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
- Notice of Proposed Rulemaking
- Text of Proposed Regulations
- Preliminary Standard Form 399 and attachment
- Initial Statement of Reasons (ISOR)
- Live links are provided to "Documents Incorporated By Reference" (Appendix A) and "Documents Relied Upon" (Appendix B) in the ISOR. These documents are also available from the State Water Board. To obtain copies, please send an email to DDWrecycledwater@waterboards.ca.gov with subject line "SBDDW-22-001 onsite reuse references".
- ISOR Appendix C - Economic Impact Assessment
- To obtain a copy of the Scientific Peer Review (Appendix D), please send an email to: DDWrecycledwater@waterboards.ca.gov with subject line "SBDDW-22-001 onsite reuse references".
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
Subscribe to Mailing List
Subscribe to our Drinking Water Onsite Non-potable Reuse email list to receive notifications and the latest updates. After subscribing, you will need to check your email host for a confirmation email to complete the subscription.
Contacts
For Questions or Comments, please contact:
- Sherly Rosilela
Senior Water Resource Control Engineer
(916) 341-5578
Sherly.Rosilela@waterboards.ca.gov - Report an Environmental Concern