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  2. Underground Injection Control (UIC)

UIC Permit for Nikaitchuq Unit, North Slope, Alaska

Below is EPA's underground injection control (UIC) permit for the Nikaitchuq Unit, North Slope, Alaska. The permit authorizes injection of non-hazardous industrial waste using up to four Class I injection wells at the Oliktok Production Pad (OPP) and Spy Island Drillsite (SID).

Permit number: AK1I011-C
Effective dates: September 16, 2018 to September 16, 2028
Modified: November 26, 2019
Current operator: Eni U.S. Operating Company, Inc.


  • UIC Class I Permit, Nikaitchuq Unit, North Slope, Alaska, #AK1I011-C (pdf) (716.08 KB, Modified November 26, 2019)

Underground Injection Control (UIC)

  • Class I Industrial and Municipal Waste Disposal Wells
  • Class II Oil and Gas Related Injection Wells
  • Class III Injection Wells for Solution Mining
  • Class IV Shallow Hazardous and Radioactive Injection Wells
  • Class V Wells for Injection of Non-Hazardous Fluids into or Above Underground Sources of Drinking Water
  • Class VI Wells Used for Geologic Sequestration of CO2
Contact Us About Underground Injection Control
Contact Us to ask a question, provide feedback, or report a problem.
Last updated on January 13, 2025
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