{"data":{"id":"us/40-cfr-141.510","jurisdiction":"us","citation":"40 CFR 141.510","heading":"Is my system subject to the new finished water reservoir requirements?","body":"All subpart H systems which serve fewer than 10,000 are subject to this requirement.","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":"67baaa779de337de4bd0daefd7e398245aa8cf97f4a60126c846230508db3085","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-141.503","next":"us/40-cfr-141.511"},"notice":"GroundRules: Original legal text. Not legal advice."}