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County file — OH

Underground Storage Tanks in Mahoning County, OH — 530 facilities, 753 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Mahoning County, population 228,561.

530UST facilities
419tanks in service
1,217closed tanks
753leak records
40open cases
713no further action

Mahoning County has 530 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 419 tanks in service and 1,217 tanks that have been closed or removed, plus 5 temporarily out of service. Over the life of the program, 753 fuel releases were reported here; 713 (95% of records) were investigated and closed with No Further Action, and 40 of those cleanup cases were still open when the snapshot was compiled.

That works out to 18.3 tanks in service per 10,000 residents, above the Ohio average of 17.1 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 Mahoning County, OH?

The EPA UST Finder snapshot lists 530 registered UST facilities in Mahoning County with 419 tanks currently in service, 1,217 closed or removed tanks, and 5 temporarily out of service.

How many fuel leaks have been reported in Mahoning County?

753 releases from underground storage tanks are on record for Mahoning County. 713 (95%) reached No Further Action status, while 40 cleanup cases remained open in the snapshot.

How do I check a specific address in Mahoning County?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Mahoning 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 Ohio BUSTR (State Fire Marshal).

Verify with the state

The live regulatory record for any Mahoning County facility or leak case is held by the Ohio BUSTR (State Fire Marshal). Newer records than this 2018–2021 snapshot may exist.

Nearby countys in Ohio

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