California Water Rights Water Use 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
Data files
| Data title and description | Access data | File details | Last updated |
|---|---|---|---|
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 | Download | ZIP 150.71 MB | 11/10/21 |
California Water Rights Water Use Reported (1914 to 2015) This list includes detail information for WATER USE for reports from 1914 to 2015. | Download | CSV 4.25 GB | 11/11/21 |
California Water Rights Water Use Reported 2016-2018 This list includes detail information for WATER USE for reports from 2016 to 2018. | Download | CSV 5.13 GB | 11/11/21 |
California Water Rights Water Use Reported 2019-on This list includes detail information for WATER USE for reports from 2019. | Download | CSV 3.93 GB | 11/11/21 |
California Water Rights Water Used Reported (Simple Version) THIS LIST IS A SIMPLIFIED VERSION OF THE WATER USE EXTENDED DATASET. 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 | Download | CSV 594.59 MB | 11/11/21 |
Supporting files
| Data title and description | Access data | File details | Last updated |
|---|---|---|---|
DATA DICTIONARY WATER RIGHTS WATER USED REPORTED The Water Rights WATER USE Reported on the Annual Report data dictionary provides a description of each data element, the format, examples, known issues, application to type of water right and a classification. | Download | XLSX 28.29 KB | 11/11/21 |
Data Dictionary Type and Status of Water Rights This is a detail description of the types of water rights listed. | Download | DOCX 32.81 KB | 11/11/21 |
FAQ for Online Reporting This document was used to guide the preparation of the annual reports and serves as a guidance to understand the provided data. it includes links to examples of annual reports by water right type. | Download | PDF 84.84 KB | 11/11/21 |
Sample Report Stockponds Example of the form used to report water rights associated to Stockponds. This form helps understand the data in the context that it was collected. | Download | PDF 1.91 MB | 11/11/21 |
Sample Report Registrations Example of the form used to report water rights associated to Registrations. This form helps understand the data in the context that it was collected. It may not apply to all years. | Download | PDF 2.20 MB | 11/11/21 |
Sample Report Statements Example of the form used to report water rights associated to Statements. This form helps understand the data in the context that it was collected. | Download | PDF 1.93 MB | 11/11/21 |
Sample Report Groundwater Recordation Example of the form used to report water rights associated to Groundwater Recordation. This form helps understand the data in the context that it was collected. | Download | PDF 1.65 MB | 11/11/21 |
Sample Report Permit Example of the form used to report water rights associated to Permits. This form helps understand the data in the context that it was collected. It may not apply to all years. | Download | PDF 1.60 MB | 11/11/21 |
Sample Report Water Right Licenses Example of the form used to report water rights associated to Water Rights Licenses. This form helps understand the data in the context that it was collected. It may not apply to all years. | Download | PDF 2.49 MB | 11/11/21 |
More details
"Additional Information: The unique identifier for the dataset is the combination of Application ID-YEAR-MONTH-DIVERSION TYPE , for example if the annual report for the water right includes diversion type: storage and direct and use, then there woudl be 36 unique rows for that water right for that year with information associated to the water right being repeated (Long Format). The dataset is altready filtered for the revision type ""Last revision"" and includes all the existing associated data to that record. In most cases one to many relationships are resoved by providing an aggegate of the values, the most relevant or recent value, or a reduced number of the most relevant values in the dataset. It does not include the water used for Irrigation, that information is provided on a separate file. Limitations: “Use of this data is subject to the CA.gov Conditions of Use and any copyright and proprietary notices incorporated in or accompanying the individual files.” Data Methodology: The data is maintained in the eWRIMS database by authorized staff in the Division of Water Rights and is an electronic representation of the actual legal water right documents. Some of the data records may not be complete or up to date. Some of the data is directly reported by the Water Right holders and may have not been reviewed or veryfied for accuracy and completeness (QAQC)."
State of California. The data can be filtered by spatial references such as Latitude and Longitude, County, Hydrologic Units (HUC), etc.
One row per combination of Application ID-YEAR-MONTH-DIVERSION TYPE
English
CSV (Flat File)