Water Quality Control Policy for Siting, Design, Operation and Maintenance of Onsite Wastewater Treatment Systems (OWTS Policy)
Board Adopted Policy
- The State Water Board has developed a web-based map to assist property owners in determining whether they may be affected by the new policy.
Subscribe to our Onsite Wastewater Treatment Policy Implementation 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.
For questions relating to individual septic systems, please contact your local environmental health department or Regional Water Board.
- To find which Regional Water Board regulates your facility, go to the State and Regional Water Boards map and enter the facility's street address.
If you have questions or comments regarding the OWTS Policy, please contact the following individual:
- Timothy O'Brien, P.G.
Senior Engineering Geologist