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Start Over Resource Type Polygon data Subject Hydrology
2000. California. Metropolitan Transportation Commission. This polygon shapefile displays the hydrographic features throughout the San Francisco Bay Area of California. This category includes shorelines of... California. Metropolitan Transportation Commission.

2. Dam Inundation

2007. Office of Emergency Services. Dam Inundation maps for the State of California are required by California Government Code Section 8589.5(b). Inundation potential to cause damage... Sacramento (Calif.). Office Of Emergency Services.

3. Domestic_Wtr

2005. Napa County Conservation Department. Napa County's Domestic Water Supply Drainages pertaining to Napa County Ordinance 1219. Boundaries taken from the Drainages layer. Napa County (Calif.). County Of Napa.

4. drainages

2005. Jones Stokes. The Napa County Watersheds were generated from two elevation datasets. The Napa River Watershed was generated from LIDAR data processed by NCALM a... Napa County (Calif.). County Of Napa.
2008. Federal Emergency Management Agency (FEMA). The Digital Flood Insurance Rate Map (DFIRM) Database depicts flood risk information and supporting data used to develop the risk data. The primary... Napa County (Calif.). County Of Napa.
2000. County of Marin. Data are a graphic representation of Flood Control Zone boundaries in Marin County, California. San Rafael (Calif.). County Of Marin Community Development Agency.
2014. Geological Survey (U.S.). This polygon shapefile includes Global Map data showing waterbodies and wetlands of the United States, Puerto Rico, and the U.S. Virgin Islands. Th... Geological Survey (U.S.).

8. Groundwater

2003. Groundwater Basins for Marin County. Data was downloaded from http://gis.ca.gov/data_index.epl and reprojected from NAD 27 meters. Attributes not... San Rafael (Calif.). County Of Marin.
2015. Monterey County (Calif.). This polygon shapefile represents areas of groundwater recharge in Monterey County, California. This layer is part of a collection of GIS data for ... Monterey County (Calif.).
2014. Santa Cruz County GIS. This shapefile represents lakes in Santa Cruz County, California. .