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County file — OH

Underground Storage Tanks in Mercer County, OH — 96 facilities, 104 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Mercer County, population 41,581.

96UST facilities
94tanks in service
164closed tanks
104leak records
2open cases
102no further action

Mercer County has 96 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 94 tanks in service and 164 tanks that have been closed or removed. Over the life of the program, 104 fuel releases were reported here; 102 (98% of records) were investigated and closed with No Further Action, and 2 of those cleanup cases were still open when the snapshot was compiled.

That works out to 22.6 tanks in service per 10,000 residents, well 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 Mercer County, OH?

The EPA UST Finder snapshot lists 96 registered UST facilities in Mercer County with 94 tanks currently in service, 164 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Mercer County?

104 releases from underground storage tanks are on record for Mercer County. 102 (98%) reached No Further Action status, while 2 cleanup cases remained open in the snapshot.

How do I check a specific address in Mercer County?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Mercer 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 Mercer 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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