Annual Water Diversion and Use Reporting Help

On September 23, 2021, Governor Gavin Newsom signed Senate Bill (SB) 155 (Statutes 2021, Chapter 258, Committee on Budget and Fiscal Review), which modifies the reporting deadline and reporting period for annual water use to the Division of Water Rights.  See below for more details. 

Important Dates for 2022

  • January 3, 2022 – Annual Water Diversion and Use Reports for the 2021 reporting year are available on the Report Management System.
  • February 2022 – The Division of Water Rights mails reminder notices with user IDs and passwords to primary owners and agents.
  • April 1, 2022 – Reporting deadline for Appropriative Rights, Stockpond Certificates, and Registrations

What’s New for 2022

  • A new water reporting law (Senate Bill 155 ) modifies the water use reporting periods and deadlines.  In 2022, water right holders must report on their water use between January 1, 2021 and September 30, 2021 by April 1, 2022. Water use for October 1, 2021 through September 30, 2022 (water year) will be reported by February 1, 2023. See the SB 155 bill language for more information. An illustrative chart of changes is provided below and in detail here.
Reporting Period Reporting Begins Reporting Deadline
January 1, 2021 -September 30, 2021 January 1, 2022 April 1, 2022
October 1, 2021 - September 30, 2022 October 1, 2022 February 1, 2023
October 1, 2022 - September 30, 2023 October 1, 2023 February 1, 2024

Filing your Annual Water Use Report

View your water right record on eWRIMS to review the terms and conditions of your water right.

Information you should gather before filling out your report online:

  • Use of water Information
      • Types of beneficial uses
      • Crop information for irrigation use, including area irrigated
  • Monthly water diversion amounts for the following:
    • Amount directly diverted
    • Amount diverted to storage
    • Amount used

  • Monthly Maximum Rate of Diversion (if available)
  • Water Transfer Information
  • Water Supply Contract Information
  • Measurement Device Information (for diversions > 10 acre-feet annually)
  • Reservoir Information (if your water right includes storage)
      • Name of reservoir
      • Spillway Information
      • Water Levels
  • Water Conservation Information
  • Water Quality and Wastewater Reclamation
  • Conjunctive Use of Groundwater and Surface Water

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