42 U.S.C. § 300g

Coverage

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.

( July 1, 1944, ch. 373 , title XIV, § 1411, as added Pub. L. 93–523, § 2(a) , Dec. 16, 1974 , 88 Stat. 1662 .)