Subpart G—Colorado
- §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.