US lawWashingtonRegulationsTitle 173 — ECOLOGY, DEPARTMENT OFChapter 173-130A — ODESSA GROUNDWATER SUBAREA MANAGEMENT POLICY173-130A-010WAC 173-130A-010WAC 173-130A-010. AuthorityLast amended: 1982Year: 2026Length: 23 wordsOfficial source This regulation is promulgated by the department of ecology under authority and procedures provided in chapters 34.04 , 43.21A. 90.03 and 90.44 RCW.NextWAC 173-130A-020