US lawWashingtonRegulationsTitle 173 — ECOLOGY, DEPARTMENT OFChapter 173-128A — ODESSA GROUNDWATER MANAGEMENT SUBAREA173-128A-030WAC 173-128A-030WAC 173-128A-030. PurposeLast amended: 1982Year: 2026Length: 23 wordsOfficial source The purpose of this regulation is to expand the boundaries of the Odessa groundwater subarea as originally set forth in chapter 173-128 WAC.PreviousWAC 173-128A-020NextWAC 173-128A-040