Federal regulations · Through 2026-08-25 · Newer source version available

50 CFR Table 5 to Part 226: Table 5 to Part 226—Hydrologic Units and Counties Containing Critical Habitat for Central California Coast Coho Salmon, Tribal Lands Within the Range of the ESU, and Dams/Reservoirs Representing the Upstream Extent of Critical Habitat

Hydrologic unit name Hydrologic unit No. Counties and tribal lands contained in hydrologic unit and within the range of ESU 1 2 Dams (reservoirs)
San Lorenzo-Soquel 18060001 Santa Cruz (CA), San Mateo (CA) Newell Dam (Loch Lomond).
San Francisco Coastal South 18050006 San Mateo (CA)
San Pablo Bay 18050002 Marin (CA), Napa (CA) Phoenix Dam (Phoenix Lake).
Tomales-Drake Bays 18050005 Marin (CA), Sonoma (CA) Peters Dam (Kent Lake); Seeger Dam (Nicasio Reservoir).
Bodega Bay 18010111 Marin (CA), Sonoma (CA)
Russian 18010110 Sonoma (CA), Mendocino (CA)—Cloverdale Rancheria; Coyote Valley Rancheria; Dry Creek Rancheria; Guidiville Rancheria; Hopland Rancheria; Lytton Rancheria; Pinoleville Rancheria; Stewarts Point Rancheria Warm Springs Dam (Lake Sonoma); Coyote Dam (Lake Mendocino).
Gualala-Salmon 18010109 Sonoma (CA), Mendocino (CA)
Big-Navarro-Garcia 18010108 Mendocino (CA)—Manchester/Point Arena Rancheria;
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.
2 Tribal lands are specifically excluded from critical habitat for this ESU.

Where this section sits in the code

Title 50—Wildlife and Fisheries
CHAPTER II—NATIONAL MARINE FISHERIES SERVICE, NATIONAL OCEANIC AND ATMOSPHERIC ADMINISTRATION, DEPARTMENT OF COMMERCE
SUBCHAPTER C—MARINE MAMMALS
PART 226—DESIGNATED CRITICAL HABITAT

Hydrologic unit name Hydrologic unit No. Counties and tribal lands contained in hydrologic unit and within the range of ESU 1 2 Dams (reservoirs)

San Lorenzo-Soquel 18060001 Santa Cruz (CA), San Mateo (CA) Newell Dam (Loch Lomond).

San Francisco Coastal South 18050006 San Mateo (CA)

San Pablo Bay 18050002 Marin (CA), Napa (CA) Phoenix Dam (Phoenix Lake).

Tomales-Drake Bays 18050005 Marin (CA), Sonoma (CA) Peters Dam (Kent Lake); Seeger Dam (Nicasio Reservoir).

Bodega Bay 18010111 Marin (CA), Sonoma (CA)

Russian 18010110 Sonoma (CA), Mendocino (CA)—Cloverdale Rancheria; Coyote Valley Rancheria; Dry Creek Rancheria; Guidiville Rancheria; Hopland Rancheria; Lytton Rancheria; Pinoleville Rancheria; Stewarts Point Rancheria Warm Springs Dam (Lake Sonoma); Coyote Dam (Lake Mendocino).

Gualala-Salmon 18010109 Sonoma (CA), Mendocino (CA)

Big-Navarro-Garcia 18010108 Mendocino (CA)—Manchester/Point Arena Rancheria;

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.

2 Tribal lands are specifically excluded from critical habitat for this ESU.

Collected 2026-08-27T02:26:39Z. Source file · JSON

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