As used in ORS § 547.063 to 547.083:

(1) ‘Flood control project’ means a system or method, including, but not limited to, canals, ditches, dikes, levees, revetments and floodwalls, for:

(a) The control, diversion, conservation or abatement of floodwater, or of an excessive or unusual accumulation of water, in a natural or artificial body of water; or

(b) The protection of life and property against danger, menace, injury or damage resulting from floodwater, or an excessive or unusual accumulation of water.

(2) ‘Obstruction’ means an encroachment, improvement or trespass that substantially and adversely affects the efficient operation or maintenance of a flood control project or a ditch, lateral, drain, canal, slough, waterway or conduit.

(3) ‘Repair’ includes replace, remove, relocate and upgrade when, in the discretion of the board of supervisors of a drainage district, replacement, removal, relocation or upgrade is necessary to comply with state or federal regulations or to protect and preserve the property of the district. [2015 c.544 § 2]

547.063 to 547.083 were enacted into law by the Legislative Assembly but were not added to or made a part of ORS Chapter 547 or any series therein by legislative action. See Preface to Oregon Revised Statutes for further explanation.