Cross-Connection Control Policy Handbook

Policy Handbook Updates

The Cross-Connection Control Policy Handbook (CCCPH) takes effect July 1, 2024. An FAQ on requirements effective July 1, 2024 is posted on the Guidance Documents.

The CCCPH was updated in March 2025 to align specific due dates with the effective date of the CCCPH. Updated CCCPH and log of all changes made:

The Division of Drinking Water, Cross-Connection Control Committee (Committee) is proposing an extension of upcoming deadlines and additional minor changes to the CCCPH and intends to bring the changes to the State Water Board for adoption in a June board hearing. The following are a draft CCCPH and list of proposed changes:

The Committee is accepting comments regarding the proposed changes at backflow@waterboards.ca.gov. Comments unrelated to the proposed changes will be received but not addressed in the proposed update. The final date for written comments to be submitted to the State Water Board is May 8, 2025. An opportunity to provide verbal comments will be made available on May 8, 2025, starting at 2:00 PM via a Microsoft Teams meeting; information on how to join the meeting will be posted on this website prior to the meeting.

The Committee has released four Cross-Connection Control Plan (CCC Plan) templates, one for transient noncommunity water systems, one for nontransient noncommunity water systems, and two for small community water systems with less than 1,000 connections. The Committee has also prepared a training video on the CCCPH for water systems and stakeholders, linked below under Other Guidance Documents.

The Committee is also working on the following additional guidance materials:

  • Guidance on the fire sprinkler requirements in the CCCPH - TBD

Comments and inquiries regarding the Cross-Connection Control Policy Handbook may be directed to: backflow@waterboards.ca.gov

Guidance Documents

Cross-connection Control Plan (CCCP) Templates

  • Community Water Systems (CWS) serving ≤200 connections (pdf) (Word)
  • Community Water Systems (CWS) serving 201–999 connections (pdf) (Word)
  • Nontransient Noncommunity (NTNC) Water Systems (pdf) (Word)
  • Transient Noncommunity (TNC) Water Systems (pdf) (Word)

Other Guidance Documents

View Rulemaking History.