Oregon Revised Statutes Public Health and Safety § 454.787

(a) Improper collection, storage, transportation, treatment, recycling and disposal of septage is a threat to the quality of the waters of this state, to the health, safety and welfare of Oregonians and to the fish and wildlife resources of this state.

(b) In many instances throughout the state, septage is not being collected frequently enough to prevent septic system failures.