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County file — MD

Underground Storage Tanks in Howard County, MD — 458 facilities, 317 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Howard County, population 322,360.

458UST facilities
285tanks in service
1,315closed tanks
317leak records
3open cases
314no further action

Howard County has 458 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 285 tanks in service and 1,315 tanks that have been closed or removed, plus 4 temporarily out of service. Over the life of the program, 317 fuel releases were reported here; 314 (99% 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 8.8 tanks in service per 10,000 residents, well below 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 Howard County, MD?

The EPA UST Finder snapshot lists 458 registered UST facilities in Howard County with 285 tanks currently in service, 1,315 closed or removed tanks, and 4 temporarily out of service.

How many fuel leaks have been reported in Howard County?

317 releases from underground storage tanks are on record for Howard County. 314 (99%) reached No Further Action status, while 3 cleanup cases remained open in the snapshot.

How do I check a specific address in Howard County?

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

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