Wisconsin Underground Injection Wells: What you need to know

Governing Law and Regulations

Underground injection control (UIC) program: Wisconsin Administrative Code, Department of Natural Resources (NR) 815.01 to 815.14

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Approval of injection wells: NR 815.07

Injection well reporting: NR 815.08(1)

Reporting exemptions: NR 815.08(2)

Additional information: NR 815.08(4)

Regulatory Agencies

Wisconsin Department of Natural Resources (DNR) Division of Water Bureau of Drinking Water and Groundwater

U.S. Environmental Protection Agency (EPA) Region 5

See ADDRESSES & CONTACTS or addresses and telephone numbers.

See national section for basic information and federal regulations.

Comparison: State vs. Federal

Rules. Wisconsin has been granted primacy from the U.S. Environmental Protection Agency (EPA) to administer the underground injection control (UIC) program in Wisconsin for all wells except for Class VI wells. Wisconsin prohibits the disposal of hazardous waste in underground injection wells. The state's rules are similar to the federal rules, with additional requirements for inventory reporting. In addition, a state registration form is required. See the national section UNDERGROUND INJECTION WELLS for more information on the permitting of Class VI wells and the federal UIC program.

Administration and enforcement. DNR's Bureau of Drinking Water and Groundwater coordinates UIC-related regulatory activities in Wisconsin. EPA enforces the Class VI well regulations in the state.

State Requirements


NR 815.07

DNR does not approve the construction or use of Class I, II, or III injection wells. Approvals can be obtained for the construction or use of a Class IV injection well if the well is to be used to reinject treated contaminated groundwater back ...

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State Requirements

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Wisconsin Underground Injection Wells Resources

Underground Injection Wells Products

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