{"data":{"id":"us/40-cfr-141.562","jurisdiction":"us","citation":"40 CFR 141.562","heading":"My system only has two or fewer filters—is there any special provision regarding individual filter turbidity monitoring?","body":"Yes, if your system only consists of two or fewer filters, you may conduct continuous monitoring of combined filter effluent turbidity in lieu of individual filter effluent turbidity monitoring. Continuous monitoring must meet the same requirements set forth in § 141.560(a) through (d) and § 141.561.","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":"250f964d1d12817e89663966a86b77612940fcb425638c6f69c558d018316922","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-141.561","next":"us/40-cfr-141.563"},"notice":"GroundRules: Original legal text. Not legal advice."}