California
303d streams
listed by Watershed

Central Valley Region

Reg Type Water Body Name Hydro Unit TMDL Priority Size Unit Targeted* for TMDL Pollutant or Stressor Probable Sources Start Date End Date
5 E Delta Waterways 544.00 Medium 48000 A N "Diazinon, Chlorpyrifos" "Agriculture, Urban Runoff/Storm Sewers"    
5 E Delta Waterways 544.00 Low 48000 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 48000 A N Mercury Resource Extraction    
5 E Delta Waterways 544.00 Medium 16000 A N Salt Agriculture    
5 E Delta Waterways 544.00 Medium 48000 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 20700 A N Mercury Resource Extraction    
5 L Clear Lake 513.52 Low 43000 A N Mercury Resource Extraction    
5 L Clear Lake 513.52 Low 43000 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