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County file — MN

Underground Storage Tanks in Rock County, MN — 52 facilities, 39 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Rock County, population 9,747.

52UST facilities
32tanks in service
119closed tanks
39leak records
5open cases
34no further action

Rock County has 52 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 32 tanks in service and 119 tanks that have been closed or removed. Over the life of the program, 39 fuel releases were reported here; 34 (87% of records) were investigated and closed with No Further Action, and 5 of those cleanup cases were still open when the snapshot was compiled.

That works out to 32.8 tanks in service per 10,000 residents, well above the Minnesota average of 19.3 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 Rock County, MN?

The EPA UST Finder snapshot lists 52 registered UST facilities in Rock County with 32 tanks currently in service, 119 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Rock County?

39 releases from underground storage tanks are on record for Rock County. 34 (87%) reached No Further Action status, while 5 cleanup cases remained open in the snapshot.

How do I check a specific address in Rock County?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Rock 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 MPCA UST Program.

Verify with the state

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

Nearby countys in Minnesota

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