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U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
All Titles
Title 40
Chapter I
Part 147
Subpart QQ - Subpart QQ—South Dakota
§ 147.2100 - State-administered program—Class II wells.
§ 147.2101 - EPA-administered program—Class I, III, IV and V wells and all wells on Indian lands.
§ 147.2102 - Aquifer exemptions.
§ 147.2103 - Existing Class II enhanced recovery and hydrocarbon storage wells authorized by rule.
§ 147.2104 - Requirements for all wells.
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