CFR›Title 40›Chapter I›Part 144›Subpart G›Subject Group Requirements for All Class V Injection Wells ContainsSections 144.82–144.84CorpusDaily eCFRDisplayed edition2026-05-18Last updated2026-05-18 Sections 144.82 § 144.82 What must I do to protect underground sources of drinking water? 144.83 § 144.83 Do I need to notify anyone about my Class V injection well? 144.84 § 144.84 Do I need to get a permit? Previous Definition of Class V Injection Wells Definition of Class V Injection Wells