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County file — NY

Underground Storage Tanks in St. Lawrence County, NY — 538 facilities, 367 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for St. Lawrence County, population 115,086.

538UST facilities
190tanks in service
1,453closed tanks
367leak records
44open cases
323no further action

St. Lawrence County has 538 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 190 tanks in service and 1,453 tanks that have been closed or removed, plus 10 temporarily out of service. Over the life of the program, 367 fuel releases were reported here; 323 (88% of records) were investigated and closed with No Further Action, and 44 of those cleanup cases were still open when the snapshot was compiled.

That works out to 16.5 tanks in service per 10,000 residents, well above the New York average of 11.7 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 St. Lawrence County, NY?

The EPA UST Finder snapshot lists 538 registered UST facilities in St. Lawrence County with 190 tanks currently in service, 1,453 closed or removed tanks, and 10 temporarily out of service.

How many fuel leaks have been reported in St. Lawrence County?

367 releases from underground storage tanks are on record for St. Lawrence County. 323 (88%) reached No Further Action status, while 44 cleanup cases remained open in the snapshot.

How do I check a specific address in St. Lawrence County?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any St. Lawrence 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 NYSDEC Bulk Storage Program.

Verify with the state

The live regulatory record for any St. Lawrence County facility or leak case is held by the NYSDEC Bulk Storage Program. Newer records than this 2018–2021 snapshot may exist.

Nearby countys in New York

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