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191 datasets

California Overlapping Cities and Counties and Identifiers

Published by: California Department of Technology
Last updated: Wednesday, October 1, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

WARNING: This is a pre-release dataset and its fields names and data structures are subject to change. It should be considered pre-release until the e...

California Overlapping Cities and Counties and Identifiers with Coastal Buffers

Published by: California Department of Technology
Last updated: Wednesday, October 1, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

WARNING: This is a pre-release dataset and its fields names and data structures are subject to change. It should be considered pre-release until the e...

Watershed Boundary Dataset (WBD)

Published by: California Department of Water Resources
Last updated: Wednesday, October 29, 2025
File types: FILE GEODATABASE OR SHAPEFILE, ARCGIS GEOSERVICES REST API, WEBSITE, PDF

The Watershed Boundary Dataset (WBD) from USGS' The National Map (TNM) defines the perimeter of drainage areas formed by the terrain and other landsca...

Surface Water - Chemistry Results

Published by: California State Water Resources Control Board
Last updated: Tuesday, October 7, 2025
File types: PDF, ZIP, CSV

This data provides results from the [California Environmental Data Exchange Network](https://ceden.org/) (CEDEN) for field and lab chemistry analyses....

i07 Water Shortage Vulnerability Sections

Published by: California Department of Water Resources
Last updated: Wednesday, October 29, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset represents a water shortage vulnerability analysis performed by DWR using modified PLSS sections pulled from the Well Completion Report P...

CA Zip Code Boundaries

Published by: California Department of Technology
Last updated: Wednesday, October 1, 2025
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

This feature service is derived from the Esri "United States Zip Code Boundaries" layer, queried to only CA data.For the original data see: ...

Drinking Water - Public Water System Annually Reported Number of Service Connections Metered and Unmetered by Service Connection Type

Published by: California State Water Resources Control Board
Last updated: Thursday, May 8, 2025
File types: PDF, CSV, ZIP

This dataset includes the number of service connections, categorized by type and metering status, as submitted by public water systems via the electro...

Surface Water - Indicator Bacteria Results

Published by: California State Water Resources Control Board
Last updated: Tuesday, October 28, 2025
File types: CSV, PDF

Indicator bacteria data from the California Environmental Data Exchange Network (CEDEN) and BeachWatch databases. Results include E. coli, enterococci...

Surface Water - Aquatic Organism Tissue Sample Results

Published by: California State Water Resources Control Board
Last updated: Tuesday, October 7, 2025
File types: PDF, ZIP, CSV

This data set provides results of tissue from organisms found in surface waters, from the [California Environmental Data Exchange Network](https://ced...

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...