{"data":{"id":"us/40-cfr-141.541","jurisdiction":"us","citation":"40 CFR 141.541","heading":"What are significant changes to disinfection practice?","body":"Significant changes to disinfection practice include:\n(a) Changes to the point of disinfection;\n(b) Changes to the disinfectant(s) used in the treatment plant;\n(c) Changes to the disinfection process; or\n(d) Any other modification identified by the State.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER D—WATER PROGRAMS","PART 141—NATIONAL PRIMARY DRINKING WATER REGULATIONS","Subpart T—Enhanced Filtration and Disinfection—Systems Serving Fewer Than 10,000 People"],"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":"5142c478c8525a716fe489679c49f4e800889ae2432bdab41756700ad35c1c54","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-141.540","next":"us/40-cfr-141.542"},"notice":"GroundRules: Original legal text. Not legal advice."}