RSS FeedsNapa River Basin - Water Resources 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...
To get the most out of the maps, read the helpful map tips. If you are a frequent or advanced map user, you can download the map data and create your own maps using Google Earth or Google Maps.
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
- Stream and Precipitation Gauges
- Dams
- Major Streams
- Wetlands
- Flood Hazard Zone
- State DWR Groundwater Basins
- Dam Levee Inundation
- Water Supply Drainages
- Watersheds
- Rainfall
- Napa Valley Groundwater Basins
- Major Basins
- Napa County
