US lawWashingtonRegulationsTitle 173 — ECOLOGY, DEPARTMENT OFChapter 173-20 — SHORELINE MANAGEMENT ACT—LAKES CONSTITUTING SHORELINES OF THE STATE173-20-160WAC 173-20-160WAC 173-20-160. Lakes coming under purview of chapter 90.58 RCW—Columbia County lakesLast amended: 1972Year: 2026Length: 1 wordsOfficial source None.PreviousWAC 173-20-150NextWAC 173-20-170