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1939 datasets

Suisun Marsh Protection Plan Management Areas

Published by: San Francisco Bay Conservation and Development Commission
Last updated: Thursday, April 9, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

A shapefile depiction of BCDC's Primary and Secondary Management Areas of the Suisun Marsh. Data was developed to assist with cartographic depiction o...

i03 Delta PrimarySecondary Zones

Published by: California Department of Water Resources
Last updated: Thursday, April 9, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Delta Primary Zone Boundary The history of the primary zone boundary is as follows: the Primary Zone was defined in the 1992 Delta Flood Protection Ac...

Draft CalEnviroScreen 5.0

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Thursday, March 12, 2026
File types: GDB, SHP, CSV, XLSX, PDF, LYRX

OEHHA is announcing the availability of draft CalEnviroScreen 5.0 for public comment. CalEnviroScreen is a mapping tool used to identify California co...

Great Gray Owl Habitat Model - Northern California [ds280]

Published by: California Department of Fish and Wildlife
Last updated: Thursday, April 9, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Potential foraging habitat for Great Grey Owl (GGO) is paraphrased by Fish and Game (Tom Beck et al) as >=10 acres foraging habitat within a ½ mile...

Salmonid Population Monitoring Areas - California - CMP [ds3001]

Published by: California Department of Fish and Wildlife
Last updated: Thursday, April 9, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The California Monitoring Plan (CMP) salmonid monitoring areas and associated population data are part of an ongoing effort to summarize existing and ...

Salmonid Population Monitoring Areas - California - CMP [ds3001]

Published by: California Department of Fish and Wildlife
Last updated: Thursday, April 9, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, GEOJSON, ZIP, KML

The California Monitoring Plan (CMP) salmonid monitoring areas and associated population data are part of an ongoing effort to summarize existing and ...

IWFM and IDC Support Tools

Published by: California Department of Water Resources
Last updated: Thursday, April 9, 2026
File types: ESRIADDIN FOR ARCMAP, MSI, ZIP

Software products to prepare input data for IWFM and IDC models and to import model results into Excel for further analysis and visualization...

SF Bay Eelgrass 45m Buffer (BCDC 2020)

Published by: San Francisco Bay Conservation and Development Commission
Last updated: Thursday, April 9, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This layer is a 45-meter growth buffer surrounding the maximum extent of eelgrass (green layer called "SF Bay Eelgrass") surveyed in San Fra...

i03 Groundwater Sustainability Plan Areas

Published by: California Department of Water Resources
Last updated: Thursday, April 9, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The passage of the Sustainable Groundwater Management Act (SGMA) in 2014 set forth a statewide framework to help protect groundwater resources over th...

i16 Census County DisadvantagedCommunities 2023

Published by: California Department of Water Resources
Last updated: Thursday, April 9, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The IRWM web based DAC mapping tool uses this GIS layer. Created by joining ACS 2019-2023 5 year estimates to the 2020 Census Counties feature class. ...