US lawWashingtonRegulationsTitle 173 — ECOLOGY, DEPARTMENT OFChapter 173-128A — ODESSA GROUNDWATER MANAGEMENT SUBAREA173-128A-010WAC 173-128A-010WAC 173-128A-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 173-128A-020