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County file — SD

Underground Storage Tanks in Oglala Lakota County, SD — 79 facilities, 60 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Oglala Lakota County, population 14,128.

79UST facilities
36tanks in service
165closed tanks
60leak records
7open cases
31no further action

Oglala Lakota County has 79 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 36 tanks in service and 165 tanks that have been closed or removed, plus 3 temporarily out of service. Over the life of the program, 60 fuel releases were reported here; 31 (52% of records) were investigated and closed with No Further Action, and 7 of those cleanup cases were still open when the snapshot was compiled.

That works out to 25.5 tanks in service per 10,000 residents, below 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 Oglala Lakota County, SD?

The EPA UST Finder snapshot lists 79 registered UST facilities in Oglala Lakota County with 36 tanks currently in service, 165 closed or removed tanks, and 3 temporarily out of service.

How many fuel leaks have been reported in Oglala Lakota County?

60 releases from underground storage tanks are on record for Oglala Lakota County. 31 (52%) reached No Further Action status, while 7 cleanup cases remained open in the snapshot.

How do I check a specific address in Oglala Lakota County?

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