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TankCheck / States / South Carolina

County file — SC

Underground Storage Tanks in Charleston County, SC — 1,015 facilities, 828 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Charleston County, population 403,176.

1,015UST facilities
602tanks in service
2,572closed tanks
828leak records
77open cases
751no further action

Charleston County has 1,015 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 602 tanks in service and 2,572 tanks that have been closed or removed. Over the life of the program, 828 fuel releases were reported here; 751 (91% of records) were investigated and closed with No Further Action, and 77 of those cleanup cases were still open when the snapshot was compiled.

That works out to 14.9 tanks in service per 10,000 residents, well below the South Carolina average of 20.4 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 Charleston County

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Frequently asked questions

How many underground storage tanks are in Charleston County, SC?

The EPA UST Finder snapshot lists 1,015 registered UST facilities in Charleston County with 602 tanks currently in service, 2,572 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Charleston County?

828 releases from underground storage tanks are on record for Charleston County. 751 (91%) reached No Further Action status, while 77 cleanup cases remained open in the snapshot.

How do I check a specific address in Charleston County?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Charleston 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 SC DES UST Program.

Verify with the state

The live regulatory record for any Charleston County facility or leak case is held by the SC DES UST Program. Newer records than this 2018–2021 snapshot may exist.

Nearby countys in South Carolina

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