TankCheck

TankCheck / States / South Dakota

County file — SD

Underground Storage Tanks in Sully County, SD — 17 facilities, 15 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Sully County, population 1,408.

17UST facilities
8tanks in service
40closed tanks
15leak records
1open cases
14no further action

Sully County has 17 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 8 tanks in service and 40 tanks that have been closed or removed. Over the life of the program, 15 fuel releases were reported here; 14 (93% 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 56.8 tanks in service per 10,000 residents, well above the South Dakota average of 32.8 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 Sully 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 address

Frequently asked questions

How many underground storage tanks are in Sully County, SD?

The EPA UST Finder snapshot lists 17 registered UST facilities in Sully County with 8 tanks currently in service, 40 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Sully County?

15 releases from underground storage tanks are on record for Sully County. 14 (93%) reached No Further Action status, while 1 cleanup cases remained open in the snapshot.

How do I check a specific address in Sully County?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Sully 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 SD DANR Tanks & Spills.

Verify with the state

The live regulatory record for any Sully County facility or leak case is held by the SD DANR Tanks & Spills. Newer records than this 2018–2021 snapshot may exist.

Nearby countys in South Dakota

← All South Dakota counts