Iowa UST Directory

Iowa has 13,223 registered underground storage tank (UST) facilities, comprising 7,112 active tanks and 30,056 closed tanks. The state has documented 6,334 leaking underground storage tank (LUST) release sites, with 555 releases currently classified as "Open" and still requiring cleanup. This data, which highlights the scale of UST operations and associated environmental challenges in Iowa, is sourced from the EPA UST Finder program.

The substantial number of USTs across Iowa underscores the critical importance of robust monitoring and environmental due diligence to prevent contamination. Leaks from USTs pose a significant threat to soil and groundwater resources, necessitating diligent oversight for groundwater protection. Cities such as Des Moines (712 facilities, 489 releases), Cedar Rapids (401 facilities, 225 releases), Davenport (297 facilities, 181 releases), Waterloo (291 facilities, 115 releases), and Sioux City (287 facilities, 184 releases) exemplify the widespread distribution of these facilities and the associated environmental releases throughout the state.