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County file — WA

Underground Storage Tanks in Grant County, WA — 472 facilities, 18 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Grant County, population 93,179.

472UST facilities
188tanks in service
1,082closed tanks
18leak records
18open cases
0no further action

Grant County has 472 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 188 tanks in service and 1,082 tanks that have been closed or removed, plus 7 temporarily out of service. Over the life of the program, 18 fuel releases were reported here; 0 (0% of records) were investigated and closed with No Further Action, and 18 of those cleanup cases were still open when the snapshot was compiled.

That works out to 20.2 tanks in service per 10,000 residents, well above the Washington average of 11.8 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 Grant County, WA?

The EPA UST Finder snapshot lists 472 registered UST facilities in Grant County with 188 tanks currently in service, 1,082 closed or removed tanks, and 7 temporarily out of service.

How many fuel leaks have been reported in Grant County?

18 releases from underground storage tanks are on record for Grant County. 0 (0%) reached No Further Action status, while 18 cleanup cases remained open in the snapshot.

How do I check a specific address in Grant County?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Grant 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 WA Ecology UST Program.

Verify with the state

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

Nearby countys in Washington

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