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County file — WI

Underground Storage Tanks in Green Lake County, WI — 258 facilities, 140 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Green Lake County, population 18,876.

258UST facilities
46tanks in service
507closed tanks
140leak records
7open cases
133no further action

Green Lake County has 258 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 46 tanks in service and 507 tanks that have been closed or removed. Over the life of the program, 140 fuel releases were reported here; 133 (95% 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 24.4 tanks in service per 10,000 residents, 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 Green Lake County, WI?

The EPA UST Finder snapshot lists 258 registered UST facilities in Green Lake County with 46 tanks currently in service, 507 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Green Lake County?

140 releases from underground storage tanks are on record for Green Lake County. 133 (95%) reached No Further Action status, while 7 cleanup cases remained open in the snapshot.

How do I check a specific address in Green Lake County?

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