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44 datasets

i16 Census BlockGroup EconomicallyDistressedAreas 2023

Published by: California Department of Water Resources
Last updated: Thursday, April 2, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a copy of the statewide Census Block Group GIS Tiger file. The IRWM web based EDA mapping tool uses this GIS layer. Created by joining ACS 201...

i17 LeveeCenterlineClass 2012

Published by: California Department of Water Resources
Last updated: Thursday, April 2, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This line feature class represents levee centerlines for 93 Levee Maintenance Agencies/Reclamation Districts in the Sacramento-San Joaquin Delta. The ...

Airborne electromagnetic (AEM) Pilot Studies

Published by: California Department of Water Resources
Last updated: Thursday, April 2, 2026
File types: PDF, ZIP

Airborne electromagnetic (AEM) geophysical data were collected in California as a part of AEM pilot studies. The purpose of the AEM pilot studies was ...

i03 Delta PrimarySecondary Zones

Published by: California Department of Water Resources
Last updated: Thursday, April 2, 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...

DACs - Census

Published by: California Department of Water Resources
Last updated: Thursday, April 2, 2026
File types: ZIP

The following data were used for the Department of Water Resources' (DWR) Disadvantaged Communities (DAC) Mapping Tool: https://gis.water.ca.gov/app/d...

Vegetation - Upper Santa Ana River Wash - SBWCD [ds3212]

Published by: California Department of Fish and Wildlife
Last updated: Thursday, April 2, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The San Bernardino Valley Water Conservation District (SBVWCD) contracted AECOM to produce an association-level vegetation classification and map of l...

Balancing Authority Areas

Published by: California Energy Commission
Last updated: Thursday, April 2, 2026
File types: HTML

Map of the eight balancing authority areas in California:- BANC: Balancing Authority of Northern California- CalISO: California Independent System Ope...

Vegetation - Los Penasquitos Lagoon [ds3034]

Published by: California Department of Fish and Wildlife
Last updated: Thursday, April 2, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The San Diego Coast District, Department of Natural Resources, and California State Parks created a fine-scale vegetation map of portions of the Los P...

California Electric Balancing Authority Areas (Retired)

Published by: California Energy Commission
Last updated: Thursday, April 2, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

A balancing authority is responsible for operating a transmission control area. It matches generation with load and maintains consistent electric freq...

Vegetation - California State Parks of the Central Coast [ds3193]

Published by: California Department of Fish and Wildlife
Last updated: Thursday, April 2, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

The Geographical Information Center (GIC) was contracted by the California Department of Parks and Recreation (CDPR) to collect vegetation surveys to ...