---
kind: "unit"
title: "40"
title_heading: "Protection of Environment"
key: "chI/subchD/part144"
level: "part"
label: "Part 144"
heading: "Underground Injection Control Program"
release: "ecfr-current"
date: "2026-08-27"
url: "https://uscodex.org/cfr/40/chI-subchD-part144"
sections_count: 60
---

# Part 144 — Underground Injection Control Program

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

## Contents

- [Subpart A — General Provisions](/cfr/40/chI-subchD-part144-subpartA.md)
- [Subpart B — General Program Requirements](/cfr/40/chI-subchD-part144-subpartB.md)
- [Subpart C — Authorization of Underground Injection by Rule](/cfr/40/chI-subchD-part144-subpartC.md)
- [Subpart D — Authorization by Permit](/cfr/40/chI-subchD-part144-subpartD.md)
- [Subpart E — Permit Conditions](/cfr/40/chI-subchD-part144-subpartE.md)
- [Subpart F — Financial Responsibility: Class I Hazardous Waste Injection Wells](/cfr/40/chI-subchD-part144-subpartF.md)
- [Subpart G — Requirements for Owners and Operators of Class V Injection Wells](/cfr/40/chI-subchD-part144-subpartG.md)