UST Map

Colorado UST Directory

11,294 facilities · 8,460 LUST releases

Colorado manages 11,294 registered underground storage tank (UST) facilities, with 6,962 active USTs and 24,139 closed tanks. The state has documented 8,461 leaking underground storage tank (LUST) release sites, of which 493 are currently classified as "Open" and still require cleanup. This data, sourced from the EPA UST Finder program, underscores the significant historical and ongoing environmental considerations associated with USTs.

The prevalence of USTs highlights the critical importance of robust UST monitoring, environmental due diligence, and groundwater protection. Cities with notable UST facility counts and associated releases include Denver (1882 facilities, 1638 releases), Colorado Springs (931 facilities, 686 releases), Aurora (386 facilities, 399 releases), Pueblo (336 facilities, 259 releases), and Englewood (295 facilities, 219 releases). Continuous oversight is essential to prevent potential environmental contamination and safeguard vital groundwater resources across the state.

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Frequently Asked Questions

How many underground storage tanks are in Colorado?

Colorado has 11,294 registered UST facilities tracked in the EPA database. These facilities contain active and closed underground storage tanks used primarily for petroleum storage.

What are LUST releases in Colorado?

There are 8,460 documented LUST (Leaking Underground Storage Tank) releases in Colorado. These are confirmed or suspected releases of petroleum or hazardous substances from underground storage tank systems that require investigation and cleanup.

How do I check for tank contamination near me in Colorado?

You can search for UST facilities and LUST release sites near any address in Colorado using UST Map's interactive map or by browsing city-level pages. Each facility and release listing includes proximity data such as population within 1,500 feet and nearby private wells.