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Hide Legend Legend

Napa River Basin More

Assessment and Monitoring Map

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Click to learn more about each layer

State Air Quality Station

State Weather Stations

Stream and Precipitation Gauges

Major Streams

Rainfall

18 inches

22.5 inches

27.5 inches

35 inches

37.5 inches

45 inches

55 inches

65 inches

75 inches

State DWR Groundwater Basins

Ponds, Lakes and Reservoirs

Watersheds

Napa Watersheds

Napa-Sonoma Marshes

Major Basin - Napa River

Napa River Sub-basin

Sonoma Marshes Sub-basin

Napa County

Napa River Basin More

WICC Pins

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Events

Documents and Media Links

News

Pages

Images