Water Quality Control Policy for Siting, Design, Operation and Maintenance of Onsite Wastewater Treatment Systems (OWTS Policy)

Online Resources

US Environmental Protection Agency Resources: National Small Flow Clearinghouse Resources:

National Organization for Onsite Wastewater Recycling

NSF International - Non-Profit, Non-Governmental Agency Resource Page: The California Onsite Wastewater Association:
  • http://www.cowa.org/ - “environmentally and economically sound onsite wastewater technology and management practices.”
2007 California Plumbing Code Appendix K
  • Appendix K - Information regarding private sewage disposal systems.
CalRecycle Information on Tire-Derived Aggregate (TDA)