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Water Board's Onsite Waste Water Treatment Systems

Statewide Septic Systems Policy - OWTS

Historical Data

In this and all documents related to the State Water Board’s proposed policy, the term Onsite Wastewater Treatment System(s) (OWTS) is used.

To review earlier documents, please visit the links below. They contain additional information on OWTS that has been instrumental in developing the latest proposed policy documents.