OAR 340-073-0026: Septic Tanks
Edition: Current OARD snapshotEffective: 2026-01-01Last verified: 2026-09-07
Septic tanks must be constructed of concrete, fiberglass, or other non-corrosive materials approved by DEQ.
Official history and status
Statutory/Other Authority: ORS 454.625 & 468.020
Statutes/Other Implemented: ORS 454.615
History: DEQ 29-2025, amend filed 10/01/2025, effective 01/01/2026 DEQ 11-2004, f. 12-22-04, cert. ef. 3-1-05 DEQ 27-1994, f. 11-15-94, cert. ef. 4-1-95
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Official source: https://secure.sos.state.or.us/oard/