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County file — WA

Underground Storage Tanks in Whitman County, WA — 307 facilities, 28 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Whitman County, population 49,184.

307UST facilities
56tanks in service
611closed tanks
28leak records
28open cases
0no further action

Whitman County has 307 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 56 tanks in service and 611 tanks that have been closed or removed, plus 6 temporarily out of service. Over the life of the program, 28 fuel releases were reported here; 0 (0% of records) were investigated and closed with No Further Action, and 28 of those cleanup cases were still open when the snapshot was compiled.

That works out to 11.4 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 Whitman County, WA?

The EPA UST Finder snapshot lists 307 registered UST facilities in Whitman County with 56 tanks currently in service, 611 closed or removed tanks, and 6 temporarily out of service.

How many fuel leaks have been reported in Whitman County?

28 releases from underground storage tanks are on record for Whitman County. 0 (0%) reached No Further Action status, while 28 cleanup cases remained open in the snapshot.

How do I check a specific address in Whitman County?

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