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County file — TN

Underground Storage Tanks in Williamson County, TN — 250 facilities, 219 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Williamson County, population 223,302.

250UST facilities
224tanks in service
556closed tanks
219leak records
4open cases
215no further action

Williamson County has 250 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 224 tanks in service and 556 tanks that have been closed or removed, plus 17 temporarily out of service. Over the life of the program, 219 fuel releases were reported here; 215 (98% of records) were investigated and closed with No Further Action, and 4 of those cleanup cases were still open when the snapshot was compiled.

That works out to 10.0 tanks in service per 10,000 residents, well below the Tennessee average of 18.5 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 Williamson County, TN?

The EPA UST Finder snapshot lists 250 registered UST facilities in Williamson County with 224 tanks currently in service, 556 closed or removed tanks, and 17 temporarily out of service.

How many fuel leaks have been reported in Williamson County?

219 releases from underground storage tanks are on record for Williamson County. 215 (98%) reached No Further Action status, while 4 cleanup cases remained open in the snapshot.

How do I check a specific address in Williamson County?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Williamson 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 TDEC UST Division.

Verify with the state

The live regulatory record for any Williamson County facility or leak case is held by the TDEC UST Division. Newer records than this 2018–2021 snapshot may exist.

Nearby countys in Tennessee

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