Regulations for Onsite Treatment and Reuse of Nonpotable Water (SBDDW-22-001)

Background

California Water Code section 13558 requires the State Water Board to adopt regulations on or before December 1, 2022, for risk-based water quality standards for the onsite treatment and reuse of nonpotable water for nonpotable end uses in multifamily residential, commercial, and mixed-use buildings.

Status of Proposal

This rulemaking has started and is in progress.

Rulemaking Documentation

45-Day Comment Period Documentation

15-Day Comment Period Documentation

Information and documentation pertaining to a 15-day comment period will be provided here.

Board Resolution Adoption Hearing

Information and documentation pertaining to a Resolution to adopt the proposed regulations will be provided here.

Final Documentation

Information and documentation pertaining to final rulemaking documentation will be provided here.

Sections Affected

California Code of Regulations: Title 22 Sections: 60600, 60602, 60604, 60606, 60608, 60610, 60620, 60622, 60624, 60630, 60630, 60634, 60640, 60642, 60670, 60672, 60674, 60676, 60678, 60680, 60682, 60684, 60686, 60688, 60690, 60692, 60694, 60696, 60700, 60702, 60704, 60706, 60708, 60710.

History of Rulemaking Proceedings

  • California Regulatory Notice Register: Register 2025, Volume Number 12-Z, Notice File Number: Z-2025-0311-02
  • Notice of Proposed Rulemaking Publication Date: March 21, 2025
  • Start of Public Comment Period: March 21, 2025
  • Date of Public Hearing: May 8, 2025
  • Close of 45-day Public Comment Period: May 9, 2025
  • Notice of Public Availability of Changes to Proposed Regulations: TBD
  • Close of 15-day Public Comment Period: TBD
  • Board Adoption Hearing: TBD
  • Submission of Rulemaking File to OAL: TBD
  • Approval by Office of Administrative Law: TBD
  • Filed with the Secretary of State: TBD
  • Effective Date of the Regulations: TBD

Return to Onsite Treatment and Reuse of Nonpotable Water page

Contact Information

Inquiries regarding the contents of these regulations may be directed to:

Sherly Rosilela
Senior Water Resource Control Engineer
(916) 341-5578
Sherly.Rosilela@waterboards.ca.gov

Randy Barnard
Supervising Water Resource Control Engineer
Technical Operations Section
(619) 525-4022
Randy.Barnard@waterboards.ca.gov

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Contacts

For Questions or Comments, please contact: