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
56 datasets
Water Quality - Effluent - Electronic Self-Monitoring Report (eSMR) Data
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, June 3, 2025
- File types: 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...
Surface Water - Freshwater Harmful Algal Blooms
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, June 3, 2025
- File types: PDF, CSV
Freshwater harmful algal bloom (HAB) data from the Freshwater Harmful Algal Bloom (FHAB) data system. The FHAB data system is the California State Wat...
SWAMP Data Dashboard
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, June 3, 2025
- File types: CSV
The Surface Water Ambient Monitoring Program (SWAMP) mission is to provide resource managers, decision makers, and the public with timely, high-qualit...
Surface Water - Indicator Bacteria Results
- Published by: California State Water Resources Control Board
- Last updated: Monday, June 2, 2025
- File types: CSV, PDF
Indicator bacteria data from the California Environmental Data Exchange Network (CEDEN) and BeachWatch databases. Results include E. coli, enterococci...
Drinking Water - SAFER Dashboard Failing and At-Risk Drinking Water Systems
- Published by: California State Water Resources Control Board
- Last updated: Monday, June 2, 2025
- 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...
Stormwater - Regulatory (including Enforcement Actions) Information and Water Quality Results
- Published by: California State Water Resources Control Board
- Last updated: Friday, May 30, 2025
- 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...
Urban Water Use Objectives – Relevant Data
- Published by: California State Water Resources Control Board
- Last updated: Thursday, May 29, 2025
- 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...
Central Valley Water Board E. coli Monitoring Results
- Published by: California State Water Resources Control Board
- Last updated: Thursday, May 29, 2025
- File types: CSV
Draft - E. coli monitoring results from the Central Valley Regional Water Quality Control Board. _E. coli_ is a type of bacteria used to indicate feca...
Urban Water Use Objectives – Compiled Report Data
- Published by: California State Water Resources Control Board
- Last updated: Thursday, May 29, 2025
- 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...
Urban Retail Water Supplier - Water Conservation, Supply, and Demand (June 2014 onwards)
- Published by: California State Water Resources Control Board
- Last updated: Wednesday, May 28, 2025
- 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...