Division of Drinking Water's Recycled Water Information


Statutes and Regulations

Current Activities

  • Among the statutes related to recycled water are Water Code sections 13560-13569, which require us to:
    • Adopt regulations for groundwater replenishment using recycled water by June 30, 2014. The regulations, which became effective June 18, 2014, are available here.
    • Adopt regulations for surface water augmentation (SWA) using recycled water by December 31, 2016. The regulations, which became effective October 1, 2018, are available at the SWA regulation webpage. A list of frequently asked questions (FAQs) about the SWA regulations is available here.
    • Submit a report to the legislature on the feasibility of developing uniform water recycling criteria for direct potable reuse by December 31, 2016.
    • Adopt regulations for the raw water augmentation form of direct potable reuse by December 31, 2023. Information on the status of regulation adoption at the direct potable reuse webpage.
  • Water Code section 13558 requires the State Water Board to adopt regulations for onsite treatment and reuse of nonpotable water in multifamily residential, commercial, and mixed use buildings on or before December 1, 2022. Additional information regarding development of these regulations is available on the Regulations for Onsite Treatment and Reuse of Nonpotable Water web page.
  • Water Code section 13521.2 requires the State Water Board, on or before January 1, 2023, to update the uniform statewide criteria for nonpotable recycled water uses (Water Recycling Criteria) to incorporate by reference the criteria and applicable backflow protection provisions, including provisions for the use of swivel or changeover device for dual-plumbed systems, that are contained in the policy handbook adopted pursuant to section 116407 of the Health and Safety Code (the Cross Connection Control Policy Handbook). Additional information regarding the Water Recycling Criteria update is available on the Water Recycling Criteria Update web page.

Guidance Documents

Other Reports

Other Information

Memorandum of Agreement

Contact Us

  • Questions about our recycled water-related activities should be directed to Randy Barnard.