Table A. List of Mercury-Impaired Reservoirs Included in the Statewide Mercury Control Program for Reservoirs Water Operator Reservoir Board County(ies) Owner (if different Region from owner) ∗ Almanor, Lake 5 Plumas Pacific Gas and Electric Co. Alondra Park Lake 4 Los Angeles Los Angeles County Department of Parks and Recreation Amador, Lake* 5 Amador Jackson Valley ID Anderson Lake 2 Santa Clara Santa Clara Valley Water District Arrowhead, Lake 6 San Bernardino Arrowhead Lake Association Berryessa, Lake* 5 Napa, Yolo U.S. Bureau of Solano County Land Management Water Agency Big Bear Lake 8 San Bernardino Big Bear Municipal Water District Black Butte Lake* 5 Glenn, Tehama U.S. Army Corps of City of Santa Engineers Clara Bon Tempe Lake 2 Marin Marin Municipal Water District Briones Reservoir 2 Contra Costa East Bay Municipal Utility District Britton, Lake* 5 Shasta Pacific Gas and Electric Co. Cachuma, Lake 3 Santa Barbara U.S. Bureau of Reclamation Calaveras Reservoir 2 Alameda, Santa City & County of Clara San Francisco , Lake 5 Tehama Lake California Property Owners Association Camanche Reservoir* 5 Amador, East Bay Municipal Calaveras, San Utility District Joaquin Camp Far West 5 Nevada, Placer, South Sutter Water Reservoir* Yuba District Casitas, Lake 4 Ventura U.S. Bureau of Casitas Land Management Municipal Water District

∗ Indicates a Federal Energy Regulatory Commission (FERC) Project reservoir. FERC Project reservoirs will not be included in the initial phase of this program; however, these reservoirs are encouraged to participate in this questionnaire to provide information that will be helpful to better inform the overall project.

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Table A. List of Mercury-Impaired Reservoirs Included in the Statewide Mercury Control Program for Reservoirs Water Operator Reservoir Board County(ies) Owner (if different Region from owner) Castaic Lake 4 Los Angeles California Department of Water Resources Cerritos Park Lake 4 Los Angeles Los Angeles County Department of Parks and Recreation Chabot, Lake (Alameda 2 Alameda East Bay Municipal Co.) Utility District Chabot, Lake (Solano 2 Solano City of Vallejo Co.) Chesbro Reservoir 3 Santa Clara Santa Clara Valley Water District Collins Lake 5 Yuba Browns Valley ID Combie, Lake* 5 Nevada, Placer Nevada Irrigation District Contra Loma Reservoir 5 Contra Costa U.S. Bureau of Reclamation * 1 Siskiyou Pacific Gas and Electric Co. Coyote Lake 2 Santa Clara Santa Clara Valley Water District Crowley Lake 6 Mono City of Los Angeles Davis Creek Reservoir 5 Yolo Homestake Mining Co. Del Valle Reservoir 2 Alameda California Department of Water Resources Don Pedro Lake* 5 Tuolumne Water Planning Department Manager East Park Reservoir 5 Colusa U.S. Bureau of Orland Unit Land Management Water Users` Association Eastman Lake 5 Madera, U.S. Army Corps of Mariposa Engineers El Capitan Reservoir 9 San Diego City of San Diego El Dorado Park Lakes 4 Los Angeles City of Long Beach Elderberry Forebay* 4 Los Angeles City of Los Angeles

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Table A. List of Mercury-Impaired Reservoirs Included in the Statewide Mercury Control Program for Reservoirs Water Operator Reservoir Board County(ies) Owner (if different Region from owner) Englebright Lake* 5 Nevada, Yuba U.S. Army Corps of Yuba County Engineers Water Agency/Pacific Gas and Electric Company Finger Lake 5 Tehama Endicott Bert 5 El Dorado, U.S. Bureau of Placer, Land Management Sacramento Gibraltar, Lake 3 Santa Barbara City of Santa Barbara Gregory, Lake 6 San Bernardino San Bernardino County Regional Parks Hansen Lake 4 Los Angeles U.S. Army Corps of Engineers Hell Hole Reservoir* 5 Placer Placer County Water Agency Henne, Lake 2 Napa Howell Mtn Mutual Water Co Hensley Lake 5 Madera U.S. Army Corps of Engineers Herman, Lake 2 Solano City of Benicia Hernandez Reservoir 3 San Benito San Benito County Water District Hetch Hetchy Reservoir 5 Tuolumne City & County of San Francisco San Francisco Public Utilities Commission Hodges, Lake 9 San Diego City of San Diego Hughes, Lake 4 Los Angeles U.S. Forest Service Indian Valley Reservoir 5 Lake Yolo County Flood Control & Water Conservation District Iron Gate Reservoir* 1 Siskiyou Pacific Gas and Electric Co. Isabella Lake* 5 Kern U.S. Army Corps of Isabella Engineers Partners Jameson Lake 3 Santa Barbara Montecito Water District Jennings, Lake 9 San Diego Helix Water District

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Table A. List of Mercury-Impaired Reservoirs Included in the Statewide Mercury Control Program for Reservoirs Water Operator Reservoir Board County(ies) Owner (if different Region from owner) Kaweah, Lake* 5 Tulare U.S. Army Corps of Kaweah River Engineers and Power Authority Ken Hahn Park Lake 4 Los Angeles California Dept. of Parks and Rec. La Mirada Park Lake 4 Los Angeles Los Angeles County Department of Parks and Recreation Lafayette Reservoir 2 Contra Costa East Bay Municipal Utility District Lake Hennessey 3 Napa City of Napa Legg Lake 4 Los Angeles Los Angeles County Department of Parks and Recreation Lexington Reservoir 2 Santa Clara Santa Clara Valley Water District Little Rock Reservoir 6 Los Angeles Little Rock Creek Irrigation District Loon Lake* 5 El Dorado Sacramento Municipal Utility District Los Banos Reservoir 5 Merced U.S. Bureau of Reclamation Los Vaqueros Reservoir 5 Contra Costa Contra Costa Co Water District Lower Crystal Springs 2 San Mateo City & County of Reservoir San Francisco Marsh Creek Reservoir 5 Contra Costa Contra Costa County Flood Control & Water Conservation District Mathews, Lake 8 Riverside Metropolitan Water District of Southern California McClure, Lake* 5 Mariposa Merced Irrigation District Mendocino, Lake* 1 Mendocino U.S. Army Corps of Sonoma Engineers County Water Agency

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Table A. List of Mercury-Impaired Reservoirs Included in the Statewide Mercury Control Program for Reservoirs Water Operator Reservoir Board County(ies) Owner (if different Region from owner) Merced, Lake 2 San Francisco San Francisco Public Utility Commission Mile Long Pond 5 Butte California Department of Water Resources * 5 Fresno, Madera U.S. Bureau of Friant Power Land Management Authority Modesto Reservoir 5 Stanislaus Modesto Irrigation District Moon Lake 5 Lassen John Hancock Mutual Ins Co Nacimiento, Lake* 3 San Luis Monterey County Obispo Water Resources Agency Natoma, Lake 5 Sacramento U.S. Bureau of Land Management New Bullards Bar 5 Yuba Yuba County Water Reservoir* Agency New Hogan Lake* 5 Calaveras U.S. Army Corps of Modesto Engineers Irrigation District 5 Calaveras, U.S. Bureau of Tuolumne Land Management Nicasio Reservoir 2 Marin Marin Municipal Water District Ogier Quarry Ponds 2 Santa Clara County of Santa Clara O'Neill Forebay 5 Merced U.S. Bureau of CA Department Land Management of Water Resources Oroville, Lake* 5 Butte California Department of Water Resources Oxbow Reservoir* 5 El Dorado, Placer County Placer Water Agency Pardee Reservoir* 5 Amador, East Bay Municipal Calaveras Utility District Peck Road Park Lake 4 Los Angeles Los Angeles County Department of Parks and Recreation Pilarcitos Lake 2 San Mateo City & County of San Francisco

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Table A. List of Mercury-Impaired Reservoirs Included in the Statewide Mercury Control Program for Reservoirs Water Operator Reservoir Board County(ies) Owner (if different Region from owner) Pillsbury, Lake* 1 Lake Pacific Gas and Electric Co. Pine Flat Lake* 5 Fresno U.S. Army Corps of Pacific Gas and Engineers Electric Company and Kings River Conservation District Piru, Lake* 4 Ventura United Water Conservation District Puddingstone Reservoir 4 Los Angeles Los Angeles County Department of Public Works Pyramid Lake* 4 Los Angeles California Department of Water Resources Robinson's Pond 5 Butte California Department of Water Resources Rollins Reservoir* 5 Nevada, Placer Nevada Irrigation District Ruth Lake 1 Trinity Humboldt Bay Humboldt Bay Municipal Water Municipal District Water District San Antonio Reservoir 3 Monterey, San Monterey County Luis Obispo Water Resources Agency 5 Merced U.S. Bureau of CA Department Land Management of Water Resources San Pablo Reservoir 2 Contra Costa East Bay Municipal Utility District Santa Fe Dam Park Lake 4 Los Angeles U.S. Army Corps of Engineers Santa Margarita Lake 3 San Luis U.S. Army Corps of Obispo Engineers Scotts Flat Reservoir 5 Nevada Nevada Irrigation District Shadow Cliffs Reservoir 2 Alameda East Bay Regional Park District 5 Shasta U.S. Bureau of Land Management

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Table A. List of Mercury-Impaired Reservoirs Included in the Statewide Mercury Control Program for Reservoirs Water Operator Reservoir Board County(ies) Owner (if different Region from owner) Shastina, Lake 1 Siskiyou Montague Water Conservation District Sherwood, Lake 4 Ventura Westlake Lake Management Association Silverwood Lake* 6 San Bernardino California Department of Water Resources Siskiyou Lake 5 Siskiyou Siskiyou Co. FCWCD Slab Creek Reservoir* 5 El Dorado Sacramento Municipal Utility District Solano, Lake* 5 Yolo U.S. Bureau of Solano County Land Management Water Agency Sonoma, Lake* 1 Sonoma U.S. Army Corps of Engineers Stevens Creek Reservoir 2 Santa Clara Santa Clara Valley Water District Stony Gorge Reservoir* 5 Glenn U.S. Bureau of Orland Unit Land Management Water Users` Association Sutherland, Lake 9 San Diego City of San Diego Thermalito Afterbay* 5 Butte California Department of Water Resources Topaz Lake 6 Mono Walker River Irrigation District Trinity Lake 1 Trinity U.S. Bureau of Land Management Tulloch Reservoir* 5 Calaveras, South San Joaquin Tuolumne and Oakdale Irrigation Districts Tunnel Reservoir* 5 Shasta Pacific Gas and Electric Co. Turlock Lake 5 Stanislaus Turlock Irrigation District Upper San Leandro 2 Alameda, East Bay Municipal Reservoir Contra Costa Utility District Upper Twin Lake 6 Mono Centennial Livestock

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Table A. List of Mercury-Impaired Reservoirs Included in the Statewide Mercury Control Program for Reservoirs Water Operator Reservoir Board County(ies) Owner (if different Region from owner) Uvas Reservoir 3 Santa Clara Santa Clara Valley Water District Vasona Reservoir 2 Santa Clara Santa Clara Valley Water District Webb, Lake 5 Kern Kern County Department of Parks & Recreation West Valley Reservoir 5 Modoc, Lassen South Fork South Fork Irrigation District Irrigation District 5 Shasta U.S. Bureau of Land Management Wildwood, Lake 5 Nevada Lake Wildwood Association Woodward Reservoir 5 Stanislaus South San Joaquin Irrigation District Zayak/Swan Lake 5 Nevada Lakewood Association

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