Maine UST Directory
0 facilities · 0 LUST releases
Maine faces ongoing environmental considerations related to underground storage tanks (USTs). The state has 6,041 registered UST facilities, and a significant 3,107 documented LUST (leaking underground storage tank) release sites highlight a history of contamination incidents. Currently, 8 of these releases are classified as "Open," indicating active cleanup requirements. With 2,173 active USTs and 14,072 closed tanks, continuous UST monitoring and diligent environmental due diligence are essential to mitigate risks and prevent future contamination.
The potential for soil and groundwater contamination from USTs underscores the importance of robust protection measures. Cities with high concentrations of UST facilities and associated releases include Portland (221 facilities, 183 releases), Bangor (177 facilities, 94 releases), Augusta (148 facilities, 63 releases), Auburn (119 facilities, 77 releases), and Lewiston (118 facilities, 81 releases). Protecting vital groundwater resources is paramount, and comprehensive UST data, such as that sourced from the EPA UST Finder program, is crucial for effective environmental management and public health.
Cities
Related Guides
Maine UST Regulations 2026
State-specific compliance guide for Maine underground storage tank regulations
Maine SpecificProperty Due Diligence
How to check for underground storage tanks before buying property
Leaking Tank Risks
Health and environmental impacts of LUST releases
Cleanup Costs
What to expect for UST remediation costs
Phase I ESA Guide
Environmental site assessments for properties with USTs
Frequently Asked Questions
How many underground storage tank (UST) facilities are there in Maine, and how many have experienced releases?
Maine has 6,041 UST facilities. Historically, there have been 3,107 LUST (Leaking Underground Storage Tank) release sites identified across the state. Currently, 8 of these releases are open and require ongoing cleanup efforts.
Which cities in Maine have the highest number of UST facilities and reported releases?
Portland leads with 221 facilities and 183 releases. Other cities with significant numbers include Bangor (177 facilities, 94 releases), Augusta (148 facilities, 63 releases), Auburn (119 facilities, 77 releases), and Lewiston (118 facilities, 81 releases).
What is the current status of active LUST (Leaking Underground Storage Tank) cleanups in Maine?
Out of the 3,107 LUST release sites identified in Maine, there are currently 8 open releases that are actively requiring cleanup. These sites represent ongoing efforts to address contamination from underground storage tanks.