---
kind: "unit"
title: "33"
title_heading: "Navigation and Navigable Waters"
key: "chII/part328"
level: "part"
label: "Part 328"
heading: "Definition of Waters of the United States"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/33/chII-part328"
sections_count: 5
---

# Part 328 — Definition of Waters of the United States

Title 33 C.F.R. — Navigation and Navigable Waters › Chapter II — Corps of Engineers, Department of the Army, Department of Defense

## Sections

- [§328.1. Purpose.](/cfr/33/328.1.md)
- [§328.2. General scope.](/cfr/33/328.2.md)
- [§328.3. Definitions.](/cfr/33/328.3.md)
- [§328.4. Limits of jurisdiction.](/cfr/33/328.4.md)
- [§328.5. Changes in limits of waters of the United States.](/cfr/33/328.5.md)