Subpart WW—Washington RegSenseSafe Drinking WaterCFR SubpartCFR RegulationsWater ProgramsEnvironmental Protection Agency (EPA)Water QualityEnvironmentalWashingtonWater QualityEnglishUnderground Injection ControlFocus Area
�147.2400 State-administered program�Class I, II, III, IV, and V wells.�147.2403 EPA-administered program�Indian lands.�147.2404 EPA-administered program�Colville Reservation.['Water Programs']['Underground Injection Control', 'Safe Drinking Water', 'Water Quality']