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Code of Federal Regulations (Last Updated: November 8, 2024) |
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Title 50 - Wildlife and Fisheries |
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Chapter II - National Marine Fisheries Service, National Oceanic and Atmospheric Administration, Department of Commerce |
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SubChapter C - Marine Mammals |
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Part 226 - Designated Critical Habitat |
Table 18 to Part 226 - Hydrologic Units and Counties Containing Critical Habitat for Central California Coast Steelhead, and Dams/Reservoirs Representing the Upstream Extent of Critical Habitat
Latest version.
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Hydrologic Unit name Hydrologic Unit number Counties 1 within Hydrologic Unit and within range of ESUDams/Reservoirs Russian 18010110 Mendocino (CA), Sonoma (CA) Coyote Dam, Warm Springs Dam Bodega Bay 18010111 Marin (CA), Sonoma (CA) Suisun Bay 18050001 Contra Costa (CA), Napa (CA), Solano (CA) San Pablo Bay 18050002 Alameda (CA), Contra Costa (CA), Marin (CA), Napa (CA), San Francisco (CA), Solano (CA), Sonoma (CA) Phoenix Dam, San Pablo Dam Coyote 18050003 Alameda (CA), San Mateo (CA), Santa Clara (CA) Almaden Reservoir, Anderson Reservoir, Calero Reservoir,Guadalupe Reservoir, Searsville Lake, Stevens Creek Reservoir, Vasona Reservoir San Francisco Bay 18050004 Alameda (CA), Contra Costa (CA), San Francisco (CA), San Mateo (CA), Santa Clara (CA) Calaveras Reservoir, Chabot Dam, Crystal Springs Reservoir, Del Valle Reservoir, San Antonio Reservoir Tomales-Drake Bays 18050005 Marin (CA), Sonoma (CA) Peters Dam, Seeger Dam, Soulejule Dam San Francisco Coastal South 18050006 San Mateo (CA) Pilarcitos Dam San Lorenzo-Soquel 18060001 San Mateo (CA), Santa Cruz (CA) Newell Dam 1 Some counties have very limited overlap with estuarine, riverine, or riparian habitats identified as critical habitat for this ESU. Consult USGS hydrologic unit maps (available from USGS) to determine specific county and basin boundaries.