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EPA's Region 6 Office

Serving: Arkansas, Louisiana, New Mexico, Oklahoma, Texas, and 66 Tribal Nations

What does "UIC" mean and what's the purpose of the UIC program?

"UIC" stands for "Underground Injection Control." This is a program authorized by the Safe Drinking Water Act to protect ground water, a.k.a. underground sources of drinking water (USDWs), by regulating the disposal of waste fluids through underground injection wells.

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Where does the UIC program get its authority?

The UIC program is authorized by the Part C of the Safe Drinking Water Act (SDWA), PL 93-523 and Amendments. The UIC program also draws authority from the Resource Conservation and Recovery Act (RCRA), PL 94-580 and Amendments, with respect to the underground disposal of hazardous wastes. Regulations are published in Title 40 of the Code of Federal Regulations, primarily in Parts 124 and 144-146.

          Part 124

          Part 144

          Park 145

          Part 146

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Drinking Water    Ground Water    Underground Injection Control

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