Or. Rev. Stat. § 273.765
Any person adding or removing any material to or from submerged or submersible land so as to make necessary or advisable the relocation or extension of a main or outfall described in ORS 273.761 (2) shall be liable to the municipal corporation for all expenses incurred by it in relocating or extending such main or outfall.
[1973 c.511 §1]