County file — NH

Underground Storage Tanks in Carroll County, NH — 300 facilities, 142 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Carroll County, population 47,713.

300UST facilities
148tanks in service
731closed tanks
142leak records
37open cases
105no further action

Carroll County has 300 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 148 tanks in service and 731 tanks that have been closed or removed. Over the life of the program, 142 fuel releases were reported here; 105 (74% of records) were investigated and closed with No Further Action, and 37 of those cleanup cases were still open when the snapshot was compiled.

That works out to 31.0 tanks in service per 10,000 residents, well above the New Hampshire average of 19.8 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.

Check any address in Carroll County

Paste an address to map every registered tank and reported leak within a mile — distances in feet, cleanup statuses, and an A–F screening grade. Free, no login.

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Frequently asked questions

How many underground storage tanks are in Carroll County, NH?

The EPA UST Finder snapshot lists 300 registered UST facilities in Carroll County with 148 tanks currently in service, 731 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Carroll County?

142 releases from underground storage tanks are on record for Carroll County. 105 (74%) reached No Further Action status, while 37 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 NHDES UST Program.

Verify with the state

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

Nearby countys in New Hampshire

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