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County file — TX

Underground Storage Tanks in Dallas County, TX — 4,629 facilities, 2,854 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Dallas County, population 2,609,461.

4,629UST facilities
3,310tanks in service
10,378closed tanks
2,854leak records
82open cases
2,772no further action

Dallas County has 4,629 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 3,310 tanks in service and 10,378 tanks that have been closed or removed, plus 300 temporarily out of service. Over the life of the program, 2,854 fuel releases were reported here; 2,772 (97% of records) were investigated and closed with No Further Action, and 82 of those cleanup cases were still open when the snapshot was compiled.

That works out to 12.7 tanks in service per 10,000 residents, below the Texas average of 15.2 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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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 Dallas County, TX?

The EPA UST Finder snapshot lists 4,629 registered UST facilities in Dallas County with 3,310 tanks currently in service, 10,378 closed or removed tanks, and 300 temporarily out of service.

How many fuel leaks have been reported in Dallas County?

2,854 releases from underground storage tanks are on record for Dallas County. 2,772 (97%) reached No Further Action status, while 82 cleanup cases remained open in the snapshot.

How do I check a specific address in Dallas County?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Dallas 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 TCEQ Petroleum Storage Tank Program.

Verify with the state

The live regulatory record for any Dallas County facility or leak case is held by the TCEQ Petroleum Storage Tank Program. Newer records than this 2018–2021 snapshot may exist.

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