ExperimentalWe used data and feedback to make a user-friendly site. We’d love your feedback.
Back to data.ca.gov.

Search Water datasets

549 datasets

Delta 2016 Land Use Data

  • Published by: California Department of Water Resources
  • Last updated: Wednesday, July 2, 2025
  • File types: ZIP

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

DPR Surface Water Database

  • Published by: California Department of Pesticide Regulation
  • Last updated: Tuesday, October 29, 2019
  • File types: CSV

The Department of Pesticide Regulation maintains a Surface Water Database (SURF) containing data from a wide variety of environmental monitoring studi...

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...

Surface Water - 2018 California Water Quality Status Report

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

The California Water Quality Status Report is an annual data-driven snapshot of the Water Board’s water quality and ecosystem data. This second editio...

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...

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 ...

2019 California Water Quality Status Report

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

The California Water Quality Status Report is an annual data-driven snapshot of the Water Board’s water quality and ecosystem data. This third edition...

Surface Water - Flow Targets for Southern California Streams

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

Changes to instream flow are known to be one of the major factors that affect the health of biological communities. Flow alteration can degrade physic...

State Water Project Delivery Capability Report (DCR) 2017

  • Published by: California Department of Water Resources
  • Last updated: Wednesday, July 2, 2025
  • File types: ZIP, PDF

State Water Project Delivery Capability Report 2017, report, model, and data analysis...

Ocean Acidification, Hypoxia (West Coast) and Biological (California) Monitoring Locations

  • Published by: California Ocean Protection Council
  • Last updated: Friday, June 27, 2025
  • File types: CSV, GEOJSON

Ocean Acidification and Hypoxia (OAH) and ecosystem monitoring project locations compiled by Ocean Protection Council staff....