| Diazinon Agriculture Urban Runoff/Storm Sewers | 6.4 Miles | 1998 | 5B | 2004
| The agricultural source of diazinon for these waterbodies is from aerial deposition.
| Pyrethroids Urban Runoff/Storm Sewers | 6.4 Miles | 2008 | 5A | 2021
5 | Success Lake | Lake & Reservoir | 55512058 / 18030012 | pH Source Unknown | 2486 Acres | 2008 | 5A | 2021
5 | Sucker Run (Butte County) | River & Stream | 51822023 / 18020123 | Unknown Toxicity Source Unknown | 11 Miles | 2008 | 5A | 2021
5 | Sullivan Creek (from Phoenix Reservoir to Don Pedro Lake, Tuolumne County) | River & Stream | 53631022 / 18040009 | Escherichia coli (E. Coli) Source Unknown | 11 Miles | 2008 | 5A | 2021
5 | Sulphur Creek (Colusa County) | River & Stream | 51320024 / 18020116 | Mercury Resource Extraction | 14 Miles | 1996 | 5A | 2009
| All resource extraction sources are abandoned mines.
5 | Sutter Bypass | River & Stream | 52030000 / 18020109 | Mercury Resource Extraction | 19 Miles | 2008 | 5A | 2021
5 | Sycamore Slough (Yolo County) | River & Stream | 52010000 / 18020104 | Oxygen, Dissolved Source Unknown | 17 Miles | 2008 | 5A | 2021
5 | Temple Creek | River & Stream | 53140000 / 18040002 | Ammonia Dairies | 10 Miles | 1996 | 5A | 2020
| Electrical Conductivity Dairies | 10 Miles | 1996 | 5A | 2020
5 | Thermalito Afterbay | Lake & Reservoir | 51540000 / 18020106 | Mercury Resource Extraction | 3863 Acres | 2008 | 5A | 2021
| PCBs (Polychlorinated biphenyls) Source Unknown | 3863 Acres | 2008 | 5A | 2021
5 | Thermalito Forebay | Lake & Reservoir | 51540000 / 18020106 | PCBs (Polychlorinated biphenyls) Source Unknown | 538 Acres | 2008 | 5A | 2021
5 | Tom Paine Slough (in Delta Waterways, southern portion) | River & Stream | 54400000 / 18040003 | Chloride Source Unknown | 14 Miles | 2008 | 5A | 2021
| Oxygen, Dissolved Source Unknown | 14 Miles | 2008 | 5A | 2021
| Salinity Source Unknown | 14 Miles | 2008 | 5A | 2021
5 | Town Creek | River & Stream | 50620010 / 18020005 | Cadmium Resource Extraction | 0.98 Miles | 1996 | 5A | 2020
| All resource extraction sources are abandoned mines.
| Copper Resource Extraction | 0.98 Miles | 1996 | 5A | 2020
| All resource extraction sources are abandoned mines.
| Lead Resource Extraction | 0.98 Miles | 1996 | 5A | 2020
| All resource extraction sources are abandoned mines.
| Zinc Resource Extraction | 0.98 Miles | 1996 | 5A | 2020
| All resource extraction sources are abandoned mines.
5 | Tule Canal (Yolo County) | River & Stream | 51120000 / 18020109 | Boron Agriculture Natural Sources | 11 Miles | 2008 | 5A | 2021
| Escherichia coli (E. Coli) Agriculture Nonpoint Source Source Unknown | 11 Miles | 2008 | 5A | 2021
| Fecal Coliform Agriculture Source Unknown | 11 Miles | 2008 | 5A | 2021
| Salinity Agriculture | 11 Miles | 2008 | 5A | 2021
5 | Tuolumne River, Lower (Don Pedro Reservoir to San Joaquin River) | River & Stream | 53550000 / 18040002 | Chlorpyrifos Agriculture | 60 Miles | 2008 | 5A | 2021
| Diazinon Agriculture | 60 Miles | 2002 | 5A | 2010
| Group A Pesticides Agriculture | 60 Miles | 2006 | 5A | 2011
| Mercury Resource Extraction | 60 Miles | 2008 | 5A | 2021
| Temperature, water Source Unknown | 60 Miles | 2008 | 5A | 2021
| Unknown Toxicity Source Unknown | 60 Miles | 2006 | 5A | 2022
5 | Turner Slough (Merced County) | River & Stream | 53570000 / 18040001 | Escherichia coli (E. Coli) Agriculture | 3.1 Miles | 2008 | 5A | 2021
5 | Ulatis Creek (Solano County) | River & Stream | 51110000 / 18020109 | Chlorpyrifos Agriculture | 17 Miles | 2008 | 5A | 2021
| Diazinon Agriculture | 17 Miles | 2008 | 5A | 2021
5 | Wadsworth Canal | River & Stream | 52030000 / 18020106 | Chlorpyrifos Agriculture | 16 Miles | 2008 | 5A | 2021
| Diazinon Agriculture | 16 Miles | 2006 | 5A | 2021
5 | West Squaw Creek (below Balaklala Mine) | River & Stream | 50620010 / 18020005 | Cadmium Resource Extraction | 2 Miles | 2006 | 5A | 2020
| All resource extraction sources are abandoned mines.
| Copper Resource Extraction | 2 Miles | 2006 | 5A | 2020
| All resource extraction sources are abandoned mines.
| Lead Resource Extraction | 2 Miles | 2006 | 5A | 2019
| All resource extraction sources are abandoned mines.
| Zinc Resource Extraction | 2 Miles | 2006 | 5A | 2019
| All resource extraction sources are abandoned mines.
5 | Westley Wasteway (Stanislaus County) | Lake & Reservoir | 54110000 / 18040002 | Chlorpyrifos Agriculture | 4 Acres | 2008 | 5A | 2021
| Dimethoate Agriculture | 4 Acres | 2008 | 5A | 2021
| Escherichia coli (E. Coli) Agriculture | 4 Acres | 2008 | 5A | 2021
| Sediment Toxicity Agriculture | 4 Acres | 2008 | 5A | 2021
5 | Whiskeytown Lake (areas near Oak Bottom, Brandy Creek Campgrounds and Whiskeytown) | Lake & Reservoir | 52463010 / 18020112 | Mercury Resource Extraction | 98 Acres | 2008 | 5A | 2021
5 | Wildwood, Lake (Nevada County) | Lake & Reservoir | 51720020 / 18020125 | Mercury Resource Extraction | 289 Acres | 2008 | 5A | 2021
5 | Willow Creek (Lassen County, Central Valley) | River & Stream | 52661072 / 18020002 | Escherichia coli (E. Coli) Source Unknown | 23 Miles | 2008 | 5A | 2021
| pH Source Unknown | 23 Miles | 2008 | 5A | 2021
5 | Willow Creek (Madera County) | River & Stream | 54021051 / 18040006 | Temperature, water Source Unknown | 6.2 Miles | 2006 | 5A | 2019
5 | Willow Creek (Shasta County, below Greenhorn Mine to Clear Creek) | River & Stream | 52463010 / 18020112 | Acid Mine Drainage Resource Extraction | 4 Miles | 1998 | 5A | 2019
| All resource extraction sources are abandoned mines.
| Copper Resource Extraction | 4 Miles | 1998 | 5A | 2019
| All resource extraction sources are abandoned mines.
| Zinc Resource Extraction | 4 Miles | 1998 | 5A | 2019
| All resource extraction sources are abandoned mines.
5 | Willow Slough (Yolo County) | River & Stream | 51120000 / 18020109 | Boron Agriculture Natural Sources | 10 Miles | 2008 | 5A | 2021
5 | Willow Slough Bypass (Yolo County) | River & Stream | 51120000 / 18020109 | Boron Agriculture Natural Sources | 6.2 Miles | 2008 | 5A | 2021
| Escherichia coli (E. Coli) Agriculture Source Unknown | 6.2 Miles | 2008 | 5A | 2021
| Fecal Coliform Source Unknown | 6.2 Miles | 2008 | 5A | 2021
5 | Winters Canal (Yolo County) | River & Stream | 51120000 / 18020109 | Diazinon Agriculture | 15 Miles | 2008 | 5A | 2021
5 | Wolf Creek (Nevada) | River & Stream | 51632010 / 18020126 | Fecal Coliform Source Unknown | 23 Miles | 2002 | 5A | 2019
5 | Woods Creek (Tuolumne County) | River & Stream | 53631041 / 18040009 | Escherichia coli (E. Coli) Source Unknown | 15 Miles | 2008 | 5A | 2021
5 | Yankee Slough (Placer and Sutter Counties) | River & Stream | 51510000 / 18020108 | Chlorpyrifos Agriculture | 13 Miles | 2008 | 5A | 2021
| Unknown Toxicity Agriculture Source Unknown | 13 Miles | 2008 | 5A | 2021
5 | Yuba River, Lower | River & Stream | 51530000 / 18020106 | Mercury Resource Extraction | 10 Miles | 2008 | 5A | 2021
5 | Yuba River, Middle Fork | River & Stream | 51751011 / 18020125 | Mercury Resource Extraction | 45 Miles | 2008 | 5A | 2021
| This listing is from Bear Creek to the North Yuba River.
5 | Yuba River, North Fork | River & Stream | 51751011 / 18020125 | Mercury Resource Extraction | 37 Miles | 2008 | 5A | 2021
| This listing is from New Bullards Bar Reservoir dam to Lake Englebright.
5 | Yuba River, South Fork (Spaulding Reservoir to Englebright Reservoir) | River & Stream | 51732031 / 18020126 | Mercury Resource Extraction | 48 Miles | 2008 | 5A | 2021
| This listing is from Rucker Creek to Lake Englebright.
| Temperature, water Source Unknown | 48 Miles | 2008 | 5A | 2021