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County file — OH

Underground Storage Tanks in Delaware County, OH — 188 facilities, 249 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Delaware County, population 200,271.

188UST facilities
208tanks in service
352closed tanks
249leak records
23open cases
226no further action

Delaware County has 188 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 208 tanks in service and 352 tanks that have been closed or removed. Over the life of the program, 249 fuel releases were reported here; 226 (91% of records) were investigated and closed with No Further Action, and 23 of those cleanup cases were still open when the snapshot was compiled.

That works out to 10.4 tanks in service per 10,000 residents, well below 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.

Check any address in Delaware County

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, OH?

The EPA UST Finder snapshot lists 188 registered UST facilities in Delaware County with 208 tanks currently in service, 352 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Delaware County?

249 releases from underground storage tanks are on record for Delaware County. 226 (91%) reached No Further Action status, while 23 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 Ohio BUSTR (State Fire Marshal).

Verify with the state

The live regulatory record for any Delaware 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

← All Ohio counts