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County file — IA

Underground Storage Tanks in Carroll County, IA — 118 facilities, 61 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Carroll County, population 20,733.

118UST facilities
86tanks in service
250closed tanks
61leak records
7open cases
54no further action

Carroll County has 118 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 86 tanks in service and 250 tanks that have been closed or removed. Over the life of the program, 61 fuel releases were reported here; 54 (89% 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 41.5 tanks in service per 10,000 residents, well above the Iowa average of 22.3 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 Carroll County, IA?

The EPA UST Finder snapshot lists 118 registered UST facilities in Carroll County with 86 tanks currently in service, 250 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Carroll County?

61 releases from underground storage tanks are on record for Carroll County. 54 (89%) reached No Further Action status, while 7 cleanup cases remained open in the snapshot.

How do I check a specific address in Carroll County?

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

Verify with the state

The live regulatory record for any Carroll County facility or leak case is held by the Iowa DNR UST Program. Newer records than this 2018–2021 snapshot may exist.

Nearby countys in Iowa

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