These rules establish requirements for the construction, alteration, repair, operation, and maintenance of onsite wastewater treatment systems. Their purpose is to restore and maintain the quality of public waters and to protect the public health and general welfare of the people of the State of Oregon.
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Oregon Administrative Rules - Chapter 340
Division 71 - Onsite Wastewater Treatment Systems
Division 73 - Construction Standards
Oregon Revised Statutes
Adopted Oregon Administrative Rules – Chapter 340, Divisions 071 and 073