40 CFR § 144.36 - Duration of permits.

---
identifier: "/us/cfr/t40/s144.36"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 144.36 - Duration of permits."
title_number: 40
title_name: "Protection of Environment"
section_number: "144.36"
section_name: "Duration of permits."
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"
---


# 144.36 Duration of permits.

(a) Permits for Class I and V wells shall be effective for a fixed term not to exceed 10 years. UIC permits for Class II and III wells shall be issued for a period up to the operating life of the facility. UIC permits for Class VI wells shall be issued for the operating life of the facility and the post-injection site care period. The Director shall review each issued Class II, III, and VI well UIC permit at least once every 5 years to determine whether it should be modified, revoked and reissued, terminated or a minor modification made as provided in § 144.39, § 144.40, or § 144.41.

(b) Except as provided in § 144.37, the term of a permit shall not be extended by modification beyond the maximum duration specified in this section.

(c) The Director may issue any permit for a duration that is less than the full allowable term under this section.

[48 FR 14189, Apr. 1, 1983, as amended at 75 FR 77288, Dec. 10, 2010]