County file — SC
Underground Storage Tanks in Dorchester County, SC — 261 facilities, 201 leak records
What the EPA UST Finder snapshot (2018–2021 state data) shows for Dorchester County, population 157,283.
Dorchester County has 261 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 189 tanks in service and 537 tanks that have been closed or removed. Over the life of the program, 201 fuel releases were reported here; 163 (81% of records) were investigated and closed with No Further Action, and 38 of those cleanup cases were still open when the snapshot was compiled.
That works out to 12.0 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 Dorchester 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.
Screen an addressFrequently asked questions
How many underground storage tanks are in Dorchester County, SC?
The EPA UST Finder snapshot lists 261 registered UST facilities in Dorchester County with 189 tanks currently in service, 537 closed or removed tanks, and 0 temporarily out of service.
How many fuel leaks have been reported in Dorchester County?
201 releases from underground storage tanks are on record for Dorchester County. 163 (81%) reached No Further Action status, while 38 cleanup cases remained open in the snapshot.
How do I check a specific address in Dorchester County?
Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Dorchester 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 Dorchester 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
- Chesterfield County 234 fac · 104 leaks
- Clarendon County 196 fac · 140 leaks
- Colleton County 218 fac · 151 leaks
- Darlington County 299 fac · 177 leaks
- Dillon County 166 fac · 116 leaks
- Edgefield County 108 fac · 62 leaks
- Fairfield County 113 fac · 77 leaks
- Florence County 601 fac · 421 leaks
- Georgetown County 239 fac · 176 leaks
- Greenville County 1,278 fac · 891 leaks