eWRIMS – Electronic Water Rights Information Management System

The eWRIMS system is being decommissioned. As of June 9, 2025, Data in eWRIMS is no longer being updated. The eWRIMS public access portal will still be available but will only display data received prior to June 9, 2025. The Division of Water Rights' California Water Accounting, Tracking, and Reporting System (CalWATRS) will replace eWRIMS and will be available for public use starting July 2025.

Read more information on CalWATRS.

The Electronic Water Rights Information Management System (eWRIMS) is a computer database developed by the State Water Resources Control Board to track information on water rights in California. eWRIMS contains information on Statements of Water Diversion and Use that have been filed by water diverters, as well as registrations, certificates, and water right permits and licenses that have been issued by the State Water

eWRIMS Database (View Water Rights)

• eWRIMS Database System (Public Water Rights Database) -  [Note: This link opens in a new window]

The eWRIMS Database System provides information about water rights throughout California. You can search for water rights by several criteria, including the water right owner's name, watershed, stream system, and county.

• eWRIMS Web Mapping Application (GIS) -  [Note: This link opens in a new window]

eWRIMS Report Management System (RMS)

The eWRIMS Report Management System is no longer available. While you can still search for water rights records in eWRIMS, submitting or amending reports through that system is no longer possible.

Reporting will be available through the new CalWATRS system in October. Visit the CalWATRS webpage for more information about what to expect.

eWRIMS Help Center

  Review this guide to understand how to use eWRIMS.

Disclaimer

The State Water Board has attempted to verify that data in the database is correct. However, some data errors still exist. If you find a data error, please send us an email with the record identification number, and a description of the error. If you know the correct data, please provide that information also. Thank you!

The State Water Board is maintaining this web site as a public service. The State Water Board strives to ensure that all technical data and other information made available to the public through this web site is accurate, complete and in conformance with the California Public Records Act. Neither the State Water Board nor the State of California, however, assumes any legal responsibility for the accuracy or completeness of the information contained on this site. Persons using information from this site for official purposes, or other purposes, for which accuracy and completeness are required, are hereby notified that they should first verify the information with the public records or other primary sources from which the information was obtained.