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1. CalWater 2.2 Watersheds

2010. Teale Data Center. California Watershed Map: Version 2.2. This layer is composed of polygons at depict the boundary of the various watershed areas in Napa County. Napa County (Calif.). County Of Napa.

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.

5. FEMA Flood zones

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.

6. Flood Control Zone

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.

7. 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.

8. major basins

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.

9. Major Water Bodies

2005. County of Napa ITS Department. Major named water bodies within Napa County. Napa County (Calif.). County Of Napa.

10. Napa County Flood Control District

2005. VESTRA Resources Inc. Boundary of the Napa County Flood Control District. Napa County (Calif.). County Of Napa.