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County file — SD

Underground Storage Tanks in Charles Mix County, SD — 52 facilities, 66 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Charles Mix County, population 9,508.

52UST facilities
48tanks in service
107closed tanks
66leak records
3open cases
61no further action

Charles Mix County has 52 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 48 tanks in service and 107 tanks that have been closed or removed, plus 7 temporarily out of service. Over the life of the program, 66 fuel releases were reported here; 61 (92% of records) were investigated and closed with No Further Action, and 3 of those cleanup cases were still open when the snapshot was compiled.

That works out to 50.5 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.

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Frequently asked questions

How many underground storage tanks are in Charles Mix County, SD?

The EPA UST Finder snapshot lists 52 registered UST facilities in Charles Mix County with 48 tanks currently in service, 107 closed or removed tanks, and 7 temporarily out of service.

How many fuel leaks have been reported in Charles Mix County?

66 releases from underground storage tanks are on record for Charles Mix County. 61 (92%) reached No Further Action status, while 3 cleanup cases remained open in the snapshot.

How do I check a specific address in Charles Mix County?

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

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