40 CFR § 147.2553
EPA-administered program—Indian lands
June 9, 2020
(a) Contents. The UIC program for all classes of wells on Indian lands in the State of Wyoming is administered by EPA. This program consists of the UIC program requirements of 40 CFR parts 124, 144, 146, 148, and any additional requirements set forth in the remainder of this subpart. Injection well owners and operators, and EPA shall comply with these requirements.
(b) Effective date. The effective date for the UIC program on Indian lands in Wyoming is November 25, 1988.
[53 FR 43092, Oct. 25, 1988, as amended at 56 FR 9422, Mar. 6, 1991]