---
kind: "unit"
title: "42"
title_heading: "The Public Health and Welfare"
key: "ch6A/schXII/ptA"
level: "part"
label: "Part A"
heading: "Definitions"
release: "119-102"
date: "2026-07-12"
url: "https://uscodex.org/usc/42/ch6A-schXII-ptA"
sections_count: 1
---

# Part A — Definitions

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

## Sections

- [§300f. Definitions](/usc/42/300f.md)