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782 datasets

Low Water Line

Published by: California State Lands Commission
Last updated: Friday, April 10, 2026
File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML, TXT, XLSX, GPKG, GDB

The California State Lands Commission (CSLC) was created by the California Legislature in 1938 and given the authority and responsibility to manage ce...

Stormwater - Regulatory (including Enforcement Actions) Information and Water Quality Results

Published by: California State Water Resources Control Board
Last updated: Monday, April 6, 2026
File types: CSV

This dataset looks at all aspects of storm water management in California as managed and regulated by the State Water Resources Control Board, from th...

Surface Water - Toxicity Results

Published by: California State Water Resources Control Board
Last updated: Friday, April 10, 2026
File types: PDF, CSV, ZIP

Surface water toxicity data from the [California Environmental Data Exchange Network](https://ceden.waterboards.ca.gov) (CEDEN). CEDEN is the Californ...

California Water Rights Inspections

Published by: California State Water Resources Control Board
Last updated: Friday, August 29, 2025
File types: CSV, XLSX, DOCX

This list includes detail information for each inspection record as stored in the State Water Resources Control Board's "Electronic Water Rights Infor...

CA Urban Retail Water System Water Loss Annual Loss Audit Data

Published by: California Department of Water Resources
Last updated: Saturday, April 11, 2026
File types: CSV

This dataset contains annual validated water loss audit reports submitted to the Department of Water Resources by California urban retail water suppli...

California Water Rights Complaints

Published by: California State Water Resources Control Board
Last updated: Monday, August 25, 2025
File types: CSV, XLSX, DOCX

This list includes detail information for complaints stored in the State Water Resources Control Board's "Electronic Water Rights Information Manageme...

Surface Water - Chemistry Results

Published by: California State Water Resources Control Board
Last updated: Friday, April 10, 2026
File types: PDF, ZIP, CSV

This data provides results from the [California Environmental Data Exchange Network](https://ceden.waterboards.ca.gov) (CEDEN) for field and lab chemi...

Drinking Water - SAFER Dashboard Failing and At-Risk Drinking Water Systems

Published by: California State Water Resources Control Board
Last updated: Saturday, April 11, 2026
File types: PDF, EXCEL (XLSX), CSV

The Division of Drinking Water (DDW) identifies Failing and At-Risk community water systems and K-12 non-transient, non-community schools. This inform...

Water Shortage Vulnerability Datasets

Published by: California Department of Water Resources
Last updated: Saturday, April 11, 2026
File types: HTML

This is the landing page for navigating to all of the water shortage vulnerability datasets provided by California Department of Water Resources. Plea...

DPR Surface Water Database

Published by: California Department of Pesticide Regulation
Last updated: Tuesday, October 29, 2019
File types: CSV

The Department of Pesticide Regulation maintains a Surface Water Database (SURF) containing data from a wide variety of environmental monitoring studi...