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County file — OK

Underground Storage Tanks in McClain County, OK — 131 facilities, 41 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for McClain County, population 39,921.

131UST facilities
93tanks in service
251closed tanks
41leak records
3open cases
38no further action

McClain County has 131 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 93 tanks in service and 251 tanks that have been closed or removed, plus 24 temporarily out of service. Over the life of the program, 41 fuel releases were reported here; 38 (93% 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 23.3 tanks in service per 10,000 residents, above 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.

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Frequently asked questions

How many underground storage tanks are in McClain County, OK?

The EPA UST Finder snapshot lists 131 registered UST facilities in McClain County with 93 tanks currently in service, 251 closed or removed tanks, and 24 temporarily out of service.

How many fuel leaks have been reported in McClain County?

41 releases from underground storage tanks are on record for McClain County. 38 (93%) reached No Further Action status, while 3 cleanup cases remained open in the snapshot.

How do I check a specific address in McClain County?

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

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