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County file — WI

Underground Storage Tanks in Eau Claire County, WI — 461 facilities, 271 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Eau Claire County, population 103,749.

461UST facilities
215tanks in service
1,012closed tanks
271leak records
9open cases
262no further action

Eau Claire County has 461 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 215 tanks in service and 1,012 tanks that have been closed or removed, plus 1 temporarily out of service. Over the life of the program, 271 fuel releases were reported here; 262 (97% of records) were investigated and closed with No Further Action, and 9 of those cleanup cases were still open when the snapshot was compiled.

That works out to 20.7 tanks in service per 10,000 residents, about equal to 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 Eau Claire County, WI?

The EPA UST Finder snapshot lists 461 registered UST facilities in Eau Claire County with 215 tanks currently in service, 1,012 closed or removed tanks, and 1 temporarily out of service.

How many fuel leaks have been reported in Eau Claire County?

271 releases from underground storage tanks are on record for Eau Claire County. 262 (97%) reached No Further Action status, while 9 cleanup cases remained open in the snapshot.

How do I check a specific address in Eau Claire County?

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