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1235 datasets

Surface Water - Water Quality Regulated Facility Information

Published by: California State Water Resources Control Board
Last updated: Tuesday, August 25, 2026
File types: CSV, XLSX, PDF

Information regarding site visits of facilities that discharge wastewater, from the [California Integrated Water Quality System](https://www.waterboar...

National Hydrography Data - NHD and 3DHP

Published by: California Department of Water Resources
Last updated: Sunday, August 30, 2026
File types: WEBSITE, ARCGIS GEOSERVICES REST API, PDF, ZIP, CSV

The USGS National Hydrography Dataset (NHD) downloadable data collection from The National Map (TNM) is a comprehensive set of digital spatial data th...

i03 DAU county cnty2018

Published by: California Department of Water Resources
Last updated: Saturday, August 29, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Detailed Analysis Unit-(DAU) Convergence via County Boundary cnty18_1 for Cal-Fire, (*See metadata for CAL-FIRE cnty18_1), State of California.The exi...

Water Plan Water Balance Data

Published by: California Department of Water Resources
Last updated: Saturday, August 29, 2026
File types: PDF, .ZIP, ZIP

Department of Water Resources California Water Plan program computes applied, net, and depletion water balances for California. Water balances are sim...

Granted Lands

Published by: California State Lands Commission
Last updated: Friday, August 28, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

SummaryThis INCOMPLETE dataset illustrates California's Granted public trust lands. Parcel digitization is currently UNDER DEVELOPMENT and approximate...