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  2. Underground Injection Control (UIC)

EPA Region 5 Guidance for Deep Injection Wells

The EPA Region 5 UIC Branch has prepared guidance documents to help injection well owners and operators comply with the UIC regulations and conditions of their permits. EPA headquarters UIC program has also made information useful to operators available.  See National UIC Documents below.

See also UIC in EPA Region 5 (IL, IN, MI, MN, OH, and WI)

National UIC Documents

  • UIC  Reporting Forms for Owners or Operators (7520 reporting forms)
  • Financial Responsibilities for UIC Well Owners or Operators
  • UIC Regulations and Safe Drinking Water Act Provisions
  • Region 5 Guidance 1: Casing and Cementing Policy for Substandard Class II Injection Wells: (pdf) (133.13 KB, June 20, 1986)
  • Region 5 Guidance 3: Determination of Underground Sources of Drinking Water (pdf) (16.61 KB, Feb. 5, 1987)
  • Region 5 Guidance 4: Plugging and Abandoning Injection Wells Class I-V (pdf) (118.22 KB, Dec. 22, 1994)
  • Region 5 Guidance 5: Determination of the Mechanical Integrity of Injection Wells (pdf) (225.65 KB, February 2008)
  • Region 5 Draft Guidance 6: Planning, Executing, and Reporting Pressure Transient Tests (pdf) (209.69 KB, June 3, 1998)
  • Region 5 Guidance 6: Planning, Executing, and Reporting Pressure Transient Tests (pdf) (133.24 KB, November 20, 1990)
  • Region 5 Guidance 7: Determination of Maximum Injection Pressure for Class I Wells (pdf) (109.85 KB, January 1994)
  • Region 5 Guidance 8: Preparing a Waste Analysis Plan at Class I Injection Well Facilities (pdf) (43.95 KB, Jan. 21, 1994)
  • Region 5 Guidelines for Class I Well Monitoring Plans (pdf) (86.59 KB, October 1989)
  • Region 5 Guidance: Supplemental Guidelines for Plans and Operations of Monitoring Wells at Class I Injection Facilities (pdf) (181.17 KB, Feb. 28, 1991)
  • Region 5 Guidance: Final Fracture Pressure Gradient Values for Certain Oil Fields in Michigan (pdf) (175.01 KB, 1993)
  • Region 5 Guidance: Land Ban Information Sheet (pdf) (269.35 KB, July 20, 2006)
    Information sheet for owner/operators of class 1HQ injection wells who are submitting simultaneous applications for permits and petitions for exemptions from the RCRA land ban or new demonstrations for existing exemptions

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 April 10, 2025
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