---
kind: "unit"
title: "42"
title_heading: "The Public Health and Welfare"
key: "ch6A/schXII/ptC"
level: "part"
label: "Part C"
heading: "Protection of Underground Sources of Drinking Water"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/42/ch6A-schXII-ptC"
sections_count: 10
---

# Part C — Protection of Underground Sources of Drinking Water

Title 42 — The Public Health and Welfare › Chapter 6A — Public Health Service › Subchapter XII — Safety of Public Water Systems

## Sections

- [§300h. Regulations for State programs](/usc/42/300h.md)
- [§300h–1. State primary enforcement responsibility](/usc/42/300h-1.md)
- [§300h–2. Enforcement of program](/usc/42/300h-2.md)
- [§300h–3. Interim regulation of underground injections](/usc/42/300h-3.md)
- [§300h–4. Optional demonstration by States relating to oil or natural gas](/usc/42/300h-4.md)
- [§300h–5. Regulation of State programs](/usc/42/300h-5.md)
- [§300h–6. Sole source aquifer demonstration program](/usc/42/300h-6.md)
- [§300h–7. State programs to establish wellhead protection areas](/usc/42/300h-7.md)
- [§300h–8. State ground water protection grants](/usc/42/300h-8.md)
- [§300h–9. Secure geologic storage permitting](/usc/42/300h-9.md)