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County file — MD

Underground Storage Tanks in Charles County, MD — 329 facilities, 509 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Charles County, population 162,252.

329UST facilities
189tanks in service
1,066closed tanks
509leak records
1open cases
508no further action

Charles County has 329 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 189 tanks in service and 1,066 tanks that have been closed or removed. Over the life of the program, 509 fuel releases were reported here; 508 (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 11.6 tanks in service per 10,000 residents, about equal to 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.

Check any address in Charles 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 Charles County, MD?

The EPA UST Finder snapshot lists 329 registered UST facilities in Charles County with 189 tanks currently in service, 1,066 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Charles County?

509 releases from underground storage tanks are on record for Charles County. 508 (100%) reached No Further Action status, while 1 cleanup cases remained open in the snapshot.

How do I check a specific address in Charles County?

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