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County file — WI

Underground Storage Tanks in Polk County, WI — 280 facilities, 156 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Polk County, population 43,983.

280UST facilities
133tanks in service
594closed tanks
156leak records
14open cases
142no further action

Polk County has 280 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 133 tanks in service and 594 tanks that have been closed or removed. Over the life of the program, 156 fuel releases were reported here; 142 (91% of records) were investigated and closed with No Further Action, and 14 of those cleanup cases were still open when the snapshot was compiled.

That works out to 30.2 tanks in service per 10,000 residents, well above the Wisconsin average of 20.7 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 Polk County, WI?

The EPA UST Finder snapshot lists 280 registered UST facilities in Polk County with 133 tanks currently in service, 594 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Polk County?

156 releases from underground storage tanks are on record for Polk County. 142 (91%) reached No Further Action status, while 14 cleanup cases remained open in the snapshot.

How do I check a specific address in Polk County?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Polk 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 Wisconsin DATCP Storage Tanks.

Verify with the state

The live regulatory record for any Polk County facility or leak case is held by the Wisconsin DATCP Storage Tanks. Newer records than this 2018–2021 snapshot may exist.

Nearby countys in Wisconsin

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