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.
2015 Underground Injection Well Inventory - By State (PDF)(2 pp, 407 K,
The document provides the UIC 2015 Injection well inventories for well classes I - VI
2015 Underground Injection Well Inventory - By Tribe (PDF)(5 pp, 297 K,
The document provides the tribal UIC 2015 injection well inventory for well classes I - VI