{"data":{"id":"us/40-cfr-141.540","jurisdiction":"us","citation":"40 CFR 141.540","heading":"Who has to develop a disinfection benchmark?","body":"If you are a subpart H system required to develop a disinfection profile under §§ 141.530 through 141.536, your system must develop a Disinfection Benchmark if you decide to make a significant change to your disinfection practice. Your system must consult with the State for approval before you can implement a significant disinfection practice change.","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":"a77b2900df59a8340e50a3fc9d7186d6fe5a1a68d9a38dcb23b3027fd2ac1b6f","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-141.536","next":"us/40-cfr-141.541"},"notice":"GroundRules: Original legal text. Not legal advice."}