TankCheck

TankCheck / States / South Dakota

County file — SD

Underground Storage Tanks in Day County, SD — 46 facilities, 69 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Day County, population 5,618.

46UST facilities
20tanks in service
123closed tanks
69leak records
11open cases
58no further action

Day County has 46 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 20 tanks in service and 123 tanks that have been closed or removed, plus 1 temporarily out of service. Over the life of the program, 69 fuel releases were reported here; 58 (84% of records) were investigated and closed with No Further Action, and 11 of those cleanup cases were still open when the snapshot was compiled.

That works out to 35.6 tanks in service per 10,000 residents, 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 Day 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 Day County, SD?

The EPA UST Finder snapshot lists 46 registered UST facilities in Day County with 20 tanks currently in service, 123 closed or removed tanks, and 1 temporarily out of service.

How many fuel leaks have been reported in Day County?

69 releases from underground storage tanks are on record for Day County. 58 (84%) reached No Further Action status, while 11 cleanup cases remained open in the snapshot.

How do I check a specific address in Day County?

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