UST Map

Maryland UST Directory

12,663 facilities · 0 LUST releases

Maryland currently manages 12,663 registered underground storage tank (UST) facilities. The potential for environmental contamination from these systems is significant, as evidenced by 12,341 documented leaking UST (LUST) release sites across the state. Of these, 79 releases are presently classified as "Open," indicating active cleanup and remediation efforts are still required. This underscores the critical importance of continuous UST monitoring to detect and mitigate leaks promptly, thereby protecting public health and the environment.

The state's infrastructure includes 7,218 active USTs and 39,895 closed tanks, highlighting the ongoing need for rigorous environmental due diligence and proactive groundwater protection strategies. Even in areas with a high concentration of facilities, such as Baltimore (2103 facilities), Salisbury (338 facilities), Hagerstown (317 facilities), Rockville (303 facilities), and Frederick (290 facilities), zero releases are documented according to the provided data. This information, sourced from the EPA UST Finder program, emphasizes the persistent vigilance necessary to prevent contamination and preserve Maryland's vital groundwater resources.

Cities

Top Facilities

Recent Releases

Related Guides

View all guides →

Frequently Asked Questions

How many underground storage tanks are in Maryland?

Maryland has 12,663 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 Maryland?

There are 0 documented LUST (Leaking Underground Storage Tank) releases in Maryland. 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 Maryland?

You can search for UST facilities and LUST release sites near any address in Maryland 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.