Underground Injection Control (UIC)

Underground Injection Well Inventory

Each year, the UIC program collects inventory information on injection wells nationwide. The UIC program uses the inventory numbers in combination with other funding criteria to establish annual funding levels for programs with primary enforcement authority.   

The most recent injection well inventory information is provided in the links below.

You will need Adobe Reader to view some of the files on this page. See EPA’s About PDF page to learn more.