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844 datasets

Delta 2016 Land Use Data

  • Published by: California Department of Water Resources
  • Last updated: Tuesday, April 7, 2026
  • File types: ZIP

Delta 2016 Land Use Data that is used for DETAW-DCD....

Drinking Water - Laboratory Water Quality Results

  • Published by: California State Water Resources Control Board
  • Last updated: Tuesday, October 29, 2019
  • File types: PDF

The Division of Drinking Water requires laboratories to submit water quality data directly. The data is received, and published twice monthly on the D...

Ground Water - Water Quality Regulatory Information

  • Published by: California State Water Resources Control Board
  • Last updated: Monday, April 6, 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...

Drinking Water - Public Water System Information

  • Published by: California State Water Resources Control Board
  • Last updated: Thursday, August 22, 2024
  • File types: PDF, CSV

The is a curated dataset of information for all public water systems (PWS) in California, including the name, location and some general informaiton fo...

Surface Water - Water Quality Regulated Facility Information

  • Published by: California State Water Resources Control Board
  • Last updated: Tuesday, April 7, 2026
  • File types: CSV, XLSX, PDF

Information regarding site visits of facilities that discharge wastewater, from the [California Integrated Water Quality System](https://www.waterboar...

Drinking Water - Public Water Systems Rates Information

  • Published by: California State Water Resources Control Board
  • Last updated: Tuesday, October 29, 2019
  • File types: CSV, PDF

Public Water Systems (PWS) submit their annual reports with rate information using the Electronic Annual Report (EAR) submission process on the Drinki...

State Water Project Routine Water Quality Monitoring

  • Published by: California Department of Water Resources
  • Last updated: Tuesday, April 7, 2026
  • File types: CSV, LINK, PDF

The California State Water Project (SWP) is one of the nation’s largest water conveyance projects. Its geographic extent stretches from Sierra Nevada ...

Microplastic and Microparticle Data from Surface Water: San Francisco Bay and Adjacent Sanctuaries

  • Published by: California Ocean Protection Council
  • Last updated: Friday, April 3, 2026
  • File types: XLSX, PDF

The San Francisco Estuary Institute and 5 Gyres completed a comprehensive regional study of microplastic pollution of a major urban estuary and adjace...

Surface Water - 2017 California Water Quality Status Report

  • Published by: California State Water Resources Control Board
  • Last updated: Wednesday, October 23, 2019
  • File types: ZIP

The California Water Boards’ Water Data Center is proud to present the CA Water Quality Status Report. This report is an annual data-driven snapshot ...

i07 Water Shortage Vulnerability Small Water Systems

  • Published by: California Department of Water Resources
  • Last updated: Tuesday, April 7, 2026
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This dataset represents a water shortage vulnerability analysis performed by DWR using Small Water System boundaries pulled from the SWRCB (State Wate...