42 U.S.C. § 300g
Verified against govinfo.gov as of June 20, 2026View official text on govinfo.gov ↗
Subject to sections 300g–4 and 300g–5 of this title, national primary drinking water regulations under this part shall apply to each public water system in each State; except that such regulations shall not apply to a public water system—
- (1)which consists only of distribution and storage facilities (and does not have any collection and treatment facilities);
- (2)which obtains all of its water from, but is not owned or operated by, a public water system to which such regulations apply;
- (3)which does not sell water to any person; and
- (4)which is not a carrier which conveys passengers in interstate commerce.