40 CFR § 144.24 - Class V wells.

---
identifier: "/us/cfr/t40/s144.24"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 144.24 - Class V wells."
title_number: 40
title_name: "Protection of Environment"
section_number: "144.24"
section_name: "Class V wells."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "D"
subchapter_name: "WATER PROGRAMS"
part_number: "144"
part_name: "UNDERGROUND INJECTION CONTROL PROGRAM"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "Safe Drinking Water Act, 42 U.S.C. 300f  Resource Conservation and Recovery Act, 42 U.S.C. 6901"
regulatory_source: "48 FR 14189, Apr. 1, 1983, unless otherwise noted."
cfr_part: "144"
---


# 144.24 Class V wells.

(a) A Class V injection well is authorized by rule, subject to the conditions in § 144.84

(b) *Duration of well authorization by rule.* Well authorization under this section expires upon the effective date of a permit issued pursuant to § 144.25, § 144.31, § 144.33 or § 144.34, or upon proper closure of the well.

(c) *Prohibition of injection.* An owner or operator of a well which is authorized by rule pursuant to this section is prohibited from injecting into the well:

(1) Upon the effective date of an applicable permit denial;

(2) Upon failure to submit a permit application in a timely manner pursuant to § 144.25 or § 144.31;

(3) Upon failure to submit inventory information in a timely manner pursuant to § 144.26; or

(4) Upon failure to comply with a request for information in a timely manner pursuant to § 144.27.

[58 FR 63896, Dec. 3, 1993, as amended at 64 FR 68566, Dec. 7, 1999]