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  2. Underground Injection Control (UIC)

The Energy Policy Act of 2005:Increased Inspection Frequency and Compliance at Underground Storage Tank Facilities

This Office of Communications, Partnerships and Analysis (OCPA) working paper examined the effect of increased inspection frequency occurring under the Energy Policy Act of 2005 on compliance with release detection and prevention requirements at underground storage tank (UST) facilities in Louisiana and Arkansas. The study found that increased inspection frequency improved compliance with UST requirements in both states.

  • The Energy Policy Act of 2005: Increased Inspection Frequency and Compliance at Underground Storage Tank Facilities (pdf) (350.1 KB)

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 About Underground Injection Control to ask a question, provide feedback, or report a problem.
Last updated on October 31, 2025
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