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County file — PA

Underground Storage Tanks in Delaware County, PA — 873 facilities, 684 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Delaware County, population 568,691.

873UST facilities
613tanks in service
2,182closed tanks
684leak records
113open cases
571no further action

Delaware County has 873 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 613 tanks in service and 2,182 tanks that have been closed or removed, plus 40 temporarily out of service. Over the life of the program, 684 fuel releases were reported here; 571 (83% of records) were investigated and closed with No Further Action, and 113 of those cleanup cases were still open when the snapshot was compiled.

That works out to 10.8 tanks in service per 10,000 residents, well below the Pennsylvania average of 15.8 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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Paste an address to map every registered tank and reported leak within a mile — distances in feet, cleanup statuses, and an A–F screening grade. Free, no login.

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Frequently asked questions

How many underground storage tanks are in Delaware County, PA?

The EPA UST Finder snapshot lists 873 registered UST facilities in Delaware County with 613 tanks currently in service, 2,182 closed or removed tanks, and 40 temporarily out of service.

How many fuel leaks have been reported in Delaware County?

684 releases from underground storage tanks are on record for Delaware County. 571 (83%) reached No Further Action status, while 113 cleanup cases remained open in the snapshot.

How do I check a specific address in Delaware County?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Delaware 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 PA DEP Storage Tank Program.

Verify with the state

The live regulatory record for any Delaware County facility or leak case is held by the PA DEP Storage Tank Program. Newer records than this 2018–2021 snapshot may exist.

Nearby countys in Pennsylvania

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