Regional Board 6 - Lahontan Region | CATEGORY 5 | Draft 2008 California 305(b)/303(d) Integrated Report
7/2/09
2008 CALIFORNIA 303(d) LIST OF WATER QUALITY LIMITED SEGMENTS*

REGION | WATER BODY NAME | WATER TYPE | WATERSHED* CALWATER / USGS HUC | POLLUTANT POTENTIAL SOURCES Relevant Notes | ESTIMATED AREA ASSESSED | FIRST YEAR LISTED | TMDL REQUIREMENT STATUS** | DATE***
6 | Blackwood Creek | River & Stream | 63420021 / 1.60501e | Iron Erosion/Siltation Natural Sources Nonpoint Source | 5.9 Miles | 2002 | 5A | 2022
| This listing may be addressed through revision of the water quality objective rather than a TMDL.
| Nitrogen Atmospheric Deposition Erosion/Siltation Hydromodification Natural Sources Nonpoint Source Resource Extraction Silviculture Streambank Modification/Destabilization | 5.9 Miles | 2002 | 5A | 2022
| Phosphorus Erosion/Siltation Grazing-Related Sources Hydromodification Natural Sources Nonpoint Source Resource Extraction Silviculture Streambank Modification/Destabilization | 5.9 Miles | 2002 | 5A | 2022
| Sedimentation/Siltation Atmospheric Deposition Construction/Land Development Erosion/Siltation Hydromodification Natural Sources Nonpoint Source Range Grazing-Riparian and/or Upland Recreational and Tourism Activities (non-boating) Resource Extraction Silviculture Streambank Modification/Destabilization Surface Runoff | 5.9 Miles | 1996 | 5B | 2008
6 | Bodie Creek | River & Stream | 63020031 / 18090101 | Mercury Source Unknown | 11 Miles | 2006 | 5A | 2019
6 | Bridgeport Reservoir | Lake & Reservoir | 63030050 / 1.60503e | Nitrogen Atmospheric Deposition Channel Erosion Erosion/Siltation Flow Regulation/Modification Grazing-Related Sources Highway/Road/Bridge Construction Internal Nutrient Cycling (primarily lakes) Marinas and Recreational Boating Natural Sources Other Urban Runoff Pasture Grazing-Riparian and/or Upland Recreational and Tourism Activities (non-boating) Removal of Riparian Vegetation Sediment Resuspension Streambank Modification/Destabilization Wastewater - land disposal | 2614 Acres | 1992 | 5A | 2006
| Phosphorus Atmospheric Deposition Channel Erosion Erosion/Siltation Flow Regulation/Modification Grazing-Related Sources Highway Maintenance and Runoff Internal Nutrient Cycling (primarily lakes) Marinas and Recreational Boating Natural Sources Other Urban Runoff Pasture Grazing-Riparian and/or Upland Recreational and Tourism Activities (non-boating) Removal of Riparian Vegetation Streambank Modification/Destabilization Wastewater - land disposal | 2614 Acres | 1992 | 5A | 2006
| Sedimentation/Siltation Erosion/Siltation Grazing-Related Sources Sediment Resuspension Streambank Modification/Destabilization | 2614 Acres | 1992 | 5A | 2006
6 | Bronco Creek | River & Stream | 63520053 / 1.60501e | Sedimentation/Siltation Natural Sources Nonpoint Source Silviculture | 1.3 Miles | 1996 | 5A | 2008
6 | Carson River, West Fork (Headwaters to Woodfords) | River & Stream | 63320014 / 1.60502e | Nitrate Source Unknown | 18 Miles | 2008 | 5A | 2021
| This listing may be addressed through revision of the water quality objective rather than through a TMDL.
| Nitrogen Atmospheric Deposition Channel Erosion Erosion/Siltation Habitat Modification Highway Maintenance and Runoff Natural Sources Onsite Wastewater Systems (Septic Tanks) Recreational and Tourism Activities (non-boating) Removal of Riparian Vegetation Silviculture Streambank Modification/Destabilization | 18 Miles | 2002 | 5A | 2019
| This listing may be addressed through revision of the water quality objective rather than through a TMDL.
| Phosphorus Atmospheric Deposition Channel Erosion Erosion/Siltation Habitat Modification Highway Maintenance and Runoff Natural Sources Recreational and Tourism Activities (non-boating) Removal of Riparian Vegetation Silviculture Streambank Modification/Destabilization | 18 Miles | 2002 | 5A | 2019
| This listing may be addressed through revision of the water quality objective rather than through a TMDL.
6 | Carson River, West Fork (Paynesville to State Line) | River & Stream | 63310013 / 16050201 | Pathogens Agriculture-irrigation tailwater Agriculture-storm runoff Pasture Grazing-Riparian and/or Upland | 3.3 Miles | 2002 | 5A | 2019
6 | Carson River, West Fork (Woodfords to Paynesville) | River & Stream | 63310012 / 16050201 | Nitrogen Agriculture-irrigation tailwater Agriculture-storm runoff Agriculture-subsurface drainage Atmospheric Deposition Channel Erosion Erosion/Siltation Habitat Modification Highway Maintenance and Runoff Natural Sources Pasture Grazing-Riparian and/or Upland Range Grazing-Riparian and/or Upland Recreational and Tourism Activities (non-boating) Removal of Riparian Vegetation Silviculture Streambank Modification/Destabilization Wastewater - land disposal | 3.6 Miles | 2002 | 5A | 2019
| This listing may be addressed through revision of the water quality objective rather than through a TMDL.
| Pathogens Agricultural Return Flows Natural Sources Pasture Grazing-Riparian and/or Upland Recreational and Tourism Activities (non-boating) | 3.6 Miles | 2002 | 5A | 2019
6 | Clearwater Creek | River & Stream | 63040051 / 1.60503e | Sedimentation/Siltation Construction/Land Development Highway Maintenance and Runoff Range Grazing-Riparian and/or Upland | 12 Miles | 1996 | 5A | 2006
| Listed on basis of limited information; additional monitoring may support delisting.
6 | Crowley Lake | Lake & Reservoir | 60310090 / 1.80901e | Ammonia Source Unknown | 4861 Acres | 2006 | 5A | 2019
| Oxygen, Dissolved Source Unknown | 4861 Acres | 2006 | 5A | 2019
6 | Donner Lake | Lake & Reservoir | 63520021 / 1.60501e | Priority Organics Source Unknown | 819 Acres | 1998 | 5A | 2019
6 | Eagle Lake (Lassen County) | Lake & Reservoir | 63732000 / 18080003 | Nitrogen Agriculture Atmospheric Deposition Grazing-Related Sources Highway Maintenance and Runoff Internal Nutrient Cycling (primarily lakes) Marinas and Recreational Boating Natural Sources Nonpoint Source Onsite Wastewater Systems (Septic Tanks) Other Urban Runoff Recreational and Tourism Activities (non-boating) Sediment Resuspension Silviculture Wastewater | 20704 Acres | 2002 | 5A | 2019
| Phosphorus Atmospheric Deposition Grazing-Related Sources Highway/Road/Bridge Runoff Internal Nutrient Cycling (primarily lakes) Marinas and Recreational Boating Natural Sources Nonpoint Source Onsite Wastewater Systems (Septic Tanks) Other Urban Runoff Recreational and Tourism Activities (non-boating) Sediment Resuspension Silviculture Wastewater | 20704 Acres | 2002 | 5A | 2019
6 | East Walker River, below Bridgeport Reservoir | River & Stream | 63030050 / 16050301 | Sedimentation/Siltation Erosion/Siltation Grazing-Related Sources Highway Maintenance and Runoff Upstream Impoundment Urban Runoff--Erosion and Sedimentation | 8 Miles | 2002 | 5A | 2019
6 | General Creek | River & Stream | 63420030 / 1.60501e | Iron Natural Sources Silviculture | 9.1 Miles | 2002 | 5A | 2019
| This listing may be addressed through revision of the water quality objective rather than through a TMDL.
| Phosphorus Atmospheric Deposition Erosion/Siltation Natural Sources | 9.1 Miles | 2002 | 5A | 2019
6 | Gray Creek (Nevada County) | River & Stream | 63520052 / 16050102 | Sedimentation/Siltation Natural Sources Nonpoint Source Silviculture | 2.8 Miles | 1996 | 5A | 2008
6 | Haiwee Reservoir | Lake & Reservoir | 62410071 / 1.80901e | Copper Other | 1703 Acres | 1998 | 5A | 2004
6 | Heavenly Valley Creek (USFS boundary to Trout Creek) | River & Stream | 63410031 / 16050101 | Chloride Atmospheric Deposition Highway/Road/Bridge Runoff Natural Sources Source Unknown | 1.4 Miles | 2002 | 5A | 2019
| This listing may be addressed by revision of the water quality objective rather than through a TMDL.
| Sedimentation/Siltation Construction/Land Development Habitat Modification Hydromodification Land Development Nonpoint Source Recreational and Tourism Activities (non-boating) | 1.4 Miles | 2002 | 5A | 2019
6 | Heavenly Valley Creek (source to USFS boundary) | River & Stream | 63410031 / 16050101 | Chloride Atmospheric Deposition Highway Maintenance and Runoff Natural Sources Source Unknown | 2 Miles | 2002 | 5A | 2019
| This listing may be addressed through revision of the water quality objective rather than through a TMDL.
| Phosphorus Atmospheric Deposition Erosion/Siltation Natural Sources Recreational and Tourism Activities (non-boating) | 2 Miles | 2002 | 5A | 2019
| Sedimentation/Siltation Source Unknown | 2 Miles | 2006 | 5B | 2002
6 | Honey Lake | Saline Lake | 63710060 / 1.808e+0 | Arsenic Flow Regulation/Modification Geothermal Development Natural Sources Nonpoint Source | 57756 Acres | 1998 | 5A | 2019
| Arsenic in Honey Lake is ultimately from natural sources, but the lake is affected by geothermal discharges. Further study is needed to determine whether a TMDL is needed.
| Salinity/TDS/Chlorides Agricultural Return Flows Agricultural Water Diversion Agriculture Geothermal Development Natural Sources Nonpoint Source Sediment Resuspension | 57756 Acres | 1998 | 5A | 2019
| Honey Lake has naturally high salinity but is affected by low flows and geothermal discharges. Further study is needed to verify whether impairment occurs and whether a TMDL is needed.
6 | Honey Lake Area Wetlands | Wetland, Freshwater | 63710060 / 1.808e+0 | Metals Agriculture Geothermal Development Natural Sources Nonpoint Source | 62590 Acres | 2002 | 5A | 2019
| The wetlands adjacent to Honey Lake are affected by salts and trace elements from natural sources, which may be concentrated by evaporation during dry years. Additional study is needed to verify whether impairment exists and whether a TMDL is needed.
6 | Honey Lake Wildfowl Management Ponds | Saline Lake | 63720095 / 1.808e+0 | Metals Agriculture Geothermal Development Natural Sources | 665 Acres | 1998 | 5A | 2019
| The ponds are affected by salts and trace elements from natural sources, which may be concentrated by evaporation during dry years. Additional study is needed to verify whether impairment exists and whether a TMDL is needed.
| Salinity/TDS/Chlorides Agriculture Geothermal Development Natural Sources | 665 Acres | 1998 | 5A | 2019
| The ponds are affected by salts and trace elements from natural sources, which may be concentrated by evaporation during dry years. Additional study is needed to verify whether impairment exists and whether a TMDL is needed.
| Trace Elements Geothermal Development Nurseries | 665 Acres | 1998 | 5A | 2019
6 | Indian Creek (Alpine County) | River & Stream | 63220010 / 16050201 | Pathogens Grazing-Related Sources Pasture Grazing-Riparian and/or Upland | 13 Miles | 2002 | 5A | 2019
6 | Mammoth Creek (Old Mammoth Road to Highway 395) | River & Stream | 60310053 / 18090102 | Mercury Natural Sources | 6 Miles |  | 5A | 2019
6 | Mammoth Creek (Twin Lakes outlet to Old Mammoth Road) | River & Stream | 60310051 / 18090102 | Mercury Natural Sources | 1.9 Miles |  | 5A | 2019
6 | Mesquite Springs (Inyo County) | Wetland, Freshwater | 60911000 / 18090203 | Arsenic Natural Sources | 0.17 Acres | 2008 | 5A | 2021
| Boron Natural Sources | 0.17 Acres | 2008 | 5A | 2021
6 | Monitor Creek | River & Stream | 63210070 / 1.60502e | Aluminum Acid Mine Drainage Inactive Mining Mill Tailings Mine Tailings Natural Sources Nonpoint Source Point Source | 4 Miles | 2002 | 5A | 2019
| This listing is expected to be addressed through the CERCLA remediation process.
| Iron Acid Mine Drainage Inactive Mining Mill Tailings Mine Tailings Natural Sources Nonpoint Source Point Source | 4 Miles | 2002 | 5A | 2019
| This listing is expected to be addressed through the CERCLA remediation process..
| Manganese Acid Mine Drainage Inactive Mining Mill Tailings Mine Tailings Natural Sources Nonpoint Source Point Source | 4 Miles | 2002 | 5A | 2019
| This listing is expected to be addressed through the CERCLA remediation process.
| Silver Acid Mine Drainage Inactive Mining Mill Tailings Mine Tailings Natural Sources Nonpoint Source | 4 Miles | 2002 | 5A | 2019
| This listing is expected to be addressed through the CERCLA remediation process.
| Sulfates Acid Mine Drainage Inactive Mining Mill Tailings Mine Tailings Nonpoint Source Point Source | 4 Miles | 2002 | 5A | 2019
| This listing is expected to be addressed through the CERCLA remediation process.
| Total Dissolved Solids Acid Mine Drainage Inactive Mining Mill Tailings Mine Tailings Natural Sources Nonpoint Source Point Source | 4 Miles | 2002 | 5A | 2019
| This listing is expected to be addressed through the CERCLA remediation process.
6 | Pleasant Valley Reservoir | Lake & Reservoir | 60320000 / 1.80901e | Organic Enrichment/Low Dissolved Oxygen Flow Regulation/Modification Nonpoint Source | 99 Acres | 1996 | 5A | 2019
6 | Susan River (Headwaters to Susanville) | River & Stream | 63720010 / 18080003 | Mercury Natural Sources | 36 Miles |  | 5A | 2019
| Unknown Toxicity Source Unknown | 36 Miles |  | 5A | 2019
6 | Susan River (Litchfield to Honey Lake) | River & Stream | 63720050 / 18080003 | Mercury Source Unknown |  |  | 5A | 2019
| Unknown Toxicity Source Unknown |  |  | 5A | 2019
6 | Susan River (Susanville to Litchfield) | River & Stream | 63720050 / 18080003 | Mercury Natural Sources | 16 Miles |  | 5A | 2019
| Unknown Toxicity Source Unknown | 16 Miles |  | 5A | 2019
6 | Swauger Creek | River & Stream | 63040012 / 1.60503e | Pathogens Natural Sources Onsite Wastewater Systems (Septic Tanks) Pasture Grazing-Riparian and/or Upland Range Grazing-Riparian and/or Upland Recreational and Tourism Activities (non-boating) | 14 Miles | 2002 | 5C |
| This listing is being addressed through the implementation of management practices for livestock grazing under Lahontan RWQCB Resolution R6T-2007-0019, Waiver of Waste Discharge Requirements for Grazing Operations in the East Walker River Watershed (Bridgeport Valley and Tributaries) of the Lahontan Region.
| Phosphorus Atmospheric Deposition Erosion/Siltation Highway/Road/Bridge Runoff Natural Sources Nonpoint Source Pasture Grazing-Riparian and/or Upland Range Grazing-Riparian and/or Upland Streambank Modification/Destabilization Surface Runoff | 14 Miles | 2002 | 5A | 2019
6 | Tahoe, Lake | Lake & Reservoir | 63430010 / 1.60501e | Nitrogen Atmospheric Deposition Channel Erosion Construction/Land Development Drainage/Filling Of Wetlands Erosion/Siltation Golf course activities Grazing-Related Sources Groundwater Loadings Habitat Modification Highway/Road/Bridge Runoff Hydromodification Internal Nutrient Cycling (primarily lakes) Land Development Marinas and Recreational Boating Natural Sources Other Urban Runoff Recreational and Tourism Activities (non-boating) Removal of Riparian Vegetation Silviculture Streambank Modification/Destabilization Surface Runoff Urban Runoff--Erosion and Sedimentation Urban Runoff--Non-industrial Permitted Urban Runoff/Storm Sewers | 85364 Acres | 2002 | 5A | 2010
| 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 Silviculture Streambank Modification/Destabilization Urban Runoff--Erosion and Sedimentation Urban Runoff--Non-industrial Permitted Urban Runoff/Storm Sewers | 85364 Acres | 2002 | 5A | 2010
| 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 Silviculture Streambank Modification/Destabilization Urban Runoff--Erosion and Sedimentation Urban Runoff/Storm Sewers | 85364 Acres | 2006 | 5A | 2010
6 | Tallac Creek (below Hwy 89) | River & Stream | 63410041 / 16050101 | Pathogens Grazing-Related Sources Pasture Grazing-Riparian and/or Upland | 1.3 Miles | 2002 | 5A | 2019
6 | Trout Creek (above Hwy 50) | River & Stream | 63410020 / 1.60501e | Iron Erosion/Siltation Natural Sources Urban Runoff--Non-industrial Permitted | 10 Miles | 2002 | 5A | 2019
| This issue may be addressed through revision of the water quality objective rather than through a TMDL.
| Nitrogen Atmospheric Deposition Erosion/Siltation Pasture Grazing-Riparian and/or Upland Urban Runoff--Non-industrial Permitted | 10 Miles | 2002 | 5A | 2019
| Pathogens Source Unknown | 10 Miles | 2002 | 5A | 2019
| Phosphorus Atmospheric Deposition Erosion/Siltation Pasture Grazing-Riparian and/or Upland Urban Runoff--Non-industrial Permitted | 10 Miles | 2002 | 5A | 2019
6 | Trout Creek (below Hwy 50) | River & Stream | 63410042 / 1.60501e | Iron Erosion/Siltation Natural Sources Urban Runoff--Non-industrial Permitted | 0.78 Miles | 2002 | 5A | 2019
| This listing may be addressed through revision of the water quality objective rather than through a TMDL.
| Nitrogen Atmospheric Deposition Erosion/Siltation Urban Runoff--Non-industrial Permitted | 0.78 Miles | 2002 | 5A | 2019
| Pathogens Grazing-Related Sources | 0.78 Miles | 2002 | 5A | 2019
| Phosphorus Atmospheric Deposition Erosion/Siltation Urban Runoff--Non-industrial Permitted | 0.78 Miles | 2002 | 5A | 2019
6 | Truckee River | River & Stream | 63510010 / 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 | 39 Miles | 1996 | 5A | 2008
6 | Truckee River, Upper (above Christmas Valley) | River & Stream | 63410010 / 16050101 | Iron Natural Sources | 4.5 Miles | 2002 | 5A | 2019
| This listing may be addressed through revision of the water quality objective rather than through a TMDL.
| Phosphorus Grazing-Related Sources Natural Sources Silviculture | 4.5 Miles | 2002 | 5A | 2019
6 | Truckee River, Upper (below Christmas Valley) | River & Stream | 63410042 / 1.60501e | Iron Erosion/Siltation Natural Sources Nonpoint Source | 11 Miles | 2002 | 5A | 2019
| This listing may be addressed through revision of the water quality objective rather than through a TMDL.
| Phosphorus Atmospheric Deposition Channelization Construction/Land Development Erosion/Siltation Highway Maintenance and Runoff Hydromodification Natural Sources Nonpoint Source Removal of Riparian Vegetation Silviculture Streambank Modification/Destabilization Unknown Nonpoint Source | 11 Miles | 2002 | 5A | 2019
6 | Ward Creek | River & Stream | 63420020 / 1.60501e | Iron Channel Erosion Erosion/Siltation Highway Maintenance and Runoff Natural Sources Other Urban Runoff Silviculture | 5.7 Miles | 2002 | 5A | 2015
| This listing may be addressed through revision of the water quality objective rather than through a TMDL.
| Nitrogen Atmospheric Deposition Channel Erosion Erosion/Siltation Highway/Road/Bridge Runoff Natural Sources Other Urban Runoff Silviculture | 5.7 Miles | 2002 | 5A | 2008
| Phosphorus Atmospheric Deposition Channel Erosion Erosion/Siltation Highway/Road/Bridge Runoff Natural Sources Other Urban Runoff Silviculture Urban Runoff--Erosion and Sedimentation | 5.7 Miles | 2002 | 5A | 2008
| Sedimentation/Siltation Channel Erosion Highway/Road/Bridge Runoff Land Development Nonpoint Source Silviculture Urban Runoff/Storm Sewers | 5.7 Miles | 2002 | 5A | 2008
6 | Wolf Creek (Alpine County) | River & Stream | 63210031 / 16050201 | Sedimentation/Siltation Nonpoint Source Range Grazing-Riparian and/or Upland Silviculture | 12 Miles | 1998 | 5A | 2019