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145 datasets

Toxicity Criteria Database

Published by: California Office of Environmental Health Hazard Assessment
Last updated: Tuesday, December 30, 2025
File types: CSV, PDF

Toxicity data for Air (Acute and Chronic Reference Exposure Levels (RELs)), Water (Public Health Goals (PHGs)), Soils (California Human Health Screeni...

Urban Water Use Objectives – Relevant Data

Published by: California State Water Resources Control Board
Last updated: Friday, April 3, 2026
File types: CSV

The Making Conservation a California Way of Life regulation requires urban retail water suppliers (URWS) to annually calculate their Urban Water Use O...

Drinking Water - Open Environmental Data Project - March 23, 2023 Workshop

Published by: California State Water Resources Control Board
Last updated: Monday, November 10, 2025
File types: PDF, HTML, CSV, SHP, ZIP, PPTX

The following datasets related to regulated drinking water system facilities in California have been developed and are available for the purpose of th...

California Water Rights Annual Reports (Detail Summary List)

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

This list includes detail information as reported annually under each water right as stored in the State Water Resources Control Board's "Electronic W...

California Water Rights Irrigation Use Annual Reports

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

This list includes detail information for IRRIGATION WATER USE as reported annually under each water right as stored in the State Water Resources Con...