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County file — NH

Underground Storage Tanks in Grafton County, NH — 502 facilities, 254 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Grafton County, population 92,489.

502UST facilities
274tanks in service
1,353closed tanks
254leak records
64open cases
190no further action

Grafton County has 502 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 274 tanks in service and 1,353 tanks that have been closed or removed. Over the life of the program, 254 fuel releases were reported here; 190 (75% of records) were investigated and closed with No Further Action, and 64 of those cleanup cases were still open when the snapshot was compiled.

That works out to 29.6 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.

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Frequently asked questions

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

The EPA UST Finder snapshot lists 502 registered UST facilities in Grafton County with 274 tanks currently in service, 1,353 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Grafton County?

254 releases from underground storage tanks are on record for Grafton County. 190 (75%) reached No Further Action status, while 64 cleanup cases remained open in the snapshot.

How do I check a specific address in Grafton County?

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