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179 datasets
California's Groundwater Update 2025 (Bulletin 118)
- Published by: California Department of Water Resources
- Last updated: Friday, May 15, 2026
- File types: PDF, XLS, URL, .ZIP
California's Groundwater: Bulletin 118 Updates (CalGW Updates) are a continuing series of California's primary technical publications on groundwater r...
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...
CalEnviroScreen 2.0
- Published by: California Office of Environmental Health Hazard Assessment
- Last updated: Wednesday, October 23, 2019
- File types: CSV, XLSX, PDF
The Office of Environmental Health Hazard Assessment (OEHHA), on behalf of the California Environmental Protection Agency (CalEPA), developed Californ...
CalEnviroScreen 3.0 Results
- Published by: California Office of Environmental Health Hazard Assessment
- Last updated: Wednesday, October 23, 2019
- File types: PDF, CSV, SHP
CalEnviroScreen is a mapping tool that helps identify California communities that are most affected by many sources of pollution, and where people are...
Drinking Water - SAFER Dashboard Failing and At-Risk Drinking Water Systems
- Published by: California State Water Resources Control Board
- Last updated: Thursday, May 14, 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...
SWAMP Data Dashboard
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, May 12, 2026
- File types: PDF, CSV
This dataset supports the [SWAMP Data Dashboard](https://gispublic.waterboards.ca.gov/swamp-data/), a public-facing tool developed by the [Surface Wat...
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...
Surface Water - Toxicity Results
- Published by: California State Water Resources Control Board
- Last updated: Tuesday, May 12, 2026
- File types: PDF, CSV, ZIP
Surface water toxicity data from the [California Environmental Data Exchange Network](https://ceden.waterboards.ca.gov) (CEDEN). CEDEN is the Californ...
Statewide Crop Mapping
- Published by: California Department of Water Resources
- Last updated: Friday, May 15, 2026
- File types: DATA, ZIP, PDF, REST SERVICE, GDB, SHP, STORY MAPS
The California Department of Water Resources (DWR) has been collecting land use data throughout the state and using it to produce agricultural water u...