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County file — OH

Underground Storage Tanks in Defiance County, OH — 114 facilities, 149 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Defiance County, population 38,671.

114UST facilities
98tanks in service
207closed tanks
149leak records
3open cases
146no further action

Defiance County has 114 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 98 tanks in service and 207 tanks that have been closed or removed. Over the life of the program, 149 fuel releases were reported here; 146 (98% of records) were investigated and closed with No Further Action, and 3 of those cleanup cases were still open when the snapshot was compiled.

That works out to 25.3 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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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 Defiance County, OH?

The EPA UST Finder snapshot lists 114 registered UST facilities in Defiance County with 98 tanks currently in service, 207 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Defiance County?

149 releases from underground storage tanks are on record for Defiance County. 146 (98%) reached No Further Action status, while 3 cleanup cases remained open in the snapshot.

How do I check a specific address in Defiance County?

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