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

Search Water datasets

625 datasets

Dayflow

  • Published by: California Department of Water Resources
  • Last updated: Monday, April 21, 2025
  • File types: XLSX, PDF, CSV, DOCX

Dayflow is a computer program developed in 1978 as an accounting tool for determining historical Delta boundary hydrology. It presently provides the ...

WRIMS GUI

  • Published by: California Department of Water Resources
  • Last updated: Monday, April 21, 2025
  • File types: ZIP, DOCX, PDF, JAR, DLL, LOG, BAT, APPLICATION/X-MSDOS-PROGRAM

WRIMS GUI related software package and documents...

i03 IRWM Regions

  • Published by: California Department of Water Resources
  • Last updated: Thursday, April 10, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

NOTE: The IRWM polygons overlap each other. This polygon Feature Class includes IRWM planning regions participating in the State of California Departm...

i15 Crop Mapping 2021

  • Published by: California Department of Water Resources
  • Last updated: Monday, April 21, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

Land use data is critically important to the work of the Department of Water Resources (DWR) and other California agencies. Understanding the impacts ...

IWFM-IDC Users Group Meetings

  • Published by: California Department of Water Resources
  • Last updated: Monday, April 21, 2025
  • File types: ZIP, MP4

Presentations given in the previous IWFM-IDC Users Group Meetings. Bay-Delta Office of DWR develops, maintains and provides technical support on the I...

i17 StateWaterProject ConstructionDivisions

  • Published by: California Department of Water Resources
  • Last updated: Monday, April 21, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a line dataset that delineates the extent of State Water Project construction divisions. The locations of the construction divisions were deri...

i17 StateWaterProject Repayment Reaches

  • Published by: California Department of Water Resources
  • Last updated: Monday, April 21, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API, CSV, ZIP, GEOJSON, KML

This is a line dataset that delineates the extent of State Water Project repayment reaches. The locations of the repayment reaches were derived from D...

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...

ECO-PTM Paper

  • Published by: California Department of Water Resources
  • Last updated: Saturday, April 19, 2025
  • File types: PDF

The Department of Water Resources Modeling Support Office, in collaboration with the United States Geological Survey (USGS), has developed an individu...

Open and Transparent Water Data Act — Implementation Journal

  • Published by: California Department of Water Resources
  • Last updated: Monday, April 21, 2025
  • File types: HTML, ARCGIS GEOSERVICES REST API

As the world moves toward data-driven decisions and governmental transparency, the 2016 Open and Transparent Water Data Act (AB 1755, Dodd) provides u...