---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchD/part110"
level: "part"
label: "Part 110"
heading: "Discharge of Oil"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchD-part110"
sections_count: 6
---

# Part 110 — Discharge of Oil

Title 40 C.F.R. — Protection of Environment › Chapter I — Environmental Protection Agency › Subchapter D — Water Programs

## Sections

- [§110.1. Definitions.](/cfr/40/110.1.md)
- [§110.2. Applicability.](/cfr/40/110.2.md)
- [§110.3. Discharge of oil in such quantities as “may be harmful” pursuant to section 311(b)(4) of the Act.](/cfr/40/110.3.md)
- [§110.4. Chemical or biological agents.](/cfr/40/110.4.md)
- [§110.5. Discharges of oil not determined “as may be harmful” pursuant to Section 311(b)(3) of the Act.](/cfr/40/110.5.md)
- [§110.6. Notice.](/cfr/40/110.6.md)