State file — SC
Underground storage tanks in South Carolina
15,284 registered facilities · 10,294 tanks in service · 10,125 leak records · 2,270 open cleanup cases (EPA UST Finder snapshot, 2018–2021 state data).
South Carolina runs 20.4 tanks in service per 10,000 residents (population 5,037,131). 7,855 of its 10,125 reported releases have reached No Further Action. The regulator of record is the SC DES UST Program, which holds the live registration and case files.
Check any South Carolina address
Free screening of every registered tank and reported leak within a mile of any address.
Screen an addressBy county
Frequently asked questions
How many underground storage tanks are in South Carolina?
The EPA UST Finder snapshot lists 15,284 registered UST facilities in South Carolina, with 10,294 tanks in service and 35,707 closed or removed tanks across 46 countys.
How many tank leaks have been reported in South Carolina?
10,125 releases are on record statewide. 7,855 (78%) were closed with No Further Action; 2,270 cleanup cases remained open in the snapshot.
Which South Carolina county has the most underground storage tanks?
By facility count: Greenville (1,278), Richland (1,027), Charleston (1,015), Spartanburg (1,004), Horry (785). Use the county pages for tank and leak detail, or screen any specific address free at https://tankcheckusa.site/.