UST Map

Illinois UST Directory

28,233 facilities · 24,836 LUST releases

Illinois faces significant environmental challenges related to underground storage tanks (USTs). The state has 28,233 registered UST facilities, encompassing 17,906 active tanks and 66,415 closed tanks. A substantial concern arises from the 25,336 documented leaking underground storage tank (LUST) release sites, with 5,925 currently classified as "Open" and still requiring cleanup. This data is sourced from the EPA UST Finder program.

The widespread presence of USTs underscores the critical importance of continuous monitoring, thorough environmental due diligence, and robust groundwater protection efforts. Cities such as Chicago, with 2902 facilities and 4057 releases, Rockford (647 facilities, 386 releases), Springfield (394 facilities, 367 releases), Peoria (365 facilities, 221 releases), and Decatur (278 facilities, 241 releases) demonstrate the localized impact of these facilities and associated releases. Proactive management and diligent oversight are essential to mitigate the risks of environmental contamination from UST leaks across Illinois.

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Frequently Asked Questions

How many underground storage tank (UST) facilities are currently operating in Illinois?

Illinois has 28,233 UST facilities. These facilities store petroleum or hazardous substances underground, and their management is regulated to prevent environmental contamination.

What is the extent of leaking underground storage tank (LUST) sites in Illinois, and how many require ongoing cleanup?

Illinois has identified 25,336 LUST release sites. Of these, 5,925 currently have open releases requiring active cleanup efforts to address contamination and protect the environment.

Which Illinois cities have the highest number of underground storage tank facilities and associated releases?

Chicago leads with 2902 facilities and 4057 releases. Other cities with significant numbers include Rockford (647 facilities, 386 releases), Springfield (394 facilities, 367 releases), and Peoria (365 facilities, 221 releases).