Statewide	CATEGORY 4A	Final 2012 Integrated Report (CWA Section 303(d) List / 305(b) Report)
2012 CALIFORNIA LIST OF WATER QUALITY LIMITED SEGMENTS
BEING ADDRESSED BY USEPA APPROVED TMDLS

Category 4A Criteria: 1) A water segment where ALL its 303(d) listings are being addressed; and 2) at least one of those listings is being addressed by a USEPA approved TMDL.

* USGS HUC = US Geological Survey Hydrologic Unit Code. Calwater = State Water Resources Control Board hydrological subunit area or even smaller planning watershed.

** "Addressed By" is defined as: B = Being addressed by USEPA approved TMDL and C = Being addressed by action(s) other than a TMDL

REGION	WATER BODY NAME	WATER TYPE	WATERSHED* CALWATER / USGS HUC	POLLUTANT POTENTIAL SOURCES Relevant Notes	ESTIMATED AREA ASSESSED	FIRST YEAR LISTED	ADDRESSED BY**	USEPA TMDL APPROVAL DATE
1	Cape Mendocino HU, Mattole River HA, Mattole River Watershed	River & Stream	1112.300101,1112.300103,1112.300202,1112.300301,1112.300402,1112.300502,1112.300503,1112.300504,1112.300601,1112.300701  /  18010108	Sedimentation/Siltation Flow Alteration/Regulation/Modification Grazing-Related Sources Logging Road Construction/Maintenance Natural Sources Removal of Riparian Vegetation Road Construction Silviculture	694 Miles	1994	B	2003
				Temperature, water Flow Alteration/Regulation/Modification Removal of Riparian Vegetation	694 Miles	1996	B	2003
1	Eel River HU, Middle Fork HA, Wilderness and Black Butte HSAs	River & Stream	1111.710306,1111.710307,1111.730101,1111.730102,1111.730103,1111.730201,1111.730300,1111.730401,1111.730402,1111.730404  /  18010103	Temperature, water Flow Alteration/Regulation/Modification Nonpoint Source Removal of Riparian Vegetation	2152 Miles	1994	B	2003
1	Eel River HU, North Fork HA, Lower North Fork Eel River Watershed	River & Stream	1111.420402,1111.500101,1111.500102,1111.500104,1111.500203,1111.500601,1111.500602,1111.500603,1111.500605,1111.500607  /  18010104	Sedimentation/Siltation Erosion/Siltation Flow Alteration/Regulation/Modification Logging Road Construction/Maintenance Nonpoint Source Removal of Riparian Vegetation Silviculture	606 Miles	1994	B	2002
				Temperature, water Flow Alteration/Regulation/Modification Removal of Riparian Vegetation	606 Miles	1996	B	2002
				The Lower North Fork Eel River Watershed is the area that drains into the North Fork Eel River south of the Six Rivers National Forest boundary with the River.
1	Eel River HU, North Fork HA, Upper North Fork Eel River Watershed	River & Stream	1111.220103,1111.420503,1111.500302,1111.500303,1111.500304,1111.500401,1111.500403,1111.500404,1111.500501,1111.500502  /  18010105	Temperature, water Flow Alteration/Regulation/Modification Removal of Riparian Vegetation Source Unknown	1034 Miles	1994	B	2002
				The Upper North Fork Eel River Watershed is the area of the North Fork Eel River Watershed that drains to the North Fork Eel River north of the Six Rivers National Forest boundary with the River.
1	Eel River HU, Upper Main HA (Includes Tomki Creek)	River & Stream	1111.630201,1111.630202,1111.630203,1111.630401,1111.630501,1111.630502,1111.630503,1111.630603,1111.630704,1111.630706  /  18010110	Sedimentation/Siltation Agriculture-grazing Construction/Land Development Erosion/Siltation Flow Alteration/Regulation/Modification Harvesting, Restoration, Residue Management Highway/Road/Bridge Construction Logging Road Construction/Maintenance Removal of Riparian Vegetation Silvicultural Point Sources Silviculture Streambank Modification/Destabilization	3298 Miles	1994	B	2004
				Temperature, water Flow Alteration/Regulation/Modification Removal of Riparian Vegetation	3298 Miles	1996	B	2004
1	Eel River HU, Van Duzen River HA	River & Stream	1111.130101,1111.220401,1111.220403,1111.220501,1111.220505,1111.220604,1111.230102,1111.230104,1111.230201,1111.230204  /  18010105	Sedimentation/Siltation Channel Erosion Construction/Land Development Erosion/Siltation Flow Alteration/Regulation/Modification Habitat Modification Harvesting, Restoration, Residue Management Logging Road Construction/Maintenance Natural Sources Removal of Riparian Vegetation Silvicultural Point Sources Silviculture Streambank Modification/Destabilization	1294 Miles	1994	B	1999
1	Klamath River HU, Middle HA, Oregon to Iron Gate	River & Stream	1105.370203,1105.380101,1105.380102,1105.380103,1105.380104,1105.380105,1105.380201,1105.380202,1105.810203,1105.810400  /  18010205	Cyanobacteria hepatotoxic microcystins Agriculture Drainage/Filling Of Wetlands Grazing-Related Sources Irrigated Crop Production Logging Road Construction/Maintenance Road Construction Silviculture	426 Miles	2006	B	2010
				This listing applies to the mainstem Klamath River in the Klamath River Hydrologic Unit, Middle Klamath River Hydrologic Area, Oregon to Iron Gate reach, excluding the riverine reach from the Oregon border downstream to the beginning of Copco 1 Reservoir.
				Nutrients Agriculture Drainage/Filling Of Wetlands Grazing-Related Sources Irrigated Crop Production Logging Road Construction/Maintenance Nonpoint Source Road Construction Silviculture	426 Miles	1996	B	2010
				Organic Enrichment/Low Dissolved Oxygen Agriculture Drainage/Filling Of Wetlands Grazing-Related Sources Irrigated Crop Production Logging Road Construction/Maintenance Road Construction Silviculture	426 Miles	1998	B	2010
				This listing only applies to the mainstem Klamath River within the Klamath River HU, Middle HA, Oregon to Iron Gate water body.
				Temperature, water Flow Alteration/Regulation/Modification Grazing-Related Sources Irrigated Crop Production Logging Road Construction/Maintenance Other Removal of Riparian Vegetation Road Construction Sediment Resuspension (clean sediment) Silviculture	426 Miles	1996	B	2010
				The Klamath River HU, Middle HA, Oregon to Iron Gate Dam includes the following Hydrologic Sub Areas (HSAs): Iron Gate HSA 115.37 and Copco HSA 105.38.
1	Klamath River HU, Salmon River HA	River & Stream	1105.210101,1105.230103,1105.230305,1105.230402,1105.240202,1105.240403,1105.240405,1105.240502,1105.240603,1105.240604  /  18010211	Temperature, water Erosion/Siltation Flow Alteration/Regulation/Modification Logging Road Construction/Maintenance Mine Tailings Removal of Riparian Vegetation Silviculture	1984 Miles	1996	B	2006
				This listing does not apply to the following streams, which lie within the Klamath River HU, Salmon River HA water body : (1) Uncles Creek and its Tributaries; (2) Plummer Creek and its tributaries; (3) the North Fork Salmon River and its Tributaries from the confluence with the Right Hand Fork of the North Fork to the downstream boundary of the Marble Mountain Wilderness; (4) Right Hand Fork of the North Fork Salmon River and its tributaries; (5) the North Fork Salmon River and its Tributaries from the headwaters to the confluence with the Right Hand Fork of the North Fork; (6) and the South Fork Salmon River from the headwaters to the confluence with Garden Gulch.
1	Klamath River HU, Salmon River HA, Wooley Creek HSA	River & Stream	1105.210304,1105.220103,1105.220104,1105.220201,1105.220202,1105.220203,1105.220301,1105.220302,1105.220303,1105.310703  /  18010210	Temperature, water Erosion/Siltation Flow Alteration/Regulation/Modification Removal of Riparian Vegetation	487 Miles	1996	B	2006
				This listing does not apply to the following streams, which lie within the Klamath River HU, Salmon River HA, Wooley Creek HSA water body: (1) Wooley Creek and its tributaries from the head waters to the confluence with the North Fork Wooley Creek, (2) Wooley Creek and its Tributaries from the confluence of the North Fork Wooley Creek to Haypress Creek, (3) North Fork Wooley Creek and its Tributaries.
1	Klamath River HU, Tule Lake and Lower Klamath Lake National Wildlife Refuge	Lake & Reservoir	10590000  /  18010204	pH (high) Internal Nutrient Cycling (primarily lakes) Nonpoint Source	26998 Acres	2006	B	2013
				The Klamath River HU, Tule Lake and Lower Klamath Lake National Wildlife Refuge includes the following Calwater Planning Watersheds (PWS): Lower Klamath Lake National Wildlife Refuge PWS 105.91020 and Tule Lake PWS 105.92020.
1	Mendocino Coast HU, Navarro River HA	River & Stream	1113.500104,1113.500201,1113.500303,1113.500304,1113.500401,1113.500404,1113.500603,1113.500703,1113.500706,1113.500707  /  18010109	Sedimentation/Siltation Agriculture Agriculture-grazing Channel Erosion Construction/Land Development Disturbed Sites (Land Develop.) Drainage/Filling Of Wetlands Erosion/Siltation Flow Alteration/Regulation/Modification Habitat Modification Harvesting, Restoration, Residue Management Highway/Road/Bridge Construction Irrigated Crop Production Land Development Logging Road Construction/Maintenance Nonirrigated Crop Production Nonpoint Source Range Grazing-Riparian Range Grazing-Riparian and/or Upland Range Grazing-Upland Removal of Riparian Vegetation Resource Extraction Silvicultural Point Sources Silviculture Specialty Crop Production Streambank Modification/Destabilization Water Diversions	786 Miles	1994	B	2000
				Temperature, water Agricultural Return Flows Agriculture Drainage/Filling Of Wetlands Flow Alteration/Regulation/Modification Habitat Modification Nonpoint Source Removal of Riparian Vegetation Resource Extraction Streambank Modification/Destabilization Water Diversions	786 Miles	1996	B	2000
1	Mendocino Coast HU, Navarro River HA, Delta	Estuary	11350077  /  18010108	Sedimentation/Siltation Erosion/Siltation Flow Alteration/Regulation/Modification Removal of Riparian Vegetation	48 Acres	2012	B	2000
1	Trinity River HU, Lower Trinity HA	River & Stream	1106.110201,1106.110203,1106.110401,1106.110402,1106.130103,1106.140105,1106.150103,1106.150205,1106.150401,1106.150702  /  18010212	Sedimentation/Siltation Channel Erosion Dam Construction Drainage/Filling Of Wetlands Erosion/Siltation Flow Alteration/Regulation/Modification Habitat Modification Harvesting, Restoration, Residue Management Hydromodification Logging Road Construction/Maintenance Mine Tailings Natural Sources Removal of Riparian Vegetation Resource Extraction Silvicultural Point Sources Silviculture Streambank Modification/Destabilization Surface Mining Upstream Impoundment	3931 Miles	1994	B	2001
				This listing does not apply to the following water bodies, which lie within the Trinity River HU, Lower Trinity HA: the New River and its tributaries, Big French Creek and its tributaries, the North Fork Trinity River and its tributaries, including the East Fork North Fork Trinity River and its tributaries, and Manzanita Creek and its tributaries.
1	Trinity River HU, Middle HA	River & Stream	1106.150702,1106.310101,1106.310103,1106.310105,1106.310302,1106.310502,1106.310604,1106.320002,1106.320004,1106.401003  /  18010211	Sedimentation/Siltation Channel Erosion Dam Construction Erosion/Siltation Flow Alteration/Regulation/Modification Harvesting, Restoration, Residue Management Hydromodification Logging Road Construction/Maintenance Mine Tailings Placer Mining Removal of Riparian Vegetation Resource Extraction Silvicultural Point Sources Silviculture Streambank Modification/Destabilization Upstream Impoundment	1222 Miles	1994	B	2001
1	Trinity River HU, Upper HA	River & Stream	1106.400701,1106.400703,1106.400705,1106.400706,1106.400805,1106.400807,1106.400808,1106.400907,1106.401001,1106.401003  /  18010211	Sedimentation/Siltation Channel Erosion Dam Construction Erosion/Siltation Flow Alteration/Regulation/Modification Habitat Modification Harvesting, Restoration, Residue Management Hydromodification Logging Road Construction/Maintenance Mine Tailings Natural Sources Nonpoint Source Placer Mining Removal of Riparian Vegetation Resource Extraction Silviculture Streambank Modification/Destabilization Surface Mining	1961 Miles	1994	B	2001
				This listing does not apply to the Stuart Fork and its tributaries, which lie within the Trinity River HU, Upper HA water body.
2	Alameda Creek	River & Stream	20430051  /  18050003	Diazinon Urban Runoff/Storm Sewers	39 Miles	1998	B	2007
				This listing was made by USEPA for the 1998 303(d) list. For 2006, diazinon was moved by USEPA from the 303(d) list to this being addressed list because of a completed USEPA approved TMDL.
2	Arroyo Corte Madera Del Presidio	River & Stream	20320020  /  18050002	Diazinon Urban Runoff/Storm Sewers	4 Miles	1998	B	2007
				This listing was made by USEPA for the 1998 303(d) list. For 2006, diazinon was moved by USEPA from the 303(d) list to this being addressed list because of a completed USEPA approved TMDL.
2	Arroyo De La Laguna	River & Stream	20430084  /  18050004	Diazinon Urban Runoff/Storm Sewers	7.4 Miles	1998	B	2007
				This listing was made by USEPA for the 1998 303(d) list. For 2006, diazinon was moved by USEPA from the 303(d) list to this being addressed list because of a completed USEPA approved TMDL.
2	Arroyo Del Valle	River & Stream	20430023  /  18050004	Diazinon Urban Runoff/Storm Sewers	31 Miles	1998	B	2007
				This listing was made by USEPA for the 1998 303(d) list. For 2006, diazinon was moved by USEPA from the 303(d) list to this being addressed list because of a completed USEPA approved TMDL.
2	Calabazas Creek	River & Stream	20640012  /  18050002	Diazinon Urban Runoff/Storm Sewers	4.7 Miles	1998	B	2007
				This listing was made by USEPA for the 1998 303(d) list. For 2006, diazinon was moved by USEPA from the 303(d) list to this being addressed list because of a completed USEPA approved TMDL.
2	Corte Madera Creek	River & Stream	20320011  /  18050002	Diazinon Urban Runoff/Storm Sewers	4.1 Miles	1998	B	2007
				This listing was made by USEPA for the 1998 303(d) list. For 2006, diazinon was moved by USEPA from the 303(d) list to this being addressed list because of a completed USEPA approved TMDL.
2	Coyote Creek (Marin County)	River & Stream	20320020  /  18050002	Diazinon Urban Runoff/Storm Sewers	2.6 Miles	1998	B	2007
				This listing was made by USEPA for the 1998 303(d) list. For 2006, diazinon was moved by USEPA from the 303(d) list to this being addressed list because of a completed USEPA approved TMDL.
2	Gallinas Creek	River & Stream	20620013  /  18050002	Diazinon Source Unknown	2.1 Miles	1998	B	2007
				This listing was made by USEPA for the 1998 303(d) list. For 2006, diazinon was moved by USEPA from the 303(d) list to this being addressed list because of a completed USEPA approved TMDL.
2	Laurel Creek (Solano Co)	River & Stream	20440040  /  18050004	Diazinon Source Unknown	3 Miles	1998	B	2007
				This listing was made by USEPA for the 1998 303(d) list. For 2006, diazinon was moved by USEPA from the 303(d) list to this being addressed list because of a completed USEPA approved TMDL.
2	Ledgewood Creek	River & Stream	20723010  /  18050001	Diazinon Source Unknown	12 Miles	1998	B	2007
				This listing was made by USEPA for the 1998 303(d) list. For 2006, diazinon was moved by USEPA from the 303(d) list to this being addressed list because of a completed USEPA approved TMDL.
2	Los Gatos Creek (R2)	River & Stream	20540011  /  18050003	Diazinon Source Unknown	19 Miles	1998	B	2007
				This listing was made by USEPA for the 1998 303(d) list. For 2006, diazinon was moved by USEPA from the 303(d) list to this being addressed list because of a completed USEPA approved TMDL.
2	Miller Creek	River & Stream	20620012  /  18050005	Diazinon Urban Runoff/Storm Sewers	9 Miles	1998	B	2007
				This listing was made by USEPA for the 1998 303(d) list. For 2006, diazinon was moved by USEPA from the 303(d) list to this being addressed list because of a completed USEPA approved TMDL.
2	Novato Creek	River & Stream	20620010  /  18050002	Diazinon Source Unknown	17 Miles	1998	B	2007
				This listing was made by USEPA for the 1998 303(d) list. For 2006, diazinon was moved by USEPA from the 303(d) list to this being addressed list because of a completed USEPA approved TMDL.
2	Olema Creek	River & Stream	20113030  /  18050005	Pathogens Source Unknown	11 Miles	2006	B	2007
				For 2006, this listing was added by USEPA to this being addressed list because of a completed USEPA approved TMDL.
2	Pine Creek (Contra Costa Co)	River & Stream	20731011  /  18050001	Diazinon Source Unknown	13 Miles	2002	B	2007
				This listing was made by USEPA for the 1998 303(d) list. For 2006, diazinon was moved by USEPA from the 303(d) list to this being addressed list because of a completed USEPA approved TMDL.
2	Pinole Creek	River & Stream	20660020  /  18050002	Diazinon Source Unknown	9.2 Miles	1998	B	2007
				This listing was made by USEPA for the 1998 303(d) list. For 2006, diazinon was moved by USEPA from the 303(d) list to this being addressed list because of a completed USEPA approved TMDL.
2	Rodeo Creek (Contra Costa County)	River & Stream	20660022  /  18050001	Diazinon Source Unknown	8 Miles	1998	B	2007
				This listing was made by USEPA for the 1998 303(d) list. For 2006, diazinon was moved by USEPA from the 303(d) list to this being addressed list because of a completed USEPA approved TMDL.
2	San Antonio Creek (Marin/Sonoma Co)	River & Stream	20630031  /  18050002	Diazinon Urban Runoff/Storm Sewers	18 Miles	1998	B	2007
				This listing was made by USEPA for the 1998 303(d) list. For 2006, diazinon was moved by USEPA from the 303(d) list to this being addressed list because of a completed USEPA approved TMDL.
2	San Felipe Creek	River & Stream	20530041  /  18050003	Diazinon Urban Runoff/Storm Sewers	15 Miles	1998	B	2007
				This listing was made by USEPA for the 1998 303(d) list. For 2006, diazinon was moved by USEPA from the 303(d) list to this being addressed list because of a completed USEPA approved TMDL.
2	San Lorenzo Creek	River & Stream	20420023  /  18050004	Diazinon Source Unknown	11 Miles	1998	B	2007
				This listing was made by USEPA for the 1998 303(d) list. For 2006, diazinon was moved by USEPA from the 303(d) list to this being addressed list because of a completed USEPA approved TMDL.
2	San Rafael Creek	River & Stream	20320012  /  18050002	Diazinon Source Unknown	3.6 Miles	1998	B	2007
				This listing was made by USEPA for the 1998 303(d) list. For 2006, diazinon was moved by USEPA from the 303(d) list to this being addressed list because of a completed USEPA approved TMDL.
2	Suisun Slough	Estuary	20723000  /  18050001	Diazinon Source Unknown	1124 Acres	1998	B	2007
				This listing was made by USEPA for the 1998 303(d) list. For 2006, diazinon was moved by USEPA from the 303(d) list to this being addressed list because of a completed USEPA approved TMDL.
2	Walnut Creek	River & Stream	20731040  /  18050001	Diazinon Source Unknown	9 Miles	1998	B	2007
				This listing was made by USEPA for the 1998 303(d) list. For 2006, diazinon was moved by USEPA from the 303(d) list to this being addressed list because of a completed USEPA approved TMDL.
2	Wildcat Creek	River & Stream	20660013  /  18050002	Diazinon Source Unknown	12 Miles	1998	B	2007
				This listing was made by USEPA for the 1998 303(d) list. For 2006, diazinon was moved by USEPA from the 303(d) list to this being addressed list because of a completed USEPA approved TMDL.
3	Bean Creek	River & Stream	30412041  /  18060001	Sedimentation/Siltation Source Unknown	8.9 Miles	2002	B	2004
3	Bear Creek(Santa Cruz County)	River & Stream	30412030  /  18060001	Sedimentation/Siltation Source Unknown	6.3 Miles	2002	B	2004
3	Boulder Creek	River & Stream	30412020  /  18060001	Sedimentation/Siltation Source Unknown	7.6 Miles	2002	B	2004
3	Chorro Creek	River & Stream	31022012  /  18060006	Escherichia coli (E. coli) Source Unknown	14 Miles	2010	B	2004
				Fecal Coliform Source Unknown	14 Miles	2002	B	2004
				Nutrients Source Unknown	14 Miles	1998	B	2007
				Sedimentation/Siltation Source Unknown	14 Miles	1990	B	2004
3	Clear Creek (San Benito County)	River & Stream	30550013  /  18060002	Mercury Source Unknown	9.6 Miles	1998	B	2004
				For 2006, mercury was moved by USEPA from the 303(d) list to this being addressed list because of a completed USEPA approved TMDL.
3	Dairy Creek	River & Stream	31022010  /  18060006	Fecal Coliform Confined Animal Feeding Operations (NPS)	4.5 Miles	2002	B	2004
				For 2006, fecal coliform was moved by USEPA from the being addressed list back to the 303(d) list pending completion and USEPA approval of a TMDL.
				Low Dissolved Oxygen Source Unknown	4.5 Miles	2002	B	2004
3	Fall Creek	River & Stream	30412022  /  18060001	Sedimentation/Siltation Source Unknown	5.1 Miles	2002	B	2004
3	Gallighan Slough	River & Stream	30510030  /  18060002	Pathogens Source Unknown	3 Miles	2010	B	2007
3	Hanson Slough	River & Stream	30510030  /  18060002	Pathogens Source Unknown	1.1 Miles	2010	B	2007
3	Hernandez Reservoir	Lake & Reservoir	30550016  /  18060002	Mercury Source Unknown	626 Acres	1998	B	2004
				For 2006, mercury was moved by USEPA from the 303(d) list to this being addressed list because of a completed USEPA approved TMDL.
3	Kings Creek	River & Stream	30412011  /  18060001	Sedimentation/Siltation Source Unknown	4.4 Miles	2002	B	2004
3	Rider Creek	River & Stream	30510010  /  18060002	Sedimentation/Siltation Source Unknown	1.8 Miles	1992	B	2007
3	Shingle Mill Creek	River & Stream	30412022  /  18060001	Nutrients Source Unknown	1.6 Miles	1994	B	2003
				Sedimentation/Siltation Source Unknown	1.6 Miles	1992	B	2003
4	Brown Barranca/Long Canyon	River & Stream	40321000  /  18070103	Nitrate and Nitrite Agriculture-storm runoff Atmospheric Deposition Groundwater Loadings Groundwater Withdrawal Irrigated Crop Production Major Municipal Point Source-dry and/or wet weather discharge Onsite Wastewater Systems (Septic Tanks)	2.6 Miles	1998	B	2004
4	Calleguas Creek Reach 1 (was Mugu Lagoon on 1998 303(d) list)	Estuary	40311000  /  18070103	Chlordane (tissue) Nonpoint Source	344 Acres	1992	B	2005
				Copper Nonpoint Source Point Source	344 Acres	1996	B	2007
				DDT (tissue & sediment) Nonpoint Source	344 Acres	1992	B	2005
				Dieldrin Source Unknown	344 Acres	2006	B	2006
				Endosulfan (tissue) Agriculture-storm runoff	344 Acres	2006	B	2006
				Mercury Nonpoint Source Point Source	344 Acres	1996	B	2007
				Nickel Nonpoint Source Point Source	344 Acres	1996	B	2007
				Nitrogen Nonpoint Source Point Source	344 Acres	1996	B	2003
				PCBs (Polychlorinated biphenyls) (tissue) Nonpoint Source Point Source	344 Acres	1996	B	2005
				Sediment Toxicity Nonpoint Source Point Source	344 Acres	1996	B	2005
				Sedimentation/Siltation Agriculture Natural Sources	344 Acres	1992	B	2007
				Toxaphene Source Unknown	344 Acres	2006	B	2006
				Zinc Source Unknown	344 Acres	1996	B	2007
4	Calleguas Creek Reach 12 (was Conejo Creek/Arroyo Conejo North Fork on 1998 303d list)	River & Stream	40364000  /  18070103	Ammonia Nonpoint Source Point Source	5.5 Miles	1996	B	2003
				Chlordane (tissue) Nonpoint Source	5.5 Miles	1996	B	2006
				DDT (tissue) Nonpoint Source	5.5 Miles	1996	B	2006
				Dieldrin Source Unknown	5.5 Miles	2006	B	2006
				PCBs (Polychlorinated biphenyls) Source Unknown	5.5 Miles	1996	B	2006
				Sulfates Atmospheric Deposition Domestic Use of Ground Water Groundwater Loadings Irrigated Crop Production Major Municipal Point Source-dry weather discharge Surface Runoff	5.5 Miles	2002	B	2008
				Total Dissolved Solids Atmospheric Deposition Domestic Use of Ground Water Groundwater Loadings Irrigated Crop Production Major Municipal Point Source-dry weather discharge Surface Runoff	5.5 Miles	2002	B	2008
				Toxaphene Source Unknown	5.5 Miles	1988	B	2006
4	Calleguas Creek Reach 13 (Conejo Creek South Fork, was Conejo Cr Reach 4 and part of Reach 3 on 1998 303d list)	River & Stream	40368000  /  18070104	Ammonia Nonpoint Source Point Source	17 Miles	1996	B	2003
				ChemA (tissue) Agriculture-storm runoff	17 Miles	1996	B	2006
				Chlordane Source Unknown	17 Miles	1996	B	2006
				Chloride Atmospheric Deposition Domestic Use of Ground Water Groundwater Loadings Irrigated Crop Production Major Municipal Point Source-dry weather discharge Surface Runoff	17 Miles	2002	B	2008
				DDT (tissue) Nonpoint Source	17 Miles	1996	B	2005
				Dieldrin Source Unknown	17 Miles	2006	B	2006
				Endosulfan (tissue) Agriculture-storm runoff	17 Miles	2006	B	2006
				PCBs (Polychlorinated biphenyls) Source Unknown	17 Miles	1996	B	2006
				Sulfates Atmospheric Deposition Domestic Use of Ground Water Groundwater Loadings Irrigated Crop Production Major Municipal Point Source-dry weather discharge Surface Runoff	17 Miles	2002	B	2008
				Total Dissolved Solids Atmospheric Deposition Domestic Use of Ground Water Groundwater Loadings Irrigated Crop Production Major Municipal Point Source-dry weather discharge Surface Runoff	17 Miles	2002	B	2008
				Toxaphene (tissue & sediment) Nonpoint Source	17 Miles	1988	B	2006
				Toxicity Nonpoint Source Point Source	17 Miles	1996	B	2006
4	Channel Islands Harbor Beach	Coastal & Bay Shoreline	40311000  /  18070103	Indicator Bacteria Major Municipal Point Source-wet weather discharge Natural Sources Unknown Nonpoint Source	0.03 Miles	2002	B	2008
4	Dan Blocker Memorial (Coral) Beach	Coastal & Bay Shoreline	40431000  /  18070104	Coliform Bacteria Nonpoint Source	2.1 Miles	1998	B	2002
				(This listing includes the area of the beach at Latigo Beach and Solstice Canyon.)
4	Dockweiler Beach	Coastal & Bay Shoreline	40512000  /  18070104	Indicator Bacteria Nonpoint Source	4.6 Miles	1998	B	2003
4	Duck Pond Agricultural Drains/Mugu Drain/Oxnard Drain No 2	River & Stream	40311000  /  18070103	ChemA (tissue) Nonpoint Source	12 Miles	1996	B	2006
				Chlordane (tissue) Nonpoint Source	12 Miles	1996	B	2006
				DDT (tissue & sediment) Nonpoint Source	12 Miles	1996	B	2006
				Nitrogen Nonpoint Source	12 Miles	1996	B	2003
				Sediment Toxicity Nonpoint Source	12 Miles	1996	B	2006
				Toxaphene (tissue) Nonpoint Source	12 Miles	1996	B	2006
				Toxicity Nonpoint Source	12 Miles	1996	B	2005
4	Fox Barranca (tributary to Calleguas Creek Reach 6)	River & Stream	40362000  /  18070103	Boron Other	6.7 Miles	1998	B	2008
				Nitrate and Nitrite Nonpoint Source	6.7 Miles	1998	B	2003
				Sulfates Other	6.7 Miles	1998	B	2008
				Total Dissolved Solids Other	6.7 Miles	1998	B	2008
4	Hermosa Beach	Coastal & Bay Shoreline	40512000  /  18070104	Indicator Bacteria Nonpoint Source	2 Miles	1998	B	2003
4	Hobie Beach (Channel Islands Harbor)	Coastal & Bay Shoreline	40311000  /  18070103	Indicator Bacteria Natural Sources Nonpoint Source Urban Runoff/Storm Sewers	0.1 Miles	2002	B	2008
4	Leo Carillo Beach (South of County Line)	Coastal & Bay Shoreline	40444000  /  18070104	Coliform Bacteria Nonpoint Source	1.8 Miles	1998	B	2003
4	Los Angeles River Reach 3 (Figueroa St. to Riverside Dr.)	River & Stream	40521000  /  18070104	Ammonia Nonpoint Source Point Source	7.9 Miles	1996	B	2004
				Copper Source Unknown	7.9 Miles	2006	B	2005
				Lead Source Unknown	7.9 Miles	2006	B	2005
				Nutrients (Algae) Nonpoint Source Point Source	7.9 Miles	1996	B	2004
				Trash Nonpoint Source Surface Runoff Urban Runoff/Storm Sewers	7.9 Miles	1996	B	2008
4	Lunada Bay Beach	Coastal & Bay Shoreline	40511000  /  18070104	Indicator Bacteria Nonpoint Source	0.63 Miles	1998	B	2003
4	Malibou Lake	Lake & Reservoir	40424000  /  18070104	Algae Agriculture-animal Atmospheric Deposition Golf course activities Groundwater Loadings Irrigated Crop Production Major Municipal Point Source-dry and/or wet weather discharge Onsite Wastewater Systems (Septic Tanks) Urban Runoff/Storm Sewers	40 Acres	1996	B	2003
				Eutrophic Agriculture-animal Atmospheric Deposition Golf course activities Groundwater Loadings Irrigated Crop Production Major Municipal Point Source-dry and/or wet weather discharge Onsite Wastewater Systems (Septic Tanks) Urban Runoff/Storm Sewers	40 Acres	1996	B	2003
				Organic Enrichment/Low Dissolved Oxygen Agriculture-animal Atmospheric Deposition Golf course activities Groundwater Loadings Irrigated Crop Production Major Municipal Point Source-dry and/or wet weather discharge Onsite Wastewater Systems (Septic Tanks) Urban Runoff/Storm Sewers	40 Acres	1998	B	2003
4	Manhattan Beach	Coastal & Bay Shoreline	40512000  /  18070104	Indicator Bacteria Nonpoint Source	2 Miles	1998	B	2003
4	Marina del Rey Harbor Beach	Coastal & Bay Shoreline	40517000  /  18070104	Indicator Bacteria Nonpoint Source	0.29 Miles	1998	B	2004
4	McGrath Beach	Coastal & Bay Shoreline	40311000  /  18070103	Coliform Bacteria Nonpoint Source	1.7 Miles	1996	B	2003
4	Mint Canyon Creek Reach 1 (Confl to Rowler Cyn)	River & Stream	40351000  /  18070102	Nitrate and Nitrite Agriculture-storm runoff Atmospheric Deposition Groundwater Loadings Groundwater Withdrawal Irrigated Crop Production Major Municipal Point Source-dry and/or wet weather discharge Onsite Wastewater Systems (Septic Tanks)	8.1 Miles	1998	B	2004
4	Monrovia Canyon Creek	River & Stream	40531000  /  18070105	Lead Nonpoint Source	3.4 Miles	1996	B	2005
4	Palo Comado Creek	River & Stream	40423000  /  18070104	Coliform Bacteria Nonpoint Source	6.8 Miles	1996	B	2006
4	Point Vicente Beach	Coastal & Bay Shoreline	40511000  /  18070104	Indicator Bacteria Nonpoint Source	0.63 Miles	1994	B	2003
4	Resort Point Beach	Coastal & Bay Shoreline	40511000  /  18070104	Indicator Bacteria Nonpoint Source	0.15 Miles	1998	B	2003
4	San Gabriel River, East Fork	River & Stream	40543000  /  18070106	Trash Nonpoint Source	5.9 Miles	1996	B	2000
4	Santa Monica Beach	Coastal & Bay Shoreline	40513000  /  18070104	Indicator Bacteria Nonpoint Source	3 Miles	1998	B	2003
4	Stokes Creek	River & Stream	40422020  /  18070104	Coliform Bacteria Nonpoint Source	4.7 Miles	1996	B	2006
4	Torrance Beach	Coastal & Bay Shoreline	40512000  /  18070104	Coliform Bacteria Nonpoint Source	1.1 Miles	1998	B	2003
4	Torrey Canyon Creek	River & Stream	40341000  /  18070103	Nitrate and Nitrite Nonpoint Source	1.7 Miles	1998	B	2004
4	Venice Beach	Coastal & Bay Shoreline	40513000  /  18070104	Indicator Bacteria Nonpoint Source	2.5 Miles	2006	B	2003
4	Will Rogers Beach	Coastal & Bay Shoreline	40513000  /  18070104	Indicator Bacteria Nonpoint Source	3 Miles	2006	B	2003
5	Bear Creek (Colusa County)	River & Stream	51320023  /  18020116	Mercury Resource Extraction	15 Miles	2002	B	2007
5	Cache Creek, North Fork (below Indian Valley Reservoir, Lake County)	River & Stream	51340040  /  18020116	Mercury Resource Extraction	14 Miles	2010	B	2007
5	Clear Lake	Lake & Reservoir	51352000  /  18020116	Mercury Resource Extraction	40070 Acres	1988	B	2003
				Nutrients Agriculture Erosion/Siltation Grazing-Related Sources Urban Runoff/Storm Sewers	40070 Acres	1986	B	2007
5	Elk Grove Creek	River & Stream	51911000  /  18020109	Chlorpyrifos Source Unknown	6.9 Miles	1998	B	2004
				Diazinon Source Unknown	6.9 Miles	1998	B	2004
5	Harley Gulch	River & Stream	51332022  /  18020116	Mercury Source Unknown	6 Miles	1992	B	2007
				All resource extraction sources are abandoned mines.
5	Walker Slough (partly in Delta Waterways, eastern portion)	River & Stream	53140000  /  18040002	Pathogens Source Unknown	2.3 Miles	2002	B	2008
6	Bronco Creek	River & Stream	8635.200501,8635.200503  /  16050102	Sedimentation/Siltation Natural Sources Nonpoint Source Silviculture	1.2 Miles	1996	B	2009
6	Gray Creek (Nevada County)	River & Stream	8635.200502  /  16050102	Sedimentation/Siltation Natural Sources Nonpoint Source Silviculture	2.6 Miles	1996	B	2009
6	Indian Creek Reservoir	Lake & Reservoir	8632.200000  /  16050201	Phosphorus Erosion/Siltation Flow Alteration/Regulation/Modification Internal Nutrient Cycling (primarily lakes) Pasture Grazing-Riparian and/or Upland Wastewater	168 Acres	2002	B	2003
				Reservoir is eutrophic. Most significant source of nutrient loading is release of phosphorus from sediment. The USEPA approved the TMDL in 2003. Reductions in internal phosphorus loading from the sediment are expected to ameliorate other problems associated with eutrophication.
6	Squaw Creek	River & Stream	8635.200101  /  16050102	Sedimentation/Siltation Construction/Land Development Drainage/Filling Of Wetlands Highway Maintenance and Runoff Hydromodification Natural Sources Nonpoint Source Other Urban Runoff Recreational and Tourism Activities (non-boating)	8.1 Miles	1998	B	2007
6	Tahoe, Lake	Lake & Reservoir	8634.100301,8634.100302,8634.100401,8634.100402,8634.200101,8634.200102,8634.200103,8634.200105,8634.200201,8634.200202,(Total Count: 16)  /  16050101	Nitrogen Atmospheric Deposition Channel Erosion Channelization Erosion/Siltation Grazing-Related Sources Highway Maintenance and Runoff Highway/Road/Bridge Construction Highway/Road/Bridge Runoff Internal Nutrient Cycling (primarily lakes) Land Development Natural Sources Nonpoint Source Other Urban Runoff Recreational and Tourism Activities (non-boating) Road Construction Sediment Resuspension (clean sediment) Silviculture Streambank Modification/Destabilization Urban Runoff--Erosion and Sedimentation	84092 Acres	2002	B	2011
				Phosphorus Atmospheric Deposition Channel Erosion Erosion/Siltation Grazing-Related Sources Highway Maintenance and Runoff Highway/Road/Bridge Construction Highway/Road/Bridge Runoff Internal Nutrient Cycling (primarily lakes) Land Development Natural Sources Nonpoint Source Other Urban Runoff Recreational and Tourism Activities (non-boating) Sediment Resuspension (clean sediment) Silviculture Streambank Modification/Destabilization Urban Runoff--Erosion and Sedimentation Urban Runoff--Non-industrial Permitted Urban Runoff/Storm Sewers	84092 Acres	2002	B	2011
				Sedimentation/Siltation Atmospheric Deposition Channel Erosion Channelization Erosion/Siltation Grazing-Related Sources Highway/Road/Bridge Construction Highway/Road/Bridge Runoff Hydromodification Land Development Natural Sources Nonpoint Source Other Urban Runoff Recreational and Tourism Activities (non-boating) Removal of Riparian Vegetation Sediment Resuspension (clean sediment) Silviculture Streambank Modification/Destabilization Urban Runoff--Erosion and Sedimentation Urban Runoff/Storm Sewers	84092 Acres	2006	B	2011
6	Truckee River	River & Stream	8634.200103,8635.100003,8635.200101,8635.200102,8635.200103,8635.200202,8635.200402,8635.200501,8635.200502,8635.200504  /  16050101	Sedimentation/Siltation Channel Erosion Construction/Land Development Erosion/Siltation Highway/Road/Bridge Construction Natural Sources Nonpoint Source Range Grazing-Riparian and/or Upland Recreational and Tourism Activities (non-boating) Silviculture Snow skiing activities Streambank Modification/Destabilization	37 Miles	1996	B	2009
9	San Diego Bay, Shelter Island Yacht Basin	Bay & Harbor	90810000  /  18070304	Copper, Dissolved Nonpoint Source Point Source	154 Acres	2002	B	2003