US lawWashingtonRegulationsTitle 173 — ECOLOGY, DEPARTMENT OFChapter 173-18 — SHORELINE MANAGEMENT ACT—STREAMS AND RIVERS CONSTITUTING SHORELINES OF THE STATE173-18-190WAC 173-18-190WAC 173-18-190. Island CountyLast amended: 2017Year: 2026Length: 2 wordsOfficial source Streams. None.PreviousWAC 173-18-180NextWAC 173-18-200