US lawWashingtonRegulationsTitle 173 — ECOLOGY, DEPARTMENT OFChapter 173-20 — SHORELINE MANAGEMENT ACT—LAKES CONSTITUTING SHORELINES OF THE STATE173-20-750WAC 173-20-750WAC 173-20-750. Lakes coming under purview of chapter 90.58 RCW—Walla Walla County lakes of statewide significanceLast amended: 1972Year: 2026Length: 1 wordsOfficial source None.PreviousWAC 173-20-740NextWAC 173-20-760