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County file — WI

Underground Storage Tanks in Dane County, WI — 1,833 facilities, 1,330 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Dane County, population 530,055.

1,833UST facilities
762tanks in service
4,096closed tanks
1,330leak records
63open cases
1,267no further action

Dane County has 1,833 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 762 tanks in service and 4,096 tanks that have been closed or removed, plus 2 temporarily out of service. Over the life of the program, 1,330 fuel releases were reported here; 1,267 (95% of records) were investigated and closed with No Further Action, and 63 of those cleanup cases were still open when the snapshot was compiled.

That works out to 14.4 tanks in service per 10,000 residents, well below 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 Dane County, WI?

The EPA UST Finder snapshot lists 1,833 registered UST facilities in Dane County with 762 tanks currently in service, 4,096 closed or removed tanks, and 2 temporarily out of service.

How many fuel leaks have been reported in Dane County?

1,330 releases from underground storage tanks are on record for Dane County. 1,267 (95%) reached No Further Action status, while 63 cleanup cases remained open in the snapshot.

How do I check a specific address in Dane County?

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