{"data":{"id":"us/40-cfr-141.561","jurisdiction":"us","citation":"40 CFR 141.561","heading":"What happens if my system's turbidity monitoring equipment fails?","body":"If there is a failure in the continuous turbidity monitoring equipment, your system must conduct grab sampling every four hours in lieu of continuous monitoring until the turbidimeter is back on-line. Your system has 14 days to resume continuous monitoring before a violation is incurred.","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":"2c7644ba1952694b0966280f99c8145a5c6e11c95063c512ad3d14d66de5685c","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-141.560","next":"us/40-cfr-141.562"},"notice":"GroundRules: Original legal text. Not legal advice."}