Subpart LL—Oklahoma RegSenseSafe Drinking WaterCFR SubpartCFR RegulationsWater ProgramsEnvironmental Protection Agency (EPA)Water QualityEnvironmentalWater QualityOklahomaEnglishUnderground Injection ControlFocus Area
�147.1850 State-administered program�Class I, III, IV and V wells.�147.1851 State-administered program�Class II wells.�147.1852 EPA-administered program�Indian lands.['Water Programs']['Underground Injection Control', 'Safe Drinking Water', 'Water Quality']