Or. Admin. R. 340-073-0026 - Septic Tanks

(1) Septic tanks must be constructed of concrete, fiberglass, steel, or other non-corrosive materials approved by the department.
(2) Steel septic tanks must be manufactured with 12-gauge or thicker steel. They must be coated inside and out with asphalt or other protective coatings that meet the American National Standards Institute UL 70 standard, Sections 25 through 43, or other coatings of equal or better performance approved by the department.


Or. Admin. R. 340-073-0026
DEQ 27-1994, f. 11-15-94, cert. ef. 4-1-95; DEQ 11-2004, f. 12-22-04, cert. ef. 3-1-05

Stat. Auth.: ORS 454.625 & 468.020

Stats. Implemented: ORS 454.615

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