Oregon Revised Statutes Public Health and Safety § 459.061

(1) For purposes of any rules adopted by the Environmental Quality Commission pursuant to ORS 459.005 to 459.437 that require a determination that the use of a solid waste is productive, upland placement of dredged material by a port district shall be determined productive. Nothing in this section is intended to affect any other requirement adopted by rule by the commission related to the upland placement of dredged material or other material that is solid waste.

(2) For purposes of this section, “dredged material” means rock, gravel, sand, silt or other similar material removed from waters of the state, whether saturated or not.