California State Water Resources Control Board
Website: https://www.waterboards.ca.gov/
To preserve, enhance, and restore the quality of California’s water resources and drinking water for the protection of the environment, public health, and all beneficial uses, and to ensure proper water resource allocation and efficient use, for the benefit of present and future generations.
Search California State Water Resources Control Board datasets
55 datasets
Urban Retail Water Supplier - Water Conservation, Supply, and Demand (June 2014 onwards)
- Published by: California State Water Resources Control Board
- Last updated: Wednesday, May 13, 2026
- File types: PDF, CSV, XLSX
Monthly reports of water use and conservation activities by urban retail water suppliers, which are generally defined as agencies serving over 3,000 s...
Water Quality - Effluent - Electronic Self-Monitoring Report (eSMR) Data
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, May 5, 2026
- File types: PDF, ZIP, CSV
Wastewater discharges are regulated by the Water Board. Those regulated are generally required to submit Self-Monitoring Reports to the State or Regio...
Ground Water - Water Quality Regulatory Information
- Published by: California State Water Resources Control Board
- Last updated: Monday, May 4, 2026
- File types: CSV
GeoTracker is the Water Boards' data management system for sites that impact, or have the potential to impact, water quality in California, with empha...
Urban Water Use Objectives – Compiled Report Data
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, April 21, 2026
- File types: CSV
The Making Conservation a California Way of Life regulation requires urban retail water suppliers to annually calculate their Urban Water Use Objectiv...
Surface Water - Chemistry Results - CEDEN Augmentation
- Published by: California State Water Resources Control Board
- Last updated: Wednesday, April 15, 2026
- File types: CSV, PDF
This dataset includes field and lab chemistry data that has been submitted to the [California Environmental Data Exchange Network](https://ceden.water...
Surface Water - Habitat Results
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, April 14, 2026
- File types: PDF, ZIP, CSV
This data provides results from field analyses, from the [California Environmental Data Exchange Network](https://ceden.waterboards.ca.gov) (CEDEN). T...
Surface Water - Aquatic Organism Tissue Sample Results
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, April 14, 2026
- 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...
Surface Water - Chemistry Results
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, April 14, 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...
Surface Water - Benthic Macroinvertebrate Results
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, April 14, 2026
- File types: PDF, CSV, ZIP
Data collected for marine benthic infauna, freshwater benthic macroinvertebrate (BMI), algae, bacteria and diatom taxonomic analyses, from the [Califo...
Surface Water - Sampling Location Information
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, April 14, 2026
- File types: PDF, CSV
Information about sampling locations for data from the [California Environmental Data Exchange Network](https://ceden.waterboards.ca.gov) (CEDEN). Thi...