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County file — NH

Underground Storage Tanks in Rockingham County, NH — 826 facilities, 495 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Rockingham County, population 308,863.

826UST facilities
566tanks in service
2,351closed tanks
495leak records
128open cases
367no further action

Rockingham County has 826 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 566 tanks in service and 2,351 tanks that have been closed or removed. Over the life of the program, 495 fuel releases were reported here; 367 (74% of records) were investigated and closed with No Further Action, and 128 of those cleanup cases were still open when the snapshot was compiled.

That works out to 18.3 tanks in service per 10,000 residents, below 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 Rockingham County, NH?

The EPA UST Finder snapshot lists 826 registered UST facilities in Rockingham County with 566 tanks currently in service, 2,351 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Rockingham County?

495 releases from underground storage tanks are on record for Rockingham County. 367 (74%) reached No Further Action status, while 128 cleanup cases remained open in the snapshot.

How do I check a specific address in Rockingham County?

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