California Water Quality Assessment Report

Assessed Waters of California by Watershed

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Display impaired waters and TMDL information only



Site-specific Targeted Monitoring Summary Results

California (2012)

Description of this table
 
    5,983.4 21,839.6 .4 81.3 61.9 3.1
       23.5
   
                                    
                                    
                                    
                                    
    60,967.6 809,374.7 894.9 117.8 41.9 133,205.6
           20,384.9     151,994.5     2.6     25.7          
           55.0     88,207.0     .3               
                                    
           40,527.7     569,173.2     892.0     92.2     41.9     133,205.6
              176.9     955.3     1.3     34.6     .0     289.2
                    40,350.8           568,217.9           890.7           57.5           41.9           132,916.4
66,951.0 831,214.3 895.4 199.2 103.8 133,208.7
211,513.0 2,086,230.0 2,139.0 Unavailable Unavailable 357,064.0
31.7 39.8 41.9 Unavailable Unavailable 37.3

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Summary of Water Quality Assessments for Each Waterbody Type
for Reporting Year 2012


Site-specific Targeted Monitoring Results

California Rivers and Streams 2012

Description of this table

All
Rivers and Streams

211,513.0 Miles of Rivers and Streams

Assessed 66,951.0
Unassessed 144,562.0
Total Miles 211,513.0







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Description of this table

Assessed
Rivers and Streams

66,951.0 Miles of
Assessed Rivers and Streams

Good 5,983.4
Threatened .0
Impaired 60,967.6
Total Miles Assessed 66,951.0







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Description of this table

Threatened and Impaired
Rivers and Streams

60,967.6 Miles of
Threatened and Impaired
Rivers and Streams

20,561.8
55.0
.0
40,350.8
Total Threatened and Impaired 60,967.6

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
California Rivers and Streams 2012

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Description of this table
% Good
% Threatened
% Impaired
Agricultural Supply 2,854.6 44.5 .0 55.5 color.gifcolor.gif
Cold Freshwater Habitat 58,840.6 7.9 .0 92.1 color.gifcolor.gif
Commercial And Sport Fishing 22,028.7 83.3 .0 16.7 color.gifcolor.gif
Estuarine Habitat 28.5 .0 .0 100.0 color.gif
Freshwater Replenishment 124.0 100.0 .0 .0 color.gif
Ground Water Recharge 63.8 39.9 .0 60.1 color.gifcolor.gif
Industrial Service Supply 6.4 .0 .0 100.0 color.gif
Inland Saline Water Habitat 135.4 .0 .0 100.0 color.gif
Limited Warm Freshwater Habitat 9.6 100.0 .0 .0 color.gif
Migration Of Aquatic Organisms 216.4 .0 .0 100.0 color.gif
Municipal And Domestic Supply 49,512.8 65.0 .0 35.0 color.gifcolor.gif
Non-Contact Water Recreation 2,306.9 44.4 .0 55.6 color.gifcolor.gif
Rare, Threatened, Or Endangered Species 1,279.2 97.9 .0 2.1 color.gifcolor.gif
Shellfish Harvesting 37.8 37.4 .0 62.6 color.gifcolor.gif
Spawning, Reproduction, And/Or Early Development 3,373.5 76.9 .0 23.1 color.gifcolor.gif
Warm Freshwater Habitat 18,177.3 64.8 .0 35.2 color.gifcolor.gif
Water Contact Recreation 21,092.2 48.1 .0 51.9 color.gifcolor.gif
Wildlife Habitat 470.2 29.0 .0 71.0 color.gifcolor.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
California Rivers and Streams 2012

Description of this table
Temperature, Water Temperature color.gif 41,843.8
Sedimentation/Siltation Sediment color.gif 38,338.1
Aluminum Metals (other than Mercury) color.gif 15,526.6
Organic Enrichment/Low Dissolved Oxygen Organic Enrichment/Oxygen Depletion color.gif 9,304.5
Nutrients Nutrients color.gif 8,922.9
Cyanobacteria Hepatotoxic Microcystins Biotoxins color.gif 6,389.6
Sediment Sediment color.gif 6,386.6
Dissolved Oxygen Organic Enrichment/Oxygen Depletion color.gif 5,200.6
pH pH/Acidity/Caustic Conditions color.gif 3,623.2
Mercury Mercury color.gif 2,608.4
Biostimulatory Conditions Nutrients color.gif 2,443.7
Turbidity Turbidity color.gif 2,397.5
Unknown Toxicity Total Toxics color.gif 2,325.1
Diazinon Pesticides color.gif 1,962.3
DDT Pesticides color.gif 1,839.9
Polychlorinated Biphenyls (PCBs) Polychlorinated Biphenyls (PCBs) color.gif 1,784.5
Dieldrin Pesticides color.gif 1,770.0
Selenium Metals (other than Mercury) color.gif 1,768.7
Toxaphene Pesticides color.gif 1,605.9
Escherichia Coli (E. Coli) Pathogens color.gif 1,605.2
Chlorpyrifos Pesticides color.gif 1,576.1
Chlordane Pesticides color.gif 1,516.0
Indicator Bacteria Pathogens color.gif 1,471.5
Fecal Coliform Pathogens color.gif 1,433.8
Chloride Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 1,023.8
Toxicity Total Toxics color.gif 859.4
Boron Toxic Inorganics color.gif 836.8
pH, High pH/Acidity/Caustic Conditions color.gif 687.7
Total Dissolved Solids (TDS) Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 665.2
Sodium Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 618.5
Sediment Toxicity Total Toxics color.gif 545.0
Trash Trash color.gif 512.8
Conductivity Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 467.9
Phosphorus Nutrients color.gif 439.7
Copper Metals (other than Mercury) color.gif 434.7
Pathogens Pathogens color.gif 416.0
Group A Pesticides Pesticides color.gif 405.3
Nitrate Nutrients color.gif 392.7
Enterococcus Bacteria Pathogens color.gif 290.3
Coliforms Pathogens color.gif 268.9
Sulfates Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 260.4
Total Nitrogen as N Nutrients color.gif 254.3
Specific Conductivity Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 248.9
Ammonia Ammonia color.gif 215.9
Lead Metals (other than Mercury) color.gif 215.4
Pesticides Pesticides color.gif 188.1
Salinity Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 166.3
Arsenic Metals (other than Mercury) color.gif 161.0
Nitrogen Nutrients color.gif 160.9
Invasive Exotic Species Nuisance Exotic Species color.gif 158.7
Iron Metals (other than Mercury) color.gif 155.8
Manganese Metals (other than Mercury) color.gif 147.3
Ammonia, Un-ionized Ammonia color.gif 143.4
Pyrethroids Pesticides color.gif 142.5
Malathion Pesticides color.gif 120.8
DDE Pesticides color.gif 112.6
Diuron Pesticides color.gif 106.0
Zinc Metals (other than Mercury) color.gif 99.8
Nitrogen, Ammonia (Total Ammonia) Nutrients color.gif 89.9
Benthic Macroinvertebrates Bioassessments Cause Unknown - Impaired Biota color.gif 75.5
Hexachlorobenzene Pesticides color.gif 73.4
Bifenthrin Pesticides color.gif 71.6
Chema Other Cause color.gif 66.3
DDD Pesticides color.gif 65.8
Nutrients - Algae Algal Growth color.gif 65.5
Cypermethrin Pesticides color.gif 65.1
Naphthalene Pesticides color.gif 65.1
Cadmium Metals (other than Mercury) color.gif 62.9
Guthion(Azinphos-Methyl) Pesticides color.gif 61.1
Dimethoate Pesticides color.gif 55.4
Nitrate/Nitrite (Nitrite + Nitrate as N) Nutrients color.gif 52.8
Endosulfan Pesticides color.gif 52.5
Endrin Pesticides color.gif 51.0
Carbofuran Pesticides color.gif 49.3
Chlorophyll-A Algal Growth color.gif 48.6
DDT in Tissue Pesticides color.gif 44.1
Cyanide Toxic Inorganics color.gif 40.2
Chlordane in Fish Tissue Pesticides color.gif 39.1
Alpha-BHC Pesticides color.gif 37.3
Metals Metals (other than Mercury) color.gif 36.5
Molybdenum Metals (other than Mercury) color.gif 35.9
Nitrate as Nitrate (NO3) Nutrients color.gif 34.4
DDT in Tissue and Sediment Pesticides color.gif 30.0
Scum/Foam, Unnatural Other Cause color.gif 29.9
Pentachlorophenol (PCP) Toxic Organics color.gif 28.0
Simazine Pesticides color.gif 27.0
Phosphate Nutrients color.gif 26.0
Fish Barriers Habitat Alterations color.gif 26.0
Water Diversion Flow Alteration(s) color.gif 22.0
Pumping Flow Alteration(s) color.gif 22.0
Salinity/Total Dissolved Solids/Chlorides Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 21.1
Oil Oil and Grease color.gif 20.7
Algae Algal Growth color.gif 20.1
Trifluralin Pesticides color.gif 20.0
PCB(s) in Fish Tissue Polychlorinated Biphenyls (PCBs) color.gif 19.4
Oxyfluorfen Pesticides color.gif 19.3
Fluoride Toxic Inorganics color.gif 18.3
Nitrogen, Nitrite Nutrients color.gif 17.3
Organophosphorus Pesticides Pesticides color.gif 16.3
Ammonia Nitrogen Ammonia color.gif 16.0
DDT in Sediment Pesticides color.gif 15.3
Biochemical Oxygen Demand (BOD) Organic Enrichment/Oxygen Depletion color.gif 14.8
Nutrient/Eutrophication Biological Indicators Nutrients color.gif 14.5
Dieldrin in Tissue Pesticides color.gif 13.2
Aldicarb Pesticides color.gif 13.0
Disulfoton Pesticides color.gif 13.0
Nickel Metals (other than Mercury) color.gif 12.0
pH, Low pH/Acidity/Caustic Conditions color.gif 10.1
Lindane Pesticides color.gif 10.0
Prometryn Pesticides color.gif 9.9
Priority Organics Compounds Toxic Organics color.gif 9.2
Dichlorvos Pesticides color.gif 8.9
Acid Mine Drainage Other Cause color.gif 7.6
Total Coliform Pathogens color.gif 7.5
Chemical Oxygen Demand (COD) Organic Enrichment/Oxygen Depletion color.gif 7.0
Contaminated Sediments (Cadmium) Metals (other than Mercury) color.gif 6.5
Viruses (Enteric) Pathogens color.gif 6.5
Silver Metals (other than Mercury) color.gif 6.4
Eutrophication Nutrients color.gif 6.2
Solids Other Cause color.gif 6.0
Synthetic Organics Toxic Organics color.gif 6.0
Surfactants Other Cause color.gif 6.0
Trace Elements Metals (other than Mercury) color.gif 6.0
Nitrogen, Nitrate Nutrients color.gif 5.7
Permethrin Pesticides color.gif 4.2
Bis(2 Ethylhexyl)Phthalate Toxic Organics color.gif 3.9
Benzo[b]fluoranthene Toxic Organics color.gif 3.6
Zinc, Dissolved Metals (other than Mercury) color.gif 3.4
Dioxin Dioxins color.gif 3.4
Contaminated Sediments (Lead) Metals (other than Mercury) color.gif 2.3
Contaminated Sediments (Zinc) Metals (other than Mercury) color.gif 2.3
Shellfish Harvesting Advisory Fish Consumption Advisory color.gif 2.3
Contaminated Sediments (PAHs) Toxic Organics color.gif 2.3
PCBs in Sediment and Fish Tissue Polychlorinated Biphenyls (PCBs) color.gif 2.3
Bacteria Pathogens color.gif 1.7
Total Suspended Solids (TSS) Turbidity color.gif 1.6
Oil and Grease Oil and Grease color.gif 1.6
Total Kjehldahl Nitrogen (TKN) Nutrients color.gif 1.3

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Site-specific Targeted Monitoring Results

Probable Sources
California Rivers and Streams 2012

Description of this table
Loss Of Riparian Habitat Habitat Alterations (Not Directly Related To Hydromodification) color.gif 50,651.8
Impacts From Flow Alteration/Regulation/Modification Hydromodification color.gif 50,031.2
Silviculture Activities Silviculture (Forestry) color.gif 34,442.9
Source Unknown Unknown color.gif 33,788.7
Forest Roads (Road Construction And Use) Silviculture (Forestry) color.gif 29,771.4
Post-Development Erosion And Sedimentation Hydromodification color.gif 25,750.1
Streambank Modifications/Destabilization Hydromodification color.gif 22,409.8
Non-Point Source Unspecified Nonpoint Source color.gif 20,249.7
Habitat Modification - Other Than Hydromodification Habitat Alterations (Not Directly Related To Hydromodification) color.gif 14,408.3
Agriculture Agriculture color.gif 14,389.7
Highways, Roads, Bridges, Infrastructure (New Construction) Construction color.gif 13,638.1
Drainage/Filling/Loss Of Wetlands Habitat Alterations (Not Directly Related To Hydromodification) color.gif 13,031.9
Impacts From Hydrostructure Flow Regulation/Modification Hydromodification color.gif 12,848.4
Livestock (Grazing Or Feeding Operations) Agriculture color.gif 12,582.1
Subsurface (Hardrock) Mining Resource Extraction color.gif 11,790.0
Natural Sources Natural/Wildlife color.gif 9,712.3
Channel Erosion/Incision From Upstream Hydromodifications Hydromodification color.gif 9,574.7
Mine Tailings Resource Extraction color.gif 9,443.7
Dam Construction (Other Than Upstream Flood Control Projects) Hydromodification color.gif 8,873.9
Irrigated Crop Production Agriculture color.gif 8,612.1
Site Clearance (Land Development Or Redevelopment) Construction color.gif 7,087.2
Surface Mining Resource Extraction color.gif 5,891.8
Grazing In Riparian Or Shoreline Zones Agriculture color.gif 5,510.7
Upstream Impoundments (E.G., Pl-566 Nrcs Structures) Hydromodification color.gif 5,153.3
Flow Alterations From Water Diversions Hydromodification color.gif 3,841.8
Placer Mining Resource Extraction color.gif 3,513.9
Rangeland Grazing Agriculture color.gif 2,994.3
Baseflow Depletion From Groundwater Withdrawals Hydromodification color.gif 2,536.4
Specialty Crop Production Agriculture color.gif 2,088.5
Municipal Point Source Discharges Municipal Discharges/Sewage color.gif 1,613.7
Dairies (Outside Milk Parlor Areas) Agriculture color.gif 1,437.6
Non-Irrigated Crop Production Agriculture color.gif 786.1
Crop Production With Subsurface Drainage Agriculture color.gif 612.0
Internal Nutrient Recycling Natural/Wildlife color.gif 612.0
Urban Runoff/Storm Sewers Urban-Related Runoff/Stormwater color.gif 609.9
Sediment Resuspension (Clean Sediment) Hydromodification color.gif 426.5
Unspecified Urban Stormwater Urban-Related Runoff/Stormwater color.gif 215.9
Atmospheric Deposition - Toxics Atmospheric Deposition color.gif 150.5
Contaminated Groundwater Groundwater Loadings/Withdrawals color.gif 136.9
Sources Outside State Jurisdiction Or Borders Other color.gif 124.0
Other Recreational Pollution Sources Recreation And Tourism (Non-Boating) color.gif 91.1
On-Site Treatment Systems (Septic Systems And Similar Decentralized Systems) Municipal Discharges/Sewage color.gif 79.9
Animal Feeding Operations (Nps) Agriculture color.gif 69.6
Inappropriate Waste Disposal Spills/Dumping color.gif 65.1
Golf Courses Recreation And Tourism (Non-Boating) color.gif 37.9
Impacts From Resort Areas (Winter And Non-Winter Resorts) Recreation And Tourism (Non-Boating) color.gif 37.3
Managed Pasture Grazing Agriculture color.gif 34.0
Highway/Road/Bridge Runoff (Non-Construction Related) Urban-Related Runoff/Stormwater color.gif 17.9
Acid Mine Drainage Resource Extraction color.gif 10.7
Impacts From Abandoned Mine Lands (Inactive) Resource Extraction color.gif 7.4
Dredging (E.G., For Navigation Channels) Hydromodification color.gif 6.2
Mill Tailings Industrial color.gif 4.1
Channelization Hydromodification color.gif 4.0

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Site-specific Targeted Monitoring Results

California Lakes, Reservoirs, and Ponds 2012

Description of this table

All
Lakes, Reservoirs, and Ponds

2,086,230.0 Acres of Lakes, Reservoirs, and Ponds

Assessed 831,214.3
Unassessed 1,255,015.7
Total Acres 2,086,230.0







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Description of this table

Assessed
Lakes, Reservoirs, and Ponds

831,214.3 Acres of
Assessed Lakes, Reservoirs, and Ponds

Good 21,839.6
Threatened .0
Impaired 809,374.7
Total Acres Assessed 831,214.3







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Description of this table

Threatened and Impaired
Lakes, Reservoirs, and Ponds

809,374.7 Acres of
Threatened and Impaired
Lakes, Reservoirs, and Ponds

152,949.8
88,207.0
.0
568,217.9
Total Threatened and Impaired 809,374.7

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
California Lakes, Reservoirs, and Ponds 2012

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Description of this table
% Good
% Threatened
% Impaired
Agricultural Supply 55,766.8 .2 .0 99.8 color.gifcolor.gif
Cold Freshwater Habitat 163,352.1 12.3 .0 87.7 color.gifcolor.gif
Commercial And Sport Fishing 518,945.4 3.8 .0 96.2 color.gifcolor.gif
Estuarine Habitat 162.5 .0 .0 100.0 color.gif
Ground Water Recharge 55.6 .0 .0 100.0 color.gif
Inland Saline Water Habitat 45,298.8 .0 .0 100.0 color.gif
Municipal And Domestic Supply 81,267.3 32.8 .0 67.2 color.gifcolor.gif
Non-Contact Water Recreation 13,800.2 93.1 .0 6.9 color.gifcolor.gif
Preservation Of Biological Habitats 26,998.0 .0 .0 100.0 color.gif
Shellfish Harvesting 23.5 .0 .0 100.0 color.gif
Warm Freshwater Habitat 319,972.1 19.1 .0 80.9 color.gifcolor.gif
Water Contact Recreation 325,963.0 9.8 .0 90.2 color.gifcolor.gif
Wildlife Habitat 43,023.7 .0 .0 100.0 color.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
California Lakes, Reservoirs, and Ponds 2012

Description of this table
Arsenic Metals (other than Mercury) color.gif 289,404.6
Nutrients Nutrients color.gif 278,993.8
Mercury Mercury color.gif 261,832.9
Dissolved Oxygen Organic Enrichment/Oxygen Depletion color.gif 246,911.3
Chloride Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 234,117.1
DDT Pesticides color.gif 233,404.7
Chlorpyrifos Pesticides color.gif 233,207.7
Salinity Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 233,072.8
Toxicity Total Toxics color.gif 233,044.8
Nitrogen, Ammonia (Total Ammonia) Nutrients color.gif 233,044.8
Enterococcus Bacteria Pathogens color.gif 233,044.8
Salinity/Total Dissolved Solids/Chlorides Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 144,509.2
Phosphorus Nutrients color.gif 113,856.6
Nitrogen Nutrients color.gif 113,299.1
Sedimentation/Siltation Sediment color.gif 86,649.3
Petroleum Hydrocarbons Oil and Grease color.gif 42,908.2
Polychlorinated Biphenyls (PCBs) Polychlorinated Biphenyls (PCBs) color.gif 29,520.3
pH, High pH/Acidity/Caustic Conditions color.gif 29,404.0
pH pH/Acidity/Caustic Conditions color.gif 14,860.3
Copper Metals (other than Mercury) color.gif 9,348.6
Zinc Metals (other than Mercury) color.gif 7,544.0
Metals Metals (other than Mercury) color.gif 6,512.1
Ammonia Ammonia color.gif 5,579.7
Color Taste, Color and Odor color.gif 5,456.2
Manganese Metals (other than Mercury) color.gif 4,924.9
Organic Enrichment/Low Dissolved Oxygen Organic Enrichment/Oxygen Depletion color.gif 3,459.2
Total Nitrogen as N Nutrients color.gif 3,337.2
Noxious Aquatic Plants Noxious Aquatic Plants color.gif 2,865.0
Ammonia, Un-ionized Ammonia color.gif 2,627.5
Unknown Toxicity Total Toxics color.gif 2,554.9
Sediment Toxicity Total Toxics color.gif 2,450.7
Chlordane Pesticides color.gif 2,015.4
Cyanobacteria Hepatotoxic Microcystins Biotoxins color.gif 2,008.0
Iron Metals (other than Mercury) color.gif 1,611.2
Dieldrin Pesticides color.gif 1,284.9
PCB(s) in Fish Tissue Polychlorinated Biphenyls (PCBs) color.gif 1,134.9
Turbidity Turbidity color.gif 1,104.0
Sulfates Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 1,057.6
Heptachlor Epoxide Pesticides color.gif 784.5
Toxaphene Pesticides color.gif 784.5
Trace Elements Metals (other than Mercury) color.gif 776.3
Eutrophication Nutrients color.gif 603.5
Pathogens Pathogens color.gif 546.4
Trash Trash color.gif 497.9
Aluminum Metals (other than Mercury) color.gif 419.9
Algae Algal Growth color.gif 418.6
Mercury in Fish Tissue Mercury color.gif 409.2
DDT in Tissue Pesticides color.gif 391.3
Chlordane in Fish Tissue Pesticides color.gif 391.3
Lead Metals (other than Mercury) color.gif 314.5
Odors Taste, Color and Odor color.gif 243.7
Diazinon Pesticides color.gif 162.9
Cadmium Metals (other than Mercury) color.gif 154.8
Perchlorate Toxic Inorganics color.gif 125.4
Ammonia Nitrogen Ammonia color.gif 121.0
Fish Barriers Habitat Alterations color.gif 120.9
Scum/Foam, Unnatural Other Cause color.gif 115.5
Chlorophyll-A Algal Growth color.gif 115.5
Nitrate Nutrients color.gif 55.6
Escherichia Coli (E. Coli) Pathogens color.gif 51.5
Chema Other Cause color.gif 45.0
Dieldrin in Tissue Pesticides color.gif 45.0
Fecal Coliform Pathogens color.gif 43.6
Dimethoate Pesticides color.gif 28.0
Total Coliform Pathogens color.gif 23.5
Fish Kill(s) Cause Unknown - Fish Kills color.gif 21.4
Contaminated Sediments (PCBs) Polychlorinated Biphenyls (PCBs) color.gif 20.1
Dieldrin in Sediment Pesticides color.gif 20.1
Contaminated Sediments (Chlordane) Pesticides color.gif 20.1
DDT in Sediment Pesticides color.gif 20.1
Specific Conductivity Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 14.6
Selenium Metals (other than Mercury) color.gif 14.6

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Site-specific Targeted Monitoring Results

Probable Sources
California Lakes, Reservoirs, and Ponds 2012

Description of this table
Source Unknown Unknown color.gif 612,682.3
Non-Point Source Unspecified Nonpoint Source color.gif 175,609.7
Natural Sources Natural/Wildlife color.gif 146,462.7
Livestock (Grazing Or Feeding Operations) Agriculture color.gif 126,363.3
Urban Runoff/Storm Sewers Urban-Related Runoff/Stormwater color.gif 124,556.6
Post-Development Erosion And Sedimentation Hydromodification color.gif 124,330.5
Internal Nutrient Recycling Natural/Wildlife color.gif 111,303.3
Site Clearance (Land Development Or Redevelopment) Construction color.gif 86,957.4
Atmospheric Deposition - Toxics Atmospheric Deposition color.gif 85,991.7
Silviculture Activities Silviculture (Forestry) color.gif 85,984.9
Highways, Roads, Bridges, Infrastructure (New Construction) Construction color.gif 85,984.9
Other Recreational Pollution Sources Recreation And Tourism (Non-Boating) color.gif 84,313.3
Highway/Road/Bridge Runoff (Non-Construction Related) Urban-Related Runoff/Stormwater color.gif 84,137.3
Impacts From Hydrostructure Flow Regulation/Modification Hydromodification color.gif 84,092.4
Sediment Resuspension (Clean Sediment) Hydromodification color.gif 84,092.4
Streambank Modifications/Destabilization Hydromodification color.gif 84,092.4
Loss Of Riparian Habitat Habitat Alterations (Not Directly Related To Hydromodification) color.gif 84,092.4
Channel Erosion/Incision From Upstream Hydromodifications Hydromodification color.gif 84,092.4
Channelization Hydromodification color.gif 84,092.4
Unspecified Urban Stormwater Urban-Related Runoff/Stormwater color.gif 84,092.4
Impacts From Flow Alteration/Regulation/Modification Hydromodification color.gif 55,693.9
Impacts From Geothermal Development Resource Extraction color.gif 55,525.9
Crop Production (Crop Land Or Dry Land) Agriculture color.gif 45,298.8
Industrial Point Source Discharge Industrial color.gif 42,908.2
Agriculture Agriculture color.gif 42,183.6
Subsurface (Hardrock) Mining Resource Extraction color.gif 41,751.4
Drainage/Filling/Loss Of Wetlands Habitat Alterations (Not Directly Related To Hydromodification) color.gif 1,892.5
Irrigated Crop Production Agriculture color.gif 1,088.9
Flow Alterations From Water Diversions Hydromodification color.gif 1,057.6
Forest Roads (Road Construction And Use) Silviculture (Forestry) color.gif 915.8
Golf Courses Recreation And Tourism (Non-Boating) color.gif 308.2
Contaminated Groundwater Groundwater Loadings/Withdrawals color.gif 173.1
On-Site Treatment Systems (Septic Systems And Similar Decentralized Systems) Municipal Discharges/Sewage color.gif 173.1
Municipal Point Source Discharges Municipal Discharges/Sewage color.gif 173.1
Managed Pasture Grazing Agriculture color.gif 167.9
Inappropriate Waste Disposal Spills/Dumping color.gif 167.9
Dam Construction (Other Than Upstream Flood Control Projects) Hydromodification color.gif 120.9
Mine Tailings Resource Extraction color.gif 72.7
Industrial/Commercial Site Stormwater Discharge (Permitted) Urban-Related Runoff/Stormwater color.gif 45.0

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Site-specific Targeted Monitoring Results

California Bays and Estuaries 2012

Description of this table

All
Bays and Estuaries

2,139.0 Square Miles of Bays and Estuaries

Assessed 895.4
Unassessed 1,243.6
Total Square Miles 2,139.0







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Description of this table

Assessed
Bays and Estuaries

895.4 Square Miles of
Assessed Bays and Estuaries

Good .4
Threatened .0
Impaired 894.9
Total Square Miles Assessed 895.4







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Description of this table

Threatened and Impaired
Bays and Estuaries

894.9 Square Miles of
Threatened and Impaired
Bays and Estuaries

3.9
.3
.0
890.7
Total Threatened and Impaired 894.9

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
California Bays and Estuaries 2012

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Description of this table
% Good
% Threatened
% Impaired
Agricultural Supply 32.5 .0 .0 100.0 color.gif
Cold Freshwater Habitat 8.0 .0 .0 100.0 color.gif
Commercial And Sport Fishing 881.8 .3 .0 99.7 color.gifcolor.gif
Estuarine Habitat 537.9 3.1 .0 96.9 color.gifcolor.gif
Industrial Service Supply .0 .0 .0 100.0 color.gif
Marine Habitat 290.5 8.8 .0 91.2 color.gifcolor.gif
Municipal And Domestic Supply 10.6 .0 .0 100.0 color.gif
Non-Contact Water Recreation 489.8 .0 .0 100.0 color.gifcolor.gif
Shellfish Harvesting 31.0 88.9 .0 11.1 color.gifcolor.gif
Warm Freshwater Habitat 79.4 .1 .0 99.9 color.gifcolor.gif
Water Contact Recreation 64.9 39.5 .0 60.5 color.gifcolor.gif
Wetland Habitat .0 .0 .0 100.0 color.gif
Wildlife Habitat 255.1 .0 .0 100.0 color.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
California Bays and Estuaries 2012

Description of this table
Mercury Mercury color.gif 577.1
Polychlorinated Biphenyls (PCBs) Polychlorinated Biphenyls (PCBs) color.gif 575.7
DDT Pesticides color.gif 575.6
Invasive Exotic Species Nuisance Exotic Species color.gif 564.1
Chlordane Pesticides color.gif 520.9
Dieldrin Pesticides color.gif 506.0
Furan Compounds Dioxins color.gif 497.2
Dioxin (Including 2,3,7,8-TCDD) Dioxins color.gif 494.7
PCBs - Dioxin-like Polychlorinated Biphenyls (PCBs) color.gif 493.8
Selenium Metals (other than Mercury) color.gif 345.8
Sediment Toxicity Total Toxics color.gif 258.7
Trash Trash color.gif 257.5
DDT in Tissue and Sediment Pesticides color.gif 242.7
PCBs in Sediment and Fish Tissue Polychlorinated Biphenyls (PCBs) color.gif 229.8
Fish Consumption Advisory Fish Consumption Advisory color.gif 229.7
Debris Other Cause color.gif 229.1
Diazinon Pesticides color.gif 70.0
Chlorpyrifos Pesticides color.gif 68.3
Unknown Toxicity Total Toxics color.gif 68.1
Group A Pesticides Pesticides color.gif 68.1
Conductivity Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 32.5
Dioxin Dioxins color.gif 27.6
Sedimentation/Siltation Sediment color.gif 23.6
Pathogens Pathogens color.gif 19.7
Nutrients Nutrients color.gif 16.8
Copper Metals (other than Mercury) color.gif 9.4
Pesticides Pesticides color.gif 8.9
Dissolved Oxygen Organic Enrichment/Oxygen Depletion color.gif 8.5
Indicator Bacteria Pathogens color.gif 6.8
Zinc Metals (other than Mercury) color.gif 5.7
Benthic Macroinvertebrates Bioassessments Cause Unknown - Impaired Biota color.gif 5.3
Benzo[a]pyrene (PAHs) Toxic Organics color.gif 5.2
Chrysene Toxic Organics color.gif 5.1
Beach Closures Pathogens color.gif 4.7
Coliforms Pathogens color.gif 4.7
Nickel Metals (other than Mercury) color.gif 3.7
pH pH/Acidity/Caustic Conditions color.gif 3.5
Total Coliform Pathogens color.gif 3.5
Eutrophication Nutrients color.gif 3.1
Lead Metals (other than Mercury) color.gif 2.8
Organic Enrichment/Low Dissolved Oxygen Organic Enrichment/Oxygen Depletion color.gif 2.8
Turbidity Turbidity color.gif 2.1
Thallium Metals (other than Mercury) color.gif 2.1
Contaminated Sediments (Zinc) Metals (other than Mercury) color.gif 1.8
PCB(s) in Fish Tissue Polychlorinated Biphenyls (PCBs) color.gif 1.6
Contaminated Sediments (Lead) Metals (other than Mercury) color.gif 1.6
Dieldrin in Tissue Pesticides color.gif 1.5
Chlordane in Fish Tissue Pesticides color.gif 1.4
Contaminated Sediments (PAHs) Toxic Organics color.gif 1.2
Mercury in Sediment Mercury color.gif 1.2
Metals Metals (other than Mercury) color.gif 1.1
DDT in Tissue Pesticides color.gif .7
Toxaphene Pesticides color.gif .7
Contaminated Sediments (Copper) Metals (other than Mercury) color.gif .7
Priority Organics Compounds Toxic Organics color.gif .6
Nitrogen Nutrients color.gif .5
Endosulfan Pesticides color.gif .5
Pyrene Toxic Organics color.gif .4
Benzo[a]anthracene Toxic Organics color.gif .4
Phenanthrene Toxic Organics color.gif .4
Contaminated Sediments (Chlordane) Pesticides color.gif .4
Contaminated Sediments (PCBs) Polychlorinated Biphenyls (PCBs) color.gif .3
DDT in Sediment Pesticides color.gif .3
Ammonia Ammonia color.gif .3
Toxicity Total Toxics color.gif .3
Polycyclic Aromatic Hydrocarbons (PAHS) Toxic Organics color.gif .2
Dieldrin in Sediment Pesticides color.gif .2
Dibenz[a,h]anthracene Toxic Organics color.gif .1
Selenium in Sediment Metals (other than Mercury) color.gif .1
Escherichia Coli (E. Coli) Pathogens color.gif .1
Ammonia, Un-ionized Ammonia color.gif .1
Hydrogen Sulfide Toxic Inorganics color.gif .1
Enterococcus Bacteria Pathogens color.gif .1
Chema Other Cause color.gif .1
Nitrogen, Nitrate Nutrients color.gif .1
2-Methylnaphthalene Pesticides color.gif .1
Contaminated Sediments (Cadmium) Metals (other than Mercury) color.gif .1
Chromium in Sediments Metals (other than Mercury) color.gif .1
Dacthal Pesticides color.gif .0
Viruses (Enteric) Pathogens color.gif .0
Swimming Restriction Pathogens color.gif .0
Contaminated Sediments (Silver) Metals (other than Mercury) color.gif .0
Fecal Coliform Pathogens color.gif .0

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Site-specific Targeted Monitoring Results

Probable Sources
California Bays and Estuaries 2012

Description of this table
Source Unknown Unknown color.gif 894.9
Industrial Point Source Discharge Industrial color.gif 145.0
Non-Point Source Unspecified Nonpoint Source color.gif 123.2
Natural Sources Natural/Wildlife color.gif 120.7
Atmospheric Deposition - Toxics Atmospheric Deposition color.gif 119.9
Municipal Point Source Discharges Municipal Discharges/Sewage color.gif 119.9
Subsurface (Hardrock) Mining Resource Extraction color.gif 119.8
Agriculture Agriculture color.gif 25.4
Above Ground Storage Tank Leaks (Tank Farms) Spills/Dumping color.gif 25.1
Urban Runoff/Storm Sewers Urban-Related Runoff/Stormwater color.gif 23.9
Contaminated Sediments Legacy/Historical Pollutants color.gif 1.2
Post-Development Erosion And Sedimentation Hydromodification color.gif 1.1
Site Clearance (Land Development Or Redevelopment) Construction color.gif 1.0
Channel Erosion/Incision From Upstream Hydromodifications Hydromodification color.gif 1.0
Unspecified Urban Stormwater Urban-Related Runoff/Stormwater color.gif .3
Other Marina/Boating On-Vessel Discharges Recreational Boating And Marinas color.gif .2
Loss Of Riparian Habitat Habitat Alterations (Not Directly Related To Hydromodification) color.gif .1
Impacts From Flow Alteration/Regulation/Modification Hydromodification color.gif .1
Livestock (Grazing Or Feeding Operations) Agriculture color.gif .0
On-Site Treatment Systems (Septic Systems And Similar Decentralized Systems) Municipal Discharges/Sewage color.gif .0
Irrigated Crop Production Agriculture color.gif .0
Contaminated Groundwater Groundwater Loadings/Withdrawals color.gif .0
Accidental Release/Spill Spills/Dumping color.gif .0
Golf Courses Recreation And Tourism (Non-Boating) color.gif .0
Illicit Connections/Hook-Ups To Storm Sewers Municipal Discharges/Sewage color.gif .0

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Site-specific Targeted Monitoring Results

California Coastal Shoreline 2012

Description of this table
Pie chart not displayed because total size for Coastal Shoreline is unavailable.
Assessed 199.2
Unassessed Unavailable
Total Miles Unavailable







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Description of this table

Assessed
Coastal Shoreline

199.2 Miles of
Assessed Coastal Shoreline

Good 81.3
Threatened .0
Impaired 117.8
Total Miles Assessed 199.2







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Description of this table

Threatened and Impaired
Coastal Shoreline

117.8 Miles of
Threatened and Impaired
Coastal Shoreline

60.3
.0
.0
57.5
Total Threatened and Impaired 117.8

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
California Coastal Shoreline 2012

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Description of this table
% Good
% Threatened
% Impaired
Commercial And Sport Fishing 43.1 .0 .0 100.0 color.gif
Estuarine Habitat .6 .0 .0 100.0 color.gif
Marine Habitat 2.6 .0 .0 100.0 color.gif
Shellfish Harvesting 44.9 50.2 .0 49.8 color.gifcolor.gif
Warm Freshwater Habitat 6.8 100.0 .0 .0 color.gif
Water Contact Recreation 187.9 53.3 .0 46.7 color.gifcolor.gif
Wildlife Habitat 11.9 100.0 .0 .0 color.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
California Coastal Shoreline 2012

Description of this table
Indicator Bacteria Pathogens color.gif 75.0
Polychlorinated Biphenyls (PCBs) Polychlorinated Biphenyls (PCBs) color.gif 41.7
DDT Pesticides color.gif 34.3
Coliforms Pathogens color.gif 17.3
Total Coliform Pathogens color.gif 6.7
Fecal Coliform Pathogens color.gif 5.5
Enterococcus Bacteria Pathogens color.gif 3.4
Copper Metals (other than Mercury) color.gif 3.0
Nickel Metals (other than Mercury) color.gif 2.6
Dieldrin Pesticides color.gif 1.8
Beach Closures Pathogens color.gif 1.2
DDT in Sediment Pesticides color.gif 1.1
Mercury Mercury color.gif .6
Pesticides Pesticides color.gif .2
Pathogens Pathogens color.gif .2

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Site-specific Targeted Monitoring Results

Probable Sources
California Coastal Shoreline 2012

Description of this table
Source Unknown Unknown color.gif 92.2
Non-Point Source Unspecified Nonpoint Source color.gif 55.0
Municipal Point Source Discharges Municipal Discharges/Sewage color.gif 1.2
Urban Runoff/Storm Sewers Urban-Related Runoff/Stormwater color.gif .5
Natural Sources Natural/Wildlife color.gif .5
Unspecified Urban Stormwater Urban-Related Runoff/Stormwater color.gif .1
Other Recreational Pollution Sources Recreation And Tourism (Non-Boating) color.gif .0

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Site-specific Targeted Monitoring Results

California Ocean and Near Coastal 2012

Description of this table
Pie chart not displayed because total size for Ocean and Near Coastal is unavailable.
Assessed 103.8
Unassessed Unavailable
Total Square Miles Unavailable







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Description of this table

Assessed
Ocean and Near Coastal

103.8 Square Miles of
Assessed Ocean and Near Coastal

Good 61.9
Threatened .0
Impaired 41.9
Total Square Miles Assessed 103.8







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Description of this table

Threatened and Impaired
Ocean and Near Coastal

41.9 Square Miles of
Threatened and Impaired
Ocean and Near Coastal

.0
.0
.0
41.9
Total Threatened and Impaired 41.9

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
California Ocean and Near Coastal 2012

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Description of this table
% Good
% Threatened
% Impaired
Shellfish Harvesting 103.8 59.6 .0 40.4 color.gifcolor.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
California Ocean and Near Coastal 2012

Description of this table
Dieldrin Pesticides color.gif 41.9

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Site-specific Targeted Monitoring Results

Probable Sources
California Ocean and Near Coastal 2012

Description of this table
Source Unknown Unknown color.gif 41.9

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Site-specific Targeted Monitoring Results

California Wetlands 2012

Description of this table

All
Wetlands

357,064.0 Acres of Wetlands

Assessed 133,208.7
Unassessed 223,855.3
Total Acres 357,064.0







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Description of this table

Assessed
Wetlands

133,208.7 Acres of
Assessed Wetlands

Good 3.1
Threatened .0
Impaired 133,205.6
Total Acres Assessed 133,208.7







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Description of this table

Threatened and Impaired
Wetlands

133,205.6 Acres of
Threatened and Impaired
Wetlands

289.2
.0
.0
132,916.4
Total Threatened and Impaired 133,205.6

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Site-specific Targeted Monitoring Results

Individual Designated Use Support
California Wetlands 2012

* Waters assessed for more than one designated use are included in multiple designated use groups below.

Description of this table
% Good
% Threatened
% Impaired
Agricultural Supply 7,961.9 .0 .0 100.0 color.gif
Cold Freshwater Habitat 55,525.9 .0 .0 100.0 color.gif
Commercial And Sport Fishing 3,089.1 .0 .0 100.0 color.gif
Estuarine Habitat 66,672.2 .0 .0 100.0 color.gif
Municipal And Domestic Supply 1.2 86.0 .0 14.0 color.gifcolor.gif
Non-Contact Water Recreation .0 .0 .0 100.0 color.gif
Shellfish Harvesting .0 .0 .0 100.0 color.gif
Warm Freshwater Habitat 8,283.6 .0 .0 100.0 color.gifcolor.gif
Water Contact Recreation 43.7 .0 .0 100.0 color.gif
Wetland Habitat 289.2 .0 .0 100.0 color.gif
Wildlife Habitat 3,045.4 .0 .0 100.0 color.gif

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Site-specific Targeted Monitoring Results

Causes of Impairment
California Wetlands 2012

Description of this table
Mercury Mercury color.gif 69,384.7
Salinity/Total Dissolved Solids/Chlorides Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 66,339.3
Nutrients Nutrients color.gif 66,339.3
Organic Enrichment/Low Dissolved Oxygen Organic Enrichment/Oxygen Depletion color.gif 66,339.3
Metals Metals (other than Mercury) color.gif 55,525.9
Selenium Metals (other than Mercury) color.gif 11,007.3
Conductivity Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 7,961.9
Trash Trash color.gif 319.7
Exotic Vegetation Nuisance Exotic Species color.gif 289.2
Reduced Tidal Flushing Flow Alteration(s) color.gif 289.2
Habitat Alterations Habitat Alterations color.gif 289.2
Hydromodification Flow Alteration(s) color.gif 289.2
pH pH/Acidity/Caustic Conditions color.gif 30.5
Bis(2 Ethylhexyl)Phthalate Toxic Organics color.gif 30.5
Contaminated Sediments (Chlordane) Pesticides color.gif 30.5
Zinc Metals (other than Mercury) color.gif 30.5
Lead Metals (other than Mercury) color.gif 30.5
Copper Metals (other than Mercury) color.gif 30.5
Coliforms Pathogens color.gif 30.5
Ammonia Ammonia color.gif 30.5
Contaminated Sediments (PAHs) Toxic Organics color.gif 13.2
Chlordane in Fish Tissue Pesticides color.gif 13.2
Indicator Bacteria Pathogens color.gif 13.2
Contaminated Sediments (Lead) Metals (other than Mercury) color.gif 13.2
Contaminated Sediments (Zinc) Metals (other than Mercury) color.gif 13.2
DDT in Tissue Pesticides color.gif 13.2
Sediment Toxicity Total Toxics color.gif 13.2
PCB(s) in Fish Tissue Polychlorinated Biphenyls (PCBs) color.gif 13.2
Dieldrin in Tissue Pesticides color.gif 13.2
Arsenic Metals (other than Mercury) color.gif .2
Boron Toxic Inorganics color.gif .2
Total Coliform Pathogens color.gif .0

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Site-specific Targeted Monitoring Results

Probable Sources
California Wetlands 2012

Description of this table
Source Unknown Unknown color.gif 133,205.6
Non-Point Source Unspecified Nonpoint Source color.gif 289.2

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California Causes of Impairment for Reporting Year 2012


Description of this table
NOTE: Click on the underlined Cause of Impairment Group to see a list of specific state causes of impairment making up the Cause of Impairment Group. See also Pollution categories summary document (PDF) (20 pp, 557 K, About PDF) for brief, non-technical descriptions of general cause categories.
Size of Assessed Waters with Listed Causes of Impairment
Algal Growth 134.3 534.1
Ammonia 375.3 8,328.2 .4 30.5
Biotoxins 6,389.6 2,008.0
Cause Unknown - Fish Kills 21.4
Cause Unknown - Impaired Biota 75.5 5.3
Dioxins 3.4 522.3
Fish Consumption Advisory 2.3 229.7
Flow Alteration(s) 22.0 289.2
Habitat Alterations 26.0 120.9 289.2
Mercury 2,608.4 262,242.1 577.2 .6 69,384.7
Metals (other than Mercury) 18,122.2 310,430.7 360.0 3.0 66,577.1
Noxious Aquatic Plants 2,865.0
Nuisance Exotic Species 158.7 564.1 289.2
Nutrients 12,437.0 396,560.7 20.5 66,339.3
Oil and Grease 22.3 42,908.2
Organic Enrichment/Oxygen Depletion 14,527.0 250,370.5 11.3 66,339.3
Other Cause 109.8 160.4 229.2
Pathogens 4,517.2 233,662.8 39.3 104.9 43.7
Pesticides 4,534.1 235,765.8 829.1 35.6 41.9 43.7
pH/Acidity/Caustic Conditions 4,321.0 44,264.3 3.5 30.5
Polychlorinated Biphenyls (PCBs) 1,806.3 30,675.4 807.4 41.7 13.2
Salinity/Total Dissolved Solids/Chlorides/Sulfates 2,230.0 378,654.3 32.5 74,301.2
Sediment 44,724.8 86,649.3 23.6
Taste, Color and Odor 5,699.9
Temperature 41,843.8
Total Toxics 3,417.9 235,619.8 327.1 13.2
Toxic Inorganics 895.4 125.4 .1 .2
Toxic Organics 52.9 7.1 43.7
Trash 512.8 497.9 257.5 319.7
Turbidity 2,399.1 1,104.0 2.1

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California Probable Sources Contributing to Impairments
for Reporting Year 2012

Description of this table
NOTE: Click on the underlined Probable Source Group to see a list of specific state Probable Sources making up the Probable Source Group.
Size of Assessed Waters with Probable Sources of Impairments
Agriculture 26,261.3 172,050.9 25.5
Atmospheric Deposition 150.5 85,991.7 119.9
Construction 15,469.7 88,849.9 1.0
Groundwater Loadings/Withdrawals 136.9 173.1 .0
Habitat Alterations (Not Directly Related To Hydromodification) 50,666.2 85,984.9 .1
Hydromodification 50,877.0 181,034.9 1.1
Industrial 4.1 42,908.2 145.0
Legacy/Historical Pollutants 1.2
Municipal Discharges/Sewage 1,645.0 173.1 119.9 1.2
Natural/Wildlife 9,712.3 173,673.7 120.7 .5
Other 124.0
Recreation And Tourism (Non-Boating) 129.0 84,621.5 .0 .0
Recreational Boating And Marinas .2
Resource Extraction 13,791.8 97,350.0 119.8
Silviculture (Forestry) 36,886.5 85,984.9
Spills/Dumping 65.1 167.9 25.1
Unknown 33,788.7 612,682.3 894.9 92.2 41.9 133,205.6
Unspecified Nonpoint Source 20,249.7 175,609.7 123.2 55.0 289.2
Urban-Related Runoff/Stormwater 730.6 124,556.6 23.9 .6

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California TMDL Alternatives by Cause of Impairment 2012


Description of this table


NOTE: Click on the underlined "Number of TMDL Alternatives by Cause of Impairment " value to see a listing of those Causes of Impairment.
Fecal Coliform color.gif 5 53    
Metals color.gif 3 8    
Ammonia color.gif 2 16    
Copper color.gif 2     0
Mercury color.gif 2     0
Polychlorinated Biphenyls (PCBs) color.gif 2     0
Salinity/Total Dissolved Solids/Chlorides color.gif 2   88,207  
Zinc color.gif 2     0
Chlordane color.gif 1     0
Contaminated Sediments (PAHs) color.gif 1     0
DDT in Tissue color.gif 1     0
Dacthal color.gif 1     0
Dieldrin color.gif 1     0
Dieldrin in Sediment color.gif 1     0
Mercury in Sediment color.gif 1     0
PCB(s) in Fish Tissue color.gif 1     0
Petroleum Hydrocarbons color.gif 1   42,908  
Phosphorus color.gif 1 1    
Polycyclic Aromatic Hydrocarbons (PAHS) color.gif 1     0
Selenium in Sediment color.gif 1     0
Total Kjehldahl Nitrogen (TKN) color.gif 1 1    
Total Nitrogen as N color.gif 1 8    

Total: 34 TMDL Alternatives

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California Previously 303(d)-Listed Waters Now Attaining All Applicable Water Quality Standards

Description of this table
NOTE: Click on the underlined "Number of Waters Attaining" value for a detailed list of those previously 303(d)-listed waters now attaining all applicable water quality standards.
2011 color.gif 12 15
2015 color.gif 2 2

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California Causes of Impairment for 303(d) Listed Waters

Description of this table
NOTE: Click on a cause of impairment (e.g. pathogens) to see the specific state-reported causes that are grouped to make up this category. Click on the "Number of Causes of Impairment Reported" to see a list of waters with that cause of impairment.
Pathogens color.gif 536
Pesticides color.gif 442
Metals (other than Mercury) color.gif 299
Total Toxics color.gif 243
Salinity/Total Dissolved Solids/Chlorides/Sulfates color.gif 196
Mercury color.gif 171
Nutrients color.gif 167
Polychlorinated Biphenyls (PCBs) color.gif 120
Organic Enrichment/Oxygen Depletion color.gif 118
pH/Acidity/Caustic Conditions color.gif 110
Sediment color.gif 75
Temperature color.gif 58
Turbidity color.gif 49
Trash color.gif 46
Ammonia color.gif 42
Toxic Inorganics color.gif 39
Toxic Organics color.gif 38
Nuisance Exotic Species color.gif 30
Dioxins color.gif 28
Cause Unknown - Impaired Biota color.gif 21
Taste, Color and Odor color.gif 13
Algal Growth color.gif 13
Other Cause color.gif 10
Flow Alteration(s) color.gif 6
Habitat Alterations color.gif 5
Oil and Grease color.gif 3
Fish Consumption Advisory color.gif 2
Biotoxins color.gif 1
Cause Unknown - Fish Kills color.gif 1

Total: 2,882 Causes of Impairment

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California Cumulative TMDLs by Pollutant

This chart includes TMDLs since October 1, 1995.

Description of this table
NOTE: Click on the underlined "Pollutant" value to see associated listed waters for which a TMDL was developed. Click on the underlined "Number of TMDLs" value to see a listing of those TMDLs for the pollutant.
Number of Causes of
Impairment Addressed
Fecal Coliform color.gif 146 150
Diazinon color.gif 116 157
Total Coliform color.gif 87 89
Chlorpyrifos color.gif 85 124
Enterococcus Bacteria color.gif 85 86
Trash color.gif 70 70
DDT color.gif 60 62
Polychlorinated Biphenyls (PCBs) color.gif 60 69
Nitrate color.gif 57 111
Copper color.gif 55 56
Lead color.gif 54 55
Toxicity color.gif 54 55
Nitrogen, Total color.gif 52 114
Sediment color.gif 49 54
Escherichia Coli (E. Coli) color.gif 47 49
Ammonia color.gif 45 88
Beach Closures color.gif 45 88
Chlordane color.gif 38 41
Coliforms color.gif 37 53
Zinc color.gif 35 36
Dieldrin color.gif 34 35
Phosphorus, Total color.gif 34 60
Mercury color.gif 32 32
Ammonia Nitrogen color.gif 30 71
Chloride color.gif 29 34
Pathogens color.gif 29 32
Nitrate/Nitrite color.gif 28 50
Selenium color.gif 25 25
4,4'-DDT color.gif 23 29
Phosphorus color.gif 22 41
Toxaphene color.gif 21 23
DDT in Sediment color.gif 18 18
Nitrogen color.gif 18 34
Temperature color.gif 17 18
Total PCBs color.gif 17 17
Orthophosphate color.gif 16 37
Contaminated Sediments (PCBs) color.gif 14 14
High Coliform Count color.gif 14 14
Sediment Toxicity color.gif 14 15
Nitrite color.gif 13 29
Polycyclic Aromatic Hydrocarbons (PAHs) (Aquatic Ecosystems) color.gif 13 33
4,4'-DDD color.gif 11 17
4,4'-DDE color.gif 11 17
Contaminated Sediments (Copper) color.gif 11 11
Contaminated Sediments (PAHs) color.gif 11 31
Lead in Sediment color.gif 11 11
Zinc in Sediment color.gif 11 11
Additive Toxicity For Organophosphate Pesticides color.gif 10 22
Additive Toxicity For Pyrethroid Pesticides color.gif 10 10
Cadmium color.gif 10 11
DDT in Tissue color.gif 10 10
Siltation color.gif 10 10
Total Dissolved Solids (TDS) color.gif 10 10
Biochemical Oxygen Demand (BOD) color.gif 9 16
DDT Metabolites color.gif 9 14
Hexachlorocyclohexane (HCH) color.gif 9 9
Malathion color.gif 9 10
Sulfates color.gif 9 9
Algae color.gif 8 10
Chema color.gif 8 8
Contaminated Sediments (Chlordane) color.gif 8 8
Methyl Mercury color.gif 8 8
Organic Enrichment/Low Dissolved Oxygen color.gif 7 7
Sedimentation/Siltation color.gif 7 9
Chlordane in Fish Tissue color.gif 6 6
Bacteria color.gif 5 7
Boron color.gif 5 5
Dieldrin in Sediment color.gif 5 5
Fecal Bacteria color.gif 5 8
PCB(s) in Fish Tissue color.gif 5 5
Chlordane In Fish Tissue color.gif 4 4
Chromium, Total color.gif 4 4
Ddt In Fish Tissue color.gif 4 7
Dieldrin In Fish Tissue color.gif 4 6
Nickel color.gif 4 4
Toxaphene In Fish Tissue color.gif 4 5
Additive Toxicity color.gif 3 4
Chlordane In Sediment color.gif 3 3
Chlordane in Sediments color.gif 3 3
Contaminated Sediments (Cadmium) color.gif 3 3
Dieldrin In Sediment color.gif 3 5
Dieldrin in Tissue color.gif 3 3
Endrin In Sediment color.gif 3 4
Mercury in Sediment color.gif 3 3
NH3 color.gif 3 3
Suspended Sediment color.gif 3 3
Toxaphene In Sediment color.gif 3 4
Dissolved Oxygen color.gif 2 2
Inorganic Nitrogen color.gif 2 2
Aluminum color.gif 1 1
Bifenthrin color.gif 1 1
Dacthal color.gif 1 1
Debris color.gif 1 1
Endosulfan color.gif 1 1
Exotic Vegetation color.gif 1 4
Fine Sediment color.gif 1 1
Nitrate as Nitrate (NO3) color.gif 1 2
Nitrates color.gif 1 2
Orthophosphorus color.gif 1 2
PPDDE color.gif 1 2
Salinity color.gif 1 1
Silver color.gif 1 1
Sodium color.gif 1 1
Total Suspended Solids (TSS) color.gif 1 1
Total Toxics color.gif 1 1
Total and Fecal Coliform color.gif 1 1
Toxic Impacts color.gif 1 1
Turbidity color.gif 1 1

Total: 2,066 TMDLs; 2,681 Causes of Impairment Addressed


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California Cumulative Number of TMDLs

EPA Fiscal Year starts October 1 and ends September 30.


Description of this table
NOTE: Click on the underlined "Number of TMDLs Completed" value for a detailed list of the TMDLs for the fiscal year.
1998 color.gif 13 13
1999 color.gif 15 15
2000 color.gif 7 9
2001 color.gif 4 4
2002 color.gif 115 120
2003 color.gif 149 240
2004 color.gif 92 174
2005 color.gif 31 36
2006 color.gif 229 272
2007 color.gif 142 145
2008 color.gif 81 81
2009 color.gif 80 87
2010 color.gif 55 74
2011