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County file — OH

Underground Storage Tanks in Seneca County, OH — 152 facilities, 198 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Seneca County, population 56,072.

152UST facilities
128tanks in service
282closed tanks
198leak records
22open cases
176no further action

Seneca County has 152 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 128 tanks in service and 282 tanks that have been closed or removed, plus 1 temporarily out of service. Over the life of the program, 198 fuel releases were reported here; 176 (89% of records) were investigated and closed with No Further Action, and 22 of those cleanup cases were still open when the snapshot was compiled.

That works out to 22.8 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 Seneca County, OH?

The EPA UST Finder snapshot lists 152 registered UST facilities in Seneca County with 128 tanks currently in service, 282 closed or removed tanks, and 1 temporarily out of service.

How many fuel leaks have been reported in Seneca County?

198 releases from underground storage tanks are on record for Seneca County. 176 (89%) reached No Further Action status, while 22 cleanup cases remained open in the snapshot.

How do I check a specific address in Seneca County?

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