County file — OK
Underground Storage Tanks in Delaware County, OK — 108 facilities, 22 leak records
What the EPA UST Finder snapshot (2018–2021 state data) shows for Delaware County, population 42,498.
Delaware County has 108 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 78 tanks in service and 180 tanks that have been closed or removed, plus 7 temporarily out of service. Over the life of the program, 22 fuel releases were reported here; 21 (95% of records) were investigated and closed with No Further Action, and 1 of those cleanup cases were still open when the snapshot was compiled.
That works out to 18.4 tanks in service per 10,000 residents, below the Oklahoma average of 20.2 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.
Screen an addressFrequently asked questions
How many underground storage tanks are in Delaware County, OK?
The EPA UST Finder snapshot lists 108 registered UST facilities in Delaware County with 78 tanks currently in service, 180 closed or removed tanks, and 7 temporarily out of service.
How many fuel leaks have been reported in Delaware County?
22 releases from underground storage tanks are on record for Delaware County. 21 (95%) reached No Further Action status, while 1 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 Oklahoma Corporation Commission PST Division.
Verify with the state
The live regulatory record for any Delaware County facility or leak case is held by the Oklahoma Corporation Commission PST Division. Newer records than this 2018–2021 snapshot may exist.
Nearby countys in Oklahoma
- Comanche County 328 fac · 115 leaks
- Cotton County 34 fac · 11 leaks
- Craig County 82 fac · 21 leaks
- Creek County 224 fac · 75 leaks
- Custer County 251 fac · 52 leaks
- Dewey County 66 fac · 12 leaks
- Ellis County 47 fac · 7 leaks
- Garfield County 261 fac · 91 leaks
- Garvin County 168 fac · 53 leaks
- Grady County 214 fac · 65 leaks