Water Quality Control Policy for Siting, Design, Operation and Maintenance of Onsite Wastewater Treatment Systems (OWTS) Policy
OWTS Policy Ex Parte Disclosures
- February 28, 2023, The Gualco Group, Inc, Infiltrator Water Technologies, Board Vice Chair Dorene D’Adamo and Board Member Laurel Firestone Communication Ex Parte Form
- October 31, 2022, California Coastkeepers Alliance and State Water Board Vice Chair Dorene D’Adamo Communication Ex Parte Form
- January 9, 2023, The Gualco Group, Inc, Infiltrator Water Technologies, and Board Member Nichole Morgan Communication Ex Parte Form
- January 6, 2023, The Gualco Group, Inc, Infiltrator Water Technologies, and Board Member Sean Maguire Communication Ex Parte Form
OWTS Policy Renewal Staff Workshop October 4, 2022
- October 4, 2022 Staff Workshop Recording
Please email staff at DWQ-WDR@Waterboards.ca.gov for a copy of the presentation slides
Draft OWTS Policy renewal documents for public comment released September 16, 2022
- Draft OWTS Policy (September 16, 2022)
- Draft OWTS Policy Staff Report (September 16, 2022)
Please email DWQ-WDR@Waterboards.ca.gov for a pdf copy of the Draft Policy Document
OWTS Policy Renewal Public Notice August 17, 2022
OWTS Policy Update, April, 2018
Board Adopted (Final) Documents:
Board Adopted Policy
Map Tool
More Information
- Water Quality Data (CEDEN and Geotracker)
- Financial Assistance
- Technical Resources
- Waste Discharge Requirements
- USEPA SepticSmart Program
- OWTS Policy
Onsite Wastewater Treatment Systems Policy
- Accessory Dwelling Unit Permitting Guidelines Onsite Wastewater Treatment
- Local Agency Reporting of Groundwater Monitoring Data
- Local Agency Monitoring and Reporting Requirements
- Water Quality Control Policy for Siting, Design, Operation and Maintenance
- Commercial Food Service Wastewater Issues
- OWTS Policy Guidance Timeline Table
- LAMP Contact List
Background
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.