{"data":{"id":"us/40-cfr-144.18","jurisdiction":"us","citation":"40 CFR 144.18","heading":"Requirements for Class VI wells.","body":"Owners or operators of Class VI wells must obtain a permit. Class VI wells cannot be authorized by rule to inject carbon dioxide.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER D—WATER PROGRAMS","PART 144—UNDERGROUND INJECTION CONTROL PROGRAM","Subpart B—General Program Requirements"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-40.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:04Z","sha256":"45d225903cb75d5b5cae6b9609a7d8fb42d9b7f490f8cb7effc730387be7b4e2","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-144.17","next":"us/40-cfr-144.19"},"notice":"GroundRules: Original legal text. Not legal advice."}