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County file — CT

Underground Storage Tanks in New London County, CT — 825 facilities, 202 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for New London County, population 276,496.

825UST facilities
503tanks in service
2,575closed tanks
202leak records
79open cases
121no further action

New London County has 825 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 503 tanks in service and 2,575 tanks that have been closed or removed, plus 33 temporarily out of service. Over the life of the program, 202 fuel releases were reported here; 121 (60% of records) were investigated and closed with No Further Action, and 79 of those cleanup cases were still open when the snapshot was compiled.

That works out to 18.2 tanks in service per 10,000 residents, well above the Connecticut average of 14.2 per 10,000. Countywide numbers are context, not a verdict on any parcel — tank risk is hyper-local, falling off within a few hundred feet.

Check any address in New London County

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Frequently asked questions

How many underground storage tanks are in New London County, CT?

The EPA UST Finder snapshot lists 825 registered UST facilities in New London County with 503 tanks currently in service, 2,575 closed or removed tanks, and 33 temporarily out of service.

How many fuel leaks have been reported in New London County?

202 releases from underground storage tanks are on record for New London County. 121 (60%) reached No Further Action status, while 79 cleanup cases remained open in the snapshot.

How do I check a specific address in New London County?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any New London County address to map every registered tank and reported leak within a mile, with distances in feet and an A–F screening grade. Verify current records with the CT DEEP UST Program.

Verify with the state

The live regulatory record for any New London County facility or leak case is held by the CT DEEP UST Program. Newer records than this 2018–2021 snapshot may exist.

Nearby countys in Connecticut

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