Regional Board 4 - Los Angeles Region CATEGORY 1 Draft 2016 Integrated Report (CWA Section 303(d) List / 305(b) Report)
2016 CALIFORNIA WATERS SUPPORTING ALL ASSESSED BENEFICIAL USES
 

Common Beneficial Uses

Applicable California Beneficial Uses
Aquatic Life SupportCold Freshwater Habitat, Estuarine Habitat, Fish Migration, Fish Spawning, Freshwater Replenishment, Inland Saline Water Habitat, Limited Warmwater, Marine Habitat, Preservation of Areas of Special Biological Significance, Preservation of Rare & Endangered Species, Warm Freshwater Habitat, Wetland Habitat, Wildlife Habitat
Drinking Water SupplyMunicipal & Domestic Supply
Fish ConsumptionCommercial or recreational collection of fish, shellfish, or organisms, Subsistence Fishing
Secondary ContactNon-Contact Recreation
ShellfishingShellfish Harvesting
Swimming Water Contact Recreation
 
Category 1 Criteria: 1) A water that fully supports at least one of its California beneficial uses; 2) has other uses that are not assessed or lack sufficient information to be assessed; and 3) No assessed uses are not supported.
* USGS HUC = US Geological Survey Hydrologic Unit Code. Calwater = State Water Resources Control Board hydrological subunit area or even smaller planning watershed.
 REGION  WATER BODY NAME WATER TYPE WATERSHED*
CALWATER / USGS HUC
  • COMMON BENEFICIAL USE
    • California Beneficial Use
        Pollutant Assessed
ESTIMATED AREA ASSESSED

4
Agua Blanca Creek and its tributaries (above Lake Piru)
River & Stream
4403.320200,4403.420000  / 
  • Aquatic Life Support
    • Cold Freshwater Habitat
        Benthic Community Effects
169 Miles

4
Arroyo Seco Reach 3 (above Devils Gate Dam)
River & Stream
40532000  /  18070105
  • Aquatic Life Support
    • Warm Freshwater Habitat
        Benthic Community Effects
4.1 Miles

4
Arroyo Sequit (from confluence of East and West Forks to mouth)
River & Stream
40444000  /  18070104
  • Aquatic Life Support
    • Warm Freshwater Habitat
        Benthic Community Effects, Oxygen, Dissolved, pH
3.2 Miles

4
Bear Canyon and its tributaries
River & Stream
4412.320000  / 
  • Aquatic Life Support
    • Cold Freshwater Habitat
        Benthic Community Effects
6.7 Miles

4
Bear Creek (Los Angeles County)
River & Stream
40543000  /  18070106
  • Secondary Contact
    • Non-Contact Recreation
        pH
  • Swimming
    • Water Contact Recreation
        pH
  • Aquatic Life Support
    • Warm Freshwater Habitat
        Alkalinity as CaCO3, Ammonia, Chloride, Nitrate/Nitrite (Nitrite + Nitrate as N), Oxygen, Dissolved, Sulfates, Temperature, water, pH
    • Fish Spawning
        Ammonia, Oxygen, Dissolved
    • Cold Freshwater Habitat
        Alkalinity as CaCO3, Ammonia, Benthic Community Effects, Chloride, Nitrate/Nitrite (Nitrite + Nitrate as N), Oxygen, Dissolved, Sulfates, Temperature, water, pH
11 Miles

4
Bear Creek and its tributaries
River & Stream
4405.430000  / 
  • Aquatic Life Support
    • Cold Freshwater Habitat
        Benthic-Macroinvertebrate Bioassessments
59 Miles

4
Calleguas Creek Reach 12 (was Conejo Creek/Arroyo Conejo North Fork on 1998 303d list), unnamed tributary at Olsen Road
River & Stream
40364000  /  18070103
  • Aquatic Life Support
    • Warm Freshwater Habitat
        Cyanide, Lead , Zinc
2.8 Miles

4
Channel Islands Harbor
Bay & Harbor
40311000  /  18070103
  • Secondary Contact
    • Non-Contact Recreation
        pH
  • Swimming
    • Water Contact Recreation
        pH
  • Aquatic Life Support
    • Marine Habitat
        2-Methylnaphthalene, Aldrin, Arsenic, Azinphos-methyl (Guthion), Benzo(a)anthracene, Benzo(a)pyrene (3,4-Benzopyrene -7-d), Cadmium, Chlordane, Chlorpyrifos, Chromium, Chrysene (C1-C4), Copper, DDT (Dichlorodiphenyltrichloroethane), Diazinon, Dibenz[a,h]anthracene, Dieldrin, Endosulfan, Endrin, Heptachlor, Heptachlor epoxide, Lead , Lindane/gamma Hexachlorocyclohexane (gamma-HCH), Mercury, PAHs (Polycyclic Aromatic Hydrocarbons), PCBs (Polychlorinated biphenyls), Phenanthrene, Pyrene, Selenium, Silver, Toxicity, Zinc, alpha-Endosulfan (Endosulfan 1), beta-Endosulfan (Endosulfan 2), pH
  • Fish Consumption
    • Commercial or recreational collection of fish, shellfish, or organisms
        Acenaphthene, Aldrin, Anthracene, Arsenic, Benzo(a)anthracene, Benzo(a)pyrene (3,4-Benzopyrene -7-d), Benzo[k]fluoranthene, Cadmium, Chlordane, Chlorpyrifos, Chrysene (C1-C4), DDD (Dichlorodiphenyldichloroethane), DDE (Dichlorodiphenyldichloroethylene), DDT (Dichlorodiphenyltrichloroethane), Diazinon, Dibenz[a,h]anthracene, Dieldrin, Endosulfan, Endosulfan sulfate, Endrin, Endrin aldehyde, Fluoranthene, Fluorene, Heptachlor, Heptachlor epoxide, Hexachlorobenzene/ HCB, Indeno[1,2,3-cd]pyrene, Lindane/gamma Hexachlorocyclohexane (gamma-HCH), Manganese, Mercury, Mirex, Nickel, PAHs (Polycyclic Aromatic Hydrocarbons), PCBs (Polychlorinated biphenyls), Pyrene, Selenium, alpha-Endosulfan (Endosulfan 1), beta-Endosulfan (Endosulfan 2)
209 Acres

4
Clearwater Canyon
River & Stream
40351000  /  18070102
  • Secondary Contact
    • Non-Contact Recreation
        pH
  • Swimming
    • Water Contact Recreation
        Manganese, pH
  • Aquatic Life Support
    • Warm Freshwater Habitat
        Alkalinity as CaCO3, Aluminum, Ammonia, Arsenic, Benthic Community Effects, Bifenthrin, Cadmium, Chromium, Copper, Cyhalothrin, Lambda, Cypermethrin, Deltamethrin, Esfenvalerate/Fenvalerate, Fenpropathrin, Iron, Lead , Nickel, Nitrate/Nitrite (Nitrite + Nitrate as N), Oxygen, Dissolved, Permethrin, Selenium, Silver, Sulfates, Temperature, water, Total Dissolved Solids, Toxicity, Zinc, pH
1.8 Miles

4
County Line Beach
Coastal & Bay Shoreline
40445000  /  18070104
  • Swimming
    • Water Contact Recreation
        Indicator Bacteria
  • Shellfishing
    • Shellfish Harvesting
        Indicator Bacteria
0.7 Miles

4
Deer Creek Beach
Coastal & Bay Shoreline
40446000  /  18070104
  • Swimming
    • Water Contact Recreation
        Indicator Bacteria
  • Shellfishing
    • Shellfish Harvesting
        Indicator Bacteria
1.2 Miles

4
Elizabeth Lake Canyon
River & Stream
40351000  /  18070102
  • Secondary Contact
    • Non-Contact Recreation
        pH
  • Swimming
    • Water Contact Recreation
        pH
  • Drinking Water Supply
    • Municipal & Domestic Supply
        Aluminum, Ammonia, Arsenic, Cadmium, Chloride, Chromium, Copper, Iron, Lead , Manganese, Nickel, Nitrogen, Nitrate, Nitrogen, Nitrite, Selenium, Silver, Specific Conductivity, Sulfates, Total Dissolved Solids, pH
  • Aquatic Life Support
    • Warm Freshwater Habitat
        Alkalinity as CaCO3, Aluminum, Ammonia, Arsenic, Benthic Community Effects, Bifenthrin, Cadmium, Chloride, Chromium, Copper, Cyhalothrin, Lambda, Cypermethrin, Deltamethrin, Esfenvalerate/Fenvalerate, Fenpropathrin, Iron, Lead , Nickel, Nitrate/Nitrite (Nitrite + Nitrate as N), Oxygen, Dissolved, Permethrin, Selenium, Silver, Sulfates, Temperature, water, Total Dissolved Solids, Toxicity, Zinc, pH
    • Cold Freshwater Habitat
        Benthic Community Effects
12 Miles

4
Emma Woods State Beach
Coastal & Bay Shoreline
40100011  /  18070101
  • Swimming
    • Water Contact Recreation
        Indicator Bacteria
  • Shellfishing
    • Shellfish Harvesting
        Indicator Bacteria
1.6 Miles

4
Faria County Park Beach
Coastal & Bay Shoreline
40100011  /  18070101
  • Swimming
    • Water Contact Recreation
        Indicator Bacteria
0.68 Miles

4
Hermosa Beach
Coastal & Bay Shoreline
40512000  /  18070104
  • Swimming
    • Water Contact Recreation
        Indicator Bacteria
  • Shellfishing
    • Shellfish Harvesting
        Indicator Bacteria
2 Miles

4
Hobson County Park
Coastal & Bay Shoreline
40100010  /  18070101
  • Swimming
    • Water Contact Recreation
        Indicator Bacteria
  • Shellfishing
    • Shellfish Harvesting
        Indicator Bacteria
0.1 Miles

4
Hollywood Beach
Coastal & Bay Shoreline
40311000  /  18070103
  • Swimming
    • Water Contact Recreation
        Indicator Bacteria
  • Shellfishing
    • Shellfish Harvesting
        Indicator Bacteria
1.4 Miles

4
La Conchita Beach
Coastal & Bay Shoreline
40100010  /  18070101
  • Swimming
    • Water Contact Recreation
        Indicator Bacteria
  • Shellfishing
    • Shellfish Harvesting
        Indicator Bacteria
1.3 Miles

4
Leo Carillo Beach (South of County Line)
Coastal & Bay Shoreline
40444000  /  18070104
  • Swimming
    • Water Contact Recreation
        Indicator Bacteria
1.8 Miles

4
Lion Canyon and its tributaries
River & Stream
4403.320200  / 
  • Aquatic Life Support
    • Cold Freshwater Habitat
        Benthic Community Effects
56 Miles

4
Little Sycamore Canyon
River & Stream
40445000  /  18070104
  • Secondary Contact
    • Non-Contact Recreation
        pH
  • Swimming
    • Water Contact Recreation
        Manganese, pH
  • Aquatic Life Support
    • Warm Freshwater Habitat
        Alkalinity as CaCO3, Aluminum, Ammonia, Arsenic, Azinphos-methyl (Guthion), Benthic Community Effects, Bifenthrin, Cadmium, Chlorpyrifos, Chromium, Copper, Cyhalothrin, Lambda, Cypermethrin, Deltamethrin, Diazinon, Dichlorvos, Dimethoate, Disulfoton, Dyfonate (Fonofos or Fonophos), Esfenvalerate/Fenvalerate, Ethoprop, Fenpropathrin, Iron, Lead , Malathion, Methidathion, Methyl Parathion, Molinate, Nickel, Oxygen, Dissolved, Parathion, Permethrin, Phorate, Phosmet, Selenium, Silver, Sulfates, Temperature, water, Terbufos, Thiobencarb/Bolero, Toxicity, Zinc, pH
    • Fish Spawning
        Ammonia, Oxygen, Dissolved
4.8 Miles

4
Mandos Cove Beach
Coastal & Bay Shoreline
40100011  /  18070101
  • Swimming
    • Water Contact Recreation
        Indicator Bacteria
  • Shellfishing
    • Shellfish Harvesting
        Indicator Bacteria
0.69 Miles

4
Manhattan Beach
Coastal & Bay Shoreline
40512000  /  18070104
  • Swimming
    • Water Contact Recreation
        Indicator Bacteria
  • Shellfishing
    • Shellfish Harvesting
        Indicator Bacteria
2 Miles

4
Marina Park Beach
Coastal & Bay Shoreline
40311000  /  18070103
  • Swimming
    • Water Contact Recreation
        Indicator Bacteria
  • Shellfishing
    • Shellfish Harvesting
        Indicator Bacteria
0.33 Miles

4
Matilija Creek, North Fork
River & Stream
40220014  /  18070101
  • Swimming
    • Water Contact Recreation
        Indicator Bacteria
  • Drinking Water Supply
    • Municipal & Domestic Supply
        Total Dissolved Solids
  • Aquatic Life Support
    • Cold Freshwater Habitat
        Benthic Community Effects
7.7 Miles

4
McGrath Lake Agricultural Drain
River & Stream
40311000  /  18070103
  • Aquatic Life Support
    • Preservation of Rare & Endangered Species
        Chloride
    • Cold Freshwater Habitat
        Aldrin, Ammonia, Azinphos-methyl (Guthion), Bifenthrin, Chlordane, Chlorpyrifos, Cyfluthrin, Cyhalothrin, Lambda, Cypermethrin, DDT (Dichlorodiphenyltrichloroethane), Dacthal, Deltamethrin, Demeton, Diazinon, Dichlorvos, Dicofol, Dieldrin, Dimethoate, Disulfoton, Endosulfan, Endosulfan sulfate, Endrin, Esfenvalerate/Fenvalerate, Ethoprop, Fenpropathrin, Heptachlor, Heptachlor epoxide, Lindane/gamma Hexachlorocyclohexane (gamma-HCH), Malathion, Methidathion, Methoxychlor, Methyl Parathion, Mirex, Oxygen, Dissolved, Parathion, Permethrin, Phorate, Phosmet, Temperature, water, Toxaphene, pH
0.57 Miles

4
Mussel Shoals Beach
Coastal & Bay Shoreline
40100010  /  18070101
  • Swimming
    • Water Contact Recreation
        Indicator Bacteria
  • Shellfishing
    • Shellfish Harvesting
        Indicator Bacteria
0.39 Miles

4
North Fork San Gabriel River and its Tributaries
River & Stream
4405.430000  / 
  • Aquatic Life Support
    • Cold Freshwater Habitat
        Benthic Community Effects
84 Miles

4
Oil Piers Beach
Coastal & Bay Shoreline
40100010  /  18070101
  • Swimming
    • Water Contact Recreation
        Indicator Bacteria
  • Shellfishing
    • Shellfish Harvesting
        Indicator Bacteria
1.2 Miles

4
Oxnard Beach
Coastal & Bay Shoreline
40311000  /  18070103
  • Swimming
    • Water Contact Recreation
        Indicator Bacteria
1 Miles

4
Oxnard Beach Park
Coastal & Bay Shoreline
40311000  /  18070103
  • Swimming
    • Water Contact Recreation
        Indicator Bacteria
0.65 Miles

4
Piedra Blanca Creek and its Tributaries
River & Stream
4403.320200,4403.420000  / 
  • Aquatic Life Support
    • Cold Freshwater Habitat
        Benthic Community Effects
63 Miles

4
Promenade Park Beach
Coastal & Bay Shoreline
40210000  /  18070101
  • Swimming
    • Water Contact Recreation
        Indicator Bacteria
0.58 Miles

4
Rose Valley Creek
River & Stream
40332020  /  18070102
  • Secondary Contact
    • Non-Contact Recreation
        pH
  • Swimming
    • Water Contact Recreation
        pH
  • Aquatic Life Support
    • Warm Freshwater Habitat
        Alkalinity as CaCO3, Aluminum, Ammonia, Arsenic, Bifenthrin, Cadmium, Chromium, Copper, Cyhalothrin, Lambda, Cypermethrin, Deltamethrin, Esfenvalerate/Fenvalerate, Fenpropathrin, Iron, Lead , Nickel, Nitrate/Nitrite (Nitrite + Nitrate as N), Oxygen, Dissolved, Permethrin, Selenium, Silver, Sulfates, Temperature, water, Total Dissolved Solids, Zinc, pH
    • Marine Habitat
        Arsenic, Bifenthrin, Cadmium, Copper, Cypermethrin, Lead , Nickel, Permethrin, Selenium, Silver, Zinc, pH
    • Estuarine Habitat
        Arsenic, Bifenthrin, Cadmium, Chromium, Copper, Cypermethrin, Lead , Nickel, Permethrin, Selenium, Silver, Zinc
    • Fish Spawning
        Ammonia, Oxygen, Dissolved
    • Cold Freshwater Habitat
        Alkalinity as CaCO3, Aluminum, Ammonia, Arsenic, Benthic Community Effects, Bifenthrin, Cadmium, Chromium, Copper, Cyhalothrin, Lambda, Cypermethrin, Deltamethrin, Esfenvalerate/Fenvalerate, Fenpropathrin, Iron, Lead , Nickel, Nitrate/Nitrite (Nitrite + Nitrate as N), Oxygen, Dissolved, Permethrin, Selenium, Silver, Sulfates, Temperature, water, Total Dissolved Solids, Toxicity, Zinc, pH
  • Fish Consumption
    • Commercial or recreational collection of fish, shellfish, or organisms
        Manganese, Nickel, Selenium
2.6 Miles

4
San Gabriel River, North Fork
River & Stream
40543000  /  18070106
  • Aquatic Life Support
    • Cold Freshwater Habitat
        Benthic Community Effects
10 Miles

4
Santa Ana Creek, North Fork
River & Stream
40220030  /  18070101
  • Secondary Contact
    • Non-Contact Recreation
        pH
  • Swimming
    • Water Contact Recreation
        pH
  • Drinking Water Supply
    • Municipal & Domestic Supply
        Aluminum, Ammonia, Arsenic, Cadmium, Chromium, Copper, Iron, Lead , Manganese, Nickel, Nitrate/Nitrite (Nitrite + Nitrate as N), Selenium, Silver, Specific Conductivity, Sulfates, Total Dissolved Solids, pH
  • Aquatic Life Support
    • Warm Freshwater Habitat
        Alkalinity as CaCO3, Aluminum, Ammonia, Arsenic, Bifenthrin, Cadmium, Chromium, Copper, Cyhalothrin, Lambda, Cypermethrin, Deltamethrin, Esfenvalerate/Fenvalerate, Fenpropathrin, Iron, Lead , Nickel, Nitrate/Nitrite (Nitrite + Nitrate as N), Oxygen, Dissolved, Permethrin, Selenium, Silver, Sulfates, Temperature, water, Total Dissolved Solids, Zinc, pH
    • Fish Spawning
        Ammonia, Oxygen, Dissolved
    • Cold Freshwater Habitat
        Alkalinity as CaCO3, Aluminum, Ammonia, Arsenic, Benthic Community Effects, Bifenthrin, Cadmium, Chromium, Copper, Cyhalothrin, Lambda, Cypermethrin, Deltamethrin, Esfenvalerate/Fenvalerate, Fenpropathrin, Iron, Lead , Nickel, Nitrate/Nitrite (Nitrite + Nitrate as N), Oxygen, Dissolved, Permethrin, Selenium, Silver, Sulfates, Temperature, water, Total Dissolved Solids, Toxicity, Zinc, pH
2.8 Miles

4
Santa Clara River Estuary Beach-Surfers Knoll
Coastal & Bay Shoreline
40311000  /  18070103
  • Swimming
    • Water Contact Recreation
        Indicator Bacteria
  • Shellfishing
    • Shellfish Harvesting
        Indicator Bacteria
1 Miles

4
Santa Paula Creek and its Tributaries
River & Stream
4403.210000,4403.220000  / 
  • Aquatic Life Support
    • Cold Freshwater Habitat
        Benthic Community Effects
103 Miles

4
Seaside Wilderness Park Beach
Coastal & Bay Shoreline
40210011  /  18070101
  • Swimming
    • Water Contact Recreation
        Indicator Bacteria
  • Shellfishing
    • Shellfish Harvesting
        Indicator Bacteria
0.74 Miles

4
Silverstrand Beach
Coastal & Bay Shoreline
40311000  /  18070103
  • Swimming
    • Water Contact Recreation
        Indicator Bacteria
  • Shellfishing
    • Shellfish Harvesting
        Indicator Bacteria
0.98 Miles

4
Sisar Creek and its Tributaries
River & Stream
4403.220000  / 
  • Aquatic Life Support
    • Cold Freshwater Habitat
        Benthic Community Effects
32 Miles

4
Solimar Beach
Coastal & Bay Shoreline
40100011  /  18070101
  • Swimming
    • Water Contact Recreation
        Indicator Bacteria
1.6 Miles

4
South Jetty Beach
Coastal & Bay Shoreline
40311000  /  18070103
  • Swimming
    • Water Contact Recreation
        Indicator Bacteria
  • Shellfishing
    • Shellfish Harvesting
        Indicator Bacteria
0.24 Miles

4
Southern Tributary to Sespe Creek (Between Potrero John Creek and Munson Creek)
River & Stream
4403.320200  / 
  • Aquatic Life Support
    • Cold Freshwater Habitat
        Benthic Community Effects
5.2 Miles

4
Staircase Beach (Leo Carillo Beach, North of County Line)
Coastal & Bay Shoreline
40445000  /  18070104
  • Swimming
    • Water Contact Recreation
        Indicator Bacteria
  • Shellfishing
    • Shellfish Harvesting
        Indicator Bacteria
0.51 Miles

4
Susanna Canyon and East Fork Susanna Canyon
River & Stream
4405.430000  / 
  • Aquatic Life Support
    • Cold Freshwater Habitat
        Benthic Community Effects
4.8 Miles

4
Sycamore Cove Beach
Coastal & Bay Shoreline
40447000  /  18070104
  • Swimming
    • Water Contact Recreation
        Indicator Bacteria
  • Shellfishing
    • Shellfish Harvesting
        Indicator Bacteria
0.32 Miles

4
Thacher Creek and its Tributaries
River & Stream
4402.320001  / 
  • Aquatic Life Support
    • Cold Freshwater Habitat
        Benthic Community Effects
14 Miles

4
Thornhill Broome Beach
Coastal & Bay Shoreline
40447000  /  18070104
  • Swimming
    • Water Contact Recreation
        Indicator Bacteria
  • Shellfishing
    • Shellfish Harvesting
        Indicator Bacteria
1.3 Miles

4
Tributary to East Fork San Gabriel River
River & Stream
4405.430000  / 
  • Aquatic Life Support
    • Cold Freshwater Habitat
        Benthic-Macroinvertebrate Bioassessments
1.4 Miles

4
Tributary to Lockwood Creek
River & Stream
4403.420000  / 
  • Aquatic Life Support
    • Cold Freshwater Habitat
        Benthic-Macroinvertebrate Bioassessments
14 Miles

4
Tributary to North Fork Matilija Creek
River & Stream
4402.200104  / 
  • Aquatic Life Support
    • Cold Freshwater Habitat
        Benthic Community Effects
7.2 Miles

4
Tributary to South Fork Santa Clara River
River & Stream
4403.510000  / 
  • Aquatic Life Support
    • Warm Freshwater Habitat
        Benthic Community Effects
10 Miles

4
Upper North Fork Matilija Creek and its tributaries
River & Stream
4402.200102,4402.200103  / 
  • Aquatic Life Support
    • Cold Freshwater Habitat
        Benthic Community Effects
53 Miles

4
West Fork Coyote Creek and its Tributaries
River & Stream
4402.200301  / 
  • Aquatic Life Support
    • Cold Freshwater Habitat
        Benthic Community Effects
11 Miles

4
West Fork San Gabriel River and its Tributaries
River & Stream
4405.430000  / 
  • Aquatic Life Support
    • Cold Freshwater Habitat
        Benthic Community Effects
26 Miles

4
Westlake Creek
River & Stream
40425000  /  18070104
  • Aquatic Life Support
    • Warm Freshwater Habitat
        Oxygen, Dissolved, pH
4.3 Miles