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County file — MD

Underground Storage Tanks in Washington County, MD — 498 facilities, 269 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Washington County, population 151,070.

498UST facilities
271tanks in service
1,659closed tanks
269leak records
1open cases
268no further action

Washington County has 498 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 271 tanks in service and 1,659 tanks that have been closed or removed, plus 17 temporarily out of service. Over the life of the program, 269 fuel releases were reported here; 268 (100% 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 17.9 tanks in service per 10,000 residents, well above the Maryland average of 11.8 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 Washington County, MD?

The EPA UST Finder snapshot lists 498 registered UST facilities in Washington County with 271 tanks currently in service, 1,659 closed or removed tanks, and 17 temporarily out of service.

How many fuel leaks have been reported in Washington County?

269 releases from underground storage tanks are on record for Washington County. 268 (100%) reached No Further Action status, while 1 cleanup cases remained open in the snapshot.

How do I check a specific address in Washington County?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Washington 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 MDE Oil Control Program.

Verify with the state

The live regulatory record for any Washington County facility or leak case is held by the MDE Oil Control Program. Newer records than this 2018–2021 snapshot may exist.

Nearby countys in Maryland

← All Maryland counts