---
kind: "unit"
title: "33"
title_heading: "Navigation and Navigable Waters"
key: "chI/subchNN"
level: "subchap"
label: "Subchapter NN"
heading: "Deepwater Ports"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/33/chI-subchNN"
sections_count: 310
---

# Subchapter NN — Deepwater Ports

Title 33 C.F.R. — Navigation and Navigable Waters › Chapter I — Coast Guard, Department of Homeland Security

## Contents

- [Part 148 — Deepwater Ports: General](/cfr/33/chI-subchNN-part148.md)
- [Part 149 — Deepwater Ports: Design, Construction, and Equipment](/cfr/33/chI-subchNN-part149.md)
- [Part 150 — Deepwater Ports: Operations](/cfr/33/chI-subchNN-part150.md)