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  2. Underground Injection Control (UIC)

Contact Us About Underground Injection Control

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Mailing Address:
U.S. Environmental Protection Agency
Underground Injection Control Program
Office of Water, Office of Ground Water and Drinking Water 

1200 Pennsylvania Avenue, NW (Mailcode 4606M)
Washington, DC 20460

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 to ask a question, provide feedback, or report a problem.
Last updated on November 22, 2024
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