StacksVerified U.S. regulatory reference

40 CFR §147.251

Verified against eCFR.gov as of June 20, 2026View official text on eCFR.gov ↗
  1. (a)Contents. The UIC program in the State of California for Class I, III, IV and V wells, and for all classes of wells on Indian lands, is administered by EPA. The 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.
  2. (b)Effective dates. The effective date for the UIC program for all lands in California, including Indian lands, is June 25, 1984.