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206 datasets

Water Budget Handbook

  • Published by: California Department of Water Resources
  • Last updated: Thursday, April 2, 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 ...

CA Urban Retail Water System Water Loss Annual Loss Audit Data

  • Published by: California Department of Water Resources
  • Last updated: Thursday, April 2, 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: Wednesday, March 4, 2026
  • File types: PDF, ZIP, CSV

This data provides results from the [California Environmental Data Exchange Network](https://ceden.org/) (CEDEN) for field and lab chemistry analyses....

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...

California Water Rights Investigations

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

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

Surface Water - Toxicity Results

  • Published by: California State Water Resources Control Board
  • Last updated: Tuesday, March 24, 2026
  • File types: PDF, CSV, ZIP

Surface water toxicity data from the [California Environmental Data Exchange Network](https://ceden.org/) (CEDEN). CEDEN is the California State Water...

California Water Rights Violations

  • 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 violation record as stored in the State Water Resources Control Board's "Electronic Water Rights Inform...

Surface Water - Habitat Results

  • Published by: California State Water Resources Control Board
  • Last updated: Wednesday, March 4, 2026
  • File types: PDF, ZIP, CSV

This data provides results from field analyses, from the [California Environmental Data Exchange Network](https://ceden.org/) (CEDEN). The data set co...

Drinking Water - Results of Lead Sampling of Drinking Water in California Schools

  • Published by: California State Water Resources Control Board
  • Last updated: Monday, September 30, 2024
  • File types: CSV

The Division of Drinking Water (DDW), in collaboration with the California Department of Education, has taken the initiative to begin testing for lead...