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791 datasets

City and County Boundary Line Changes

Published by: California Department of Tax and Fee Administration
Last updated: Friday, May 15, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

This map includes change areas for city and county boundaries filed in accordance with Government Code 54900. The initial dataset was first published ...

i08 GroundwaterLevelChangeSeasonal Contours

Published by: California Department of Water Resources
Last updated: Friday, May 15, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset depicts contours of estimated change in groundwater piezometric surfaces in the unconfined or uppermost semi-confined aquifers, between t...

i08 GroundwaterLevelChangeSeasonal Points

Published by: California Department of Water Resources
Last updated: Friday, May 15, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset depicts change in groundwater level at selected monitoring locations (wells) between two specified years, by season. Change values repres...

i04 VICGrid PrecipET ChangeFactors

Published by: California Department of Water Resources
Last updated: Friday, May 15, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

VIC grid polygons represent the Variable Infiltration Capacity (VIC) model spatial discretization of input forcing parameters (precipitation, temperat...

Terrestrial Climate Change Resilience - ACE [ds2738]

Published by: California Department of Fish and Wildlife
Last updated: Friday, May 15, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

For more information, see the Terrestrial Climate Change Resilience Factsheet at http://nrm.dfg.ca.gov/FileHandler.ashx?DocumentID=150836. The Califor...

Ca. 4th Climate Change Assessment Regions

Published by: California Natural Resources Agency
Last updated: Saturday, May 9, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

Regional boundaries for use by CA Nature to support activities related to Executive Order N-82-20. These include California's 30x30 effort, Climate Sm...

Ca. 4th Climate Change Assessment Regions

Published by: California Natural Resources Agency
Last updated: Saturday, May 9, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

Regional boundaries for use by CA Nature to support activities related to Executive Order N-82-20. These include California's 30x30 effort, Climate Sm...

City and County Boundary Changes by Roll Year

Published by: California Department of Tax and Fee Administration
Last updated: Friday, May 15, 2026
File types: HTML, ARCGIS GEOSERVICES REST API

This map is a compilation of the final set of city and county boundary changes filed with the California State Board of Equalization in accordance wit...

2070 Extreme Climate Change Scenarios for Water Supply Planning

Published by: California Department of Water Resources
Last updated: Friday, May 15, 2026
File types: PDF, ZIP

DWR’s 2070 extreme climate change scenarios enable exploration of the vulnerability of and opportunities for water supply at the potential bounds of f...

Climate Change Projections for Water Storage Investment Program (WSIP)

Published by: California Water Commission
Last updated: Friday, May 15, 2026
File types: PDF, ZIP

To aid applicants with quantification and monetization of benefits of proposed water storage projects per Chapter 8 of Proposition 1 (Water Code secti...