US lawWashingtonRegulationsTitle 173 — ECOLOGY, DEPARTMENT OFChapter 173-591 — RESERVATION OF FUTURE PUBLIC WATER SUPPLY FOR THURSTON COUNTY173-591-020WAC 173-591-020WAC 173-591-020. AuthorityLast amended: 1986Year: 2026Length: 19 wordsOfficial source This regulation is adopted pursuant to the Water Resources Act of 1971, chapter 90.54 RCW and chapter 173-590 WAC.PreviousWAC 173-591-010NextWAC 173-591-030