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684 datasets

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...

Water Quality - Effluent - Electronic Self-Monitoring Report (eSMR) Data

  • Published by: California State Water Resources Control Board
  • Last updated: Thursday, April 2, 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...

Drinking Water - Public Water System Annually Reported Water Production and Delivery Information 2013-2022

  • Published by: California State Water Resources Control Board
  • Last updated: Wednesday, November 27, 2024
  • File types: PDF, ZIP, CSV, XLSX

Amount of water produced by month and by source and the water delivered by type of use and by month for every Public Water System (PWS) reporting. Pub...

High 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...

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...

Water Budget Handbook

  • Published by: California Department of Water Resources
  • Last updated: Sunday, April 12, 2026
  • File types: PDF, XLSX

The California Department of Water Resources (DWR) has released a draft "Handbook for Water Budget Development: With or Without Models" (Water Budget ...

Low Water Line

  • Published by: California State Lands Commission
  • Last updated: Monday, November 6, 2023
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, GEOJSON, ZIP, KML

This data was created to depict portions of state-owned Sovereign Lands that are under the jurisdiction of the California State Lands Commission. Data...

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

  • Published by: California State Water Resources Control Board
  • Last updated: Sunday, April 12, 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...

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...

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...