{"data":{"id":"us/40-cfr-141.42","jurisdiction":"us","citation":"40 CFR 141.42","heading":"Special monitoring for corrosivity characteristics.","body":"(a)-(c) [Reserved]\n(d) Community water supply systems shall identify whether the following construction materials are present in their distribution system and report to the State:\nLead from piping, solder, caulking, interior lining of distribution mains, alloys and home plumbing.\nCopper from piping and alloys, service lines, and home plumbing.\nGalvanized piping, service lines, and home plumbing.\nFerrous piping materials such as cast iron and steel.\nAsbestos cement pipe.\nIn addition, States may require identification and reporting of other materials of construction present in distribution systems that may contribute contaminants to the drinking water, such as:\nVinyl lined asbestos cement pipe.\nCoal tar lined pipes and tanks.","path":["Title 40—Protection of Environment","CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY","SUBCHAPTER D—WATER PROGRAMS","PART 141—NATIONAL PRIMARY DRINKING WATER REGULATIONS","Subpart E—Special Regulations, Including Monitoring"],"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":"f35c21dfd05b62ab0b8832871731c50bb5bbdc1221713dbde0ffbd805e13e17f","source_id":"us-cfr","stale":true,"prev":"us/40-cfr-141.41","next":"us/40-cfr-141.50"},"notice":"GroundRules: Original legal text. Not legal advice."}