These rules establish requirements for constructing, altering, repairing, operating, and maintaining 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.

Statutory/Other Authority

ORS 454.625 & 468.020

Statutes/Other Implemented

ORS 454.605 - 454.779

History

DEQ 29-2025, amend filed 10/01/2025, effective 01/01/2026
DEQ 15-2017, amend filed 10/31/2017, effective 11/01/2017
DEQ 11-2004, f. 12-22-04, cert. ef. 3-1-05
DEQ 27-1994, f. 11-15-94, cert. ef. 4-1-95
DEQ 10-1981, f. & ef. 3-20-81