RSS FeedsNapa River Basin - Assessment and Monitoring Map
The Napa River Basin is home to most of the residents and developed areas in the county. It is estimated that 95% or more of the entire population of Napa County live in the Napa River Watershed. More description...
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Notes: Please wait for the map layers to load completely before using the map. Related Content in the left sidebar includes links to other useful Napa River Basin maps.
Map Layers
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State Air Quality Station
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State Weather Stations
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Stream and Precipitation Gauges
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Major Streams
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Rainfall
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State DWR Groundwater Basins
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Streams and Reservoirs
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Watersheds
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Major Basin Napa River
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Major Basin Napa-Sonoma Marshes
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Napa County
