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County file — SD

Underground Storage Tanks in Yankton County, SD — 79 facilities, 109 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Yankton County, population 22,681.

79UST facilities
92tanks in service
157closed tanks
109leak records
2open cases
107no further action

Yankton County has 79 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 92 tanks in service and 157 tanks that have been closed or removed, plus 3 temporarily out of service. Over the life of the program, 109 fuel releases were reported here; 107 (98% of records) were investigated and closed with No Further Action, and 2 of those cleanup cases were still open when the snapshot was compiled.

That works out to 40.6 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.

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Frequently asked questions

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

The EPA UST Finder snapshot lists 79 registered UST facilities in Yankton County with 92 tanks currently in service, 157 closed or removed tanks, and 3 temporarily out of service.

How many fuel leaks have been reported in Yankton County?

109 releases from underground storage tanks are on record for Yankton County. 107 (98%) reached No Further Action status, while 2 cleanup cases remained open in the snapshot.

How do I check a specific address in Yankton County?

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