US lawWashingtonRegulationsTitle 173 — ECOLOGY, DEPARTMENT OFChapter 173-130A — ODESSA GROUNDWATER SUBAREA MANAGEMENT POLICY173-130A-150WAC 173-130A-150WAC 173-130A-150. Water dutyLast amended: 1982Year: 2026Length: 23 wordsOfficial source The duty of water issued in permits for agricultural irrigation shall be not more than 2.5 acre feet per acre per calendar year.PreviousWAC 173-130A-140NextWAC 173-130A-160