Umatilla River: A person must not operate a motorboat in excess of a slow-no wake speed on the Umatilla River between its confluence with the Columbia River and the Three Mile Irrigation Dam.
Or. Admin. Code § 250-020-0323
Statutory/Other Authority: ORS 830.110 & ORS 830.175
Statutes/Other Implemented: ORS 830.110, ORS 830.175 & ORS 830.195