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Subpart G-Colorado RegSenseSafe Drinking WaterCFR SubpartCFR RegulationsWater ProgramsEnvironmental Protection Agency (EPA)Water QualityColoradoEnvironmentalWater QualityEnglishUnderground Injection ControlFocus Area
§147.300 State-administered program—Class II wells.§147.301 EPA-administered program—Class I, III, IV, V wells and Indian lands.§147.302 Aquifer exemptions.§147.303 Existing Class I, II (except enhanced recovery and hydrocarbon storage) and III wells authorized by rule.§147.304 Existing Class II enhanced recovery and hydrocarbon storage wells authorized by rule.§147.305 Requirements for all wells.READ MORESHOW LESS['Water Programs']['Water Quality', 'Safe Drinking Water', 'Underground Injection Control']