---
kind: "unit"
title: "33"
title_heading: "Navigation and Navigable Waters"
key: "chI/subchO"
level: "subchap"
label: "Subchapter O"
heading: "Pollution"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/33/chI-subchO"
sections_count: 570
---

# Subchapter O — Pollution

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

## Contents

- [Part 151 — Vessels Carrying Oil, Noxious Liquid Substances, Garbage, Municipal or Commercial Waste, and Ballast Water](/cfr/33/chI-subchO-part151.md)
- [Part 153 — Control of Pollution by Oil and Hazardous Substances, Discharge Removal](/cfr/33/chI-subchO-part153.md)
- [Part 154 — Facilities Transferring Oil or Hazardous Material in Bulk](/cfr/33/chI-subchO-part154.md)
- [Part 155 — Oil or Hazardous Material Pollution Prevention Regulations for Vessels](/cfr/33/chI-subchO-part155.md)
- [Part 156 — Oil and Hazardous Material Transfer Operations](/cfr/33/chI-subchO-part156.md)
- [Part 157 — Rules for the Protection of the Marine Environment Relating to Tank Vessels Carrying Oil in Bulk](/cfr/33/chI-subchO-part157.md)
- [Part 158 — Reception Facilities for Oil, Noxious Liquid Substances, and Garbage](/cfr/33/chI-subchO-part158.md)
- [Part 159 — Marine Sanitation Devices](/cfr/33/chI-subchO-part159.md)