California Water Rights Water Used Reported
This list includes detail information for WATER USE as reported annually under each water right as stored in the State Water Resources Control Board's "Electronic Water Rights Information Management System" (EWRIMS) database. All water right holders are required to submit an online report of water diversion and use detailing their monthly water diversion, storage and use (even if no water was diverted or used during the period). The information is required pursuant to Title 23, Sections 847 and 925, of the California Code of Regulations. The annual report contains information about the water diversion and use. Each row correspond with a unique annual report-water right id, month and diversion type combination and its associated data. The list include basic summary information about the Water Right record, such as the type and status, the location of the Points of Diversion, the amount of water allowed (Face Value), and summary data associated with the electronic Water Right record. This file is in flat file LONG format and may not include all information associated to a water right such all uses and seasons. The information associated with crop irrigation is not included in this list but is included on a separate file. Other information may be available in the associated flat files for each category. Examples of annual reports templates are provided as supporting information. The dataset is also available in "Wide Format" by reporting year using the eWRIMS public report system here https://ciwqs.waterboards.ca.gov//ciwqs/ewrims/reportingDiversionDownloadPublicSetup.do
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Additional Information
| Field | Value |
|---|---|
| Data last updated | November 13, 2021 |
| Metadata last updated | November 20, 2025 |
| Created | November 13, 2021 |
| Format | ZIP |
| License | License not specified |
| Datastore active | False |
| Has views | False |
| Id | b2c62900-5942-4106-9f13-e91b50c6586d |
| Mimetype | application/zip |
| Package id | 28e8dce2-deee-46ae-b3b6-9bdfc3918dae |
| Position | 0 |
| State | active |