County file — WV

Underground Storage Tanks in Mason County, WV — 109 facilities, 31 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Mason County, population 27,250.

109UST facilities
62tanks in service
270closed tanks
31leak records
2open cases
29no further action

Mason County has 109 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 62 tanks in service and 270 tanks that have been closed or removed, plus 5 temporarily out of service. Over the life of the program, 31 fuel releases were reported here; 29 (94% of records) were investigated and closed with No Further Action, and 2 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, above the West Virginia average of 19.9 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 Mason 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 Mason County, WV?

The EPA UST Finder snapshot lists 109 registered UST facilities in Mason County with 62 tanks currently in service, 270 closed or removed tanks, and 5 temporarily out of service.

How many fuel leaks have been reported in Mason County?

31 releases from underground storage tanks are on record for Mason County. 29 (94%) reached No Further Action status, while 2 cleanup cases remained open in the snapshot.

How do I check a specific address in Mason County?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Mason 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 WV DEP UST Section.

Verify with the state

The live regulatory record for any Mason County facility or leak case is held by the WV DEP UST Section. Newer records than this 2018–2021 snapshot may exist.

Nearby countys in West Virginia

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