The requirements of ORS § 448.415 shall not apply to:

(1) Any sewage treatment works with an approved design flow of less than 75,000 gallons a day, if the owner has contracted with a certified operator to provide part-time supervision as the Environmental Quality Commission by rule determines necessary; or

(2) A subsurface sewage disposal system as defined in ORS § 454.605. [1987 c.635 § 7]

See note under 448.405.

(Potable Water Treatment Plants)