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County file — WI

Underground Storage Tanks in Iowa County, WI — 215 facilities, 61 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Iowa County, population 23,985.

215UST facilities
92tanks in service
420closed tanks
61leak records
2open cases
59no further action

Iowa County has 215 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 92 tanks in service and 420 tanks that have been closed or removed. Over the life of the program, 61 fuel releases were reported here; 59 (97% 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 38.4 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 Iowa County, WI?

The EPA UST Finder snapshot lists 215 registered UST facilities in Iowa County with 92 tanks currently in service, 420 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Iowa County?

61 releases from underground storage tanks are on record for Iowa County. 59 (97%) reached No Further Action status, while 2 cleanup cases remained open in the snapshot.

How do I check a specific address in Iowa County?

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