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County file — MA

Underground Storage Tanks in Hampden County, MA — 1,048 facilities, 407 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Hampden County, population 476,058.

1,048UST facilities
642tanks in service
2,750closed tanks
407leak records
18open cases
389no further action

Hampden County has 1,048 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 642 tanks in service and 2,750 tanks that have been closed or removed, plus 25 temporarily out of service. Over the life of the program, 407 fuel releases were reported here; 389 (96% of records) were investigated and closed with No Further Action, and 18 of those cleanup cases were still open when the snapshot was compiled.

That works out to 13.5 tanks in service per 10,000 residents, above the Massachusetts average of 12.1 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.

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Frequently asked questions

How many underground storage tanks are in Hampden County, MA?

The EPA UST Finder snapshot lists 1,048 registered UST facilities in Hampden County with 642 tanks currently in service, 2,750 closed or removed tanks, and 25 temporarily out of service.

How many fuel leaks have been reported in Hampden County?

407 releases from underground storage tanks are on record for Hampden County. 389 (96%) reached No Further Action status, while 18 cleanup cases remained open in the snapshot.

How do I check a specific address in Hampden County?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Hampden 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 MassDEP UST Program.

Verify with the state

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

Nearby countys in Massachusetts

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