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212 datasets

DWR Airborne Electromagnetic (AEM) Surveys Data

Published by: California Department of Water Resources
Last updated: Thursday, July 16, 2026
File types: PDF, AGOL, ZIP, FILE GEODATABASE OR SHAPEFILE, SHP

*Back to [Basin Characterization Program webpage](https://data.cnra.ca.gov/dataset/dwr-basin-characterization "Basin Characterization Program webpage"...

i08 ChicoMonoclineLineaments SacramentoValley

Published by: California Department of Water Resources
Last updated: Thursday, July 16, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This data set is a series of polylines denoting lineaments associated with the Chico Monocline as mapped in USGS Publication MF-1790, "Geologic M...

DWR's Basin Characterization Program

Published by: California Department of Water Resources
Last updated: Thursday, July 16, 2026
File types: .ZIP, ZIP, FILE GEODATABASE, PDF

DWR has a long history of studying and characterizing California’s groundwater aquifers as a part of [California’s Groundwater (Bulletin 118)](https:/...

i03 Delta PrimarySecondary Zones

Published by: California Department of Water Resources
Last updated: Thursday, July 16, 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...

COVID-19 Wastewater Surveillance Data. California

Published by: California State Water Resources Control Board
Last updated: Tuesday, September 10, 2024
File types: CSV, DOCX, XLSX

NOTICE: As of September 6, 2024, the wastewater surveillance dataset will now be hosted on: https://data.chhs.ca.gov/dataset/wastewater-surveillance-d...

CalEnviroScreen 3.0 Results

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Wednesday, October 23, 2019
File types: PDF, CSV, SHP

CalEnviroScreen is a mapping tool that helps identify California communities that are most affected by many sources of pollution, and where people are...

California Groundwater Recharge Information

Published by: California Department of Water Resources
Last updated: Thursday, July 16, 2026
File types: HTML, PDF

The following information is to support groundwater recharge efforts coordinated by the California Department of Water Resources, State Water Resource...

California Population Trends by Geography

Published by: California Department of Water Resources
Last updated: Thursday, July 16, 2026
File types: CSV, WEBSITE

The datasets provide population estimate trends from 1998 to the current year for each of California’s 58 counties, further disaggregated by Detailed ...

i08 LandslideSymbology SacramentoValley

Published by: California Department of Water Resources
Last updated: Thursday, July 16, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This data set is a series of polylines denoting the symbology for landslides; generally showing direction of movement downhill. These features were ad...

Wastewater User Charge Survey Data for FY 2012-13, FY 2014-15, FY 2016-17 and CY 2018

Published by: California State Water Resources Control Board
Last updated: Friday, December 20, 2024
File types: CSV, XLSX, PDF

The State Water Resources Control Board (State Water Board) conducts regular surveys of sewer rates and connection (capacity) fees charged by wastewat...