Environmental Declaration WPCP 20240409

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L SA Species (FedStat State) us Habitat Potential for Occurrencea North American green FT/— Near shore marine waters, bays Potential foraging habitat is present in the sturgeon (southern DPS) and estuaries, spawns in rivers in tidal slough, but spawning habitat is absent. Acipenser medirostris deep fast water over large cobbles, Critical Habitat has been designated in the but also clean sand to bedrock. San Francisco Bay, but not all of the primary Southern most spawning constituent elements (food resources, water population in the Sacramento flow to migrate upstream to spawning River. grounds, water quality, migratory corridor, depth, sediment quality) are present within the slough. White sturgeon —/SSC Estuaries, including the San Potential foraging habitat is present in the Aci enser transmontanus Francisco Bay, but spawn in large tidal slough, but does not spawn with the rivers; only known to spawn in the tidal sloughs of San Francisco Bay. Known to Sacramento River system, occur in San Francisco Bay (Moyle 2012; Columbia River in Washington, and Leidy 2007). Fraser River in Canada. Pacific lamprey —/SSC Coastal streams and estuaries, Potential foraging habitat is present in the Entosphenus tridentatus including the San Francisco Bay; tidal slough, but spawning habitat is absent. spawns in higher -gradient, cool- Known to occur in San Francisco Bay (Moyle water streams with gravel beds. 2012; Leidy 2007). Steelhead (Central California FT/— Coastal streams from Russian River Although suitable spawning habitat is coast DPS) south to Aptos Creek (Santa Cruz absent in the slough, occasional stray Oncorhynchus mykiss Co.), including streams tributary to individuals could occur. Critical Habitat has San Francisco and San Pablo Bays. been designated in the San Francisco Bay, but the primary constituent elements (spawning and rearing habitat, etc.) are not present within the slough. Steelhead (Central Valley FT/— Sacramento and San Joaquin Rivers Although suitable spawning habitat is DPS) and their tributaries. absent in the slough, occasional stray Oncorhynchus mykiss individuals could occur. Chinook salmon (Central FT/— Anadromous: spawns in Although suitable spawning habitat is Valley spring -run ESU) Sacramento River system; occurs in absent in the slough, occasional stray Oncorhynchus tshawytscha small numbers in Central Bay. individuals could occur. FE/— Anadromous: spawns in Although suitable spawning habitat is Chinook salmon (Sacramento River winter- Sacramento River system; occurs in absent in the slough, occasional stray run ESU) small numbers in Central Bay. individuals could occur. Oncorhynchus tshawytscha Coho salmon - central FE/SE Anadromous: spawns in coastal Although suitable spawning habitat is California coast ESU streams in fall and winter. absent in the slough, occasional stray Oncorhynchus kisutch individuals could occur. Amphibians California red -legged frog FT/— Creeks, ponds, marshes. Prefers No suitable habitat is present. The isolation Rana draytonii aquatic habitat with deep (2 feet or of the project site from nearby areas of deeper) areas with undercut banks, occurrence by heavily traveled roadways, emergent aquatic vegetation, and developed landscapes, and marine waters, bank cover. Does not occur in salt and salt marsh (all barriers to dispersal for marshes or wetland with brackish frogs) would preclude dispersing individuals water. from reaching the project site. 4/17/20 (P:\TER2001\BA\Special-Status Species Biological Resources Habitat Assessment 4-17-20 .docx)