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County file — WA

Underground Storage Tanks in Benton County, WA — 378 facilities, 33 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Benton County, population 195,297.

378UST facilities
221tanks in service
1,051closed tanks
33leak records
33open cases
0no further action

Benton County has 378 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 221 tanks in service and 1,051 tanks that have been closed or removed, plus 4 temporarily out of service. Over the life of the program, 33 fuel releases were reported here; 0 (0% of records) were investigated and closed with No Further Action, and 33 of those cleanup cases were still open when the snapshot was compiled.

That works out to 11.3 tanks in service per 10,000 residents, about equal to 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 Benton County, WA?

The EPA UST Finder snapshot lists 378 registered UST facilities in Benton County with 221 tanks currently in service, 1,051 closed or removed tanks, and 4 temporarily out of service.

How many fuel leaks have been reported in Benton County?

33 releases from underground storage tanks are on record for Benton County. 0 (0%) reached No Further Action status, while 33 cleanup cases remained open in the snapshot.

How do I check a specific address in Benton County?

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