Title 42, The Public Health and WelfareRelease 119-102
§300g Coverage
Title 42 › CHAPTER 6A — PUBLIC HEALTH SERVICE › SUBCHAPTER XII — SAFETY OF PUBLIC WATER SYSTEMS › Part B — Public Water Systems › § 300g
Summary
Under sections 300g–4 and 300g–5, national primary drinking water rules must apply to public water systems, except distribution/storage-only systems; systems entirely supplied by another system but not owned or run by it; systems that sell no water; and non‑interstate carriers.
Full Legal Text
Title 42, §300g
The Public Health and Welfare, Source: USLM XML via OLRC
Subject to section 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.
Reference
Citations & Metadata
Citation
42 U.S.C. § 300g
Title 42, The Public Health and Welfare
Last Updated
Aug 21, 2026
Release point: 119-102