Distribution and Storage of Water ORS 540.440 Owner to clear weeds from ditch right of way Text Annotations 1 All persons owning or controlling any water ditches shall keep their right of way along the ditches clean and free from wild oats, mustard, thistles, or any weeds or noxious grasses whatsoever. [Amended by 2011 c.9 §73] Chapter 540 Law Review Citations 11 EL 390 (1981)