Code of Federal Regulations > Title 40 > Chapter I > Part 143 - PART 143—OTHER SAFE DRINKING WATER ACT REGULATIONS

U.S. Code of Federal Regulations

Regulations most recently checked for updates: Aug 27, 2025

Subpart A [§ 143.1 - § 143.9] - Subpart A—National Secondary Drinking Water Regulations

Subpart B [§ 143.10 - § 143.20] - Subpart B—Use of Lead Free Pipes, Fittings, Fixtures, Solder, and Flux for Drinking Water