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County file — WA

Underground Storage Tanks in Kittitas County, WA — 189 facilities, 40 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Kittitas County, population 44,439.

189UST facilities
98tanks in service
427closed tanks
40leak records
38open cases
1no further action

Kittitas County has 189 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 98 tanks in service and 427 tanks that have been closed or removed. Over the life of the program, 40 fuel releases were reported here; 1 (2% of records) were investigated and closed with No Further Action, and 38 of those cleanup cases were still open when the snapshot was compiled.

That works out to 22.1 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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Paste an address to map every registered tank and reported leak within a mile — distances in feet, cleanup statuses, and an A–F screening grade. Free, no login.

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Frequently asked questions

How many underground storage tanks are in Kittitas County, WA?

The EPA UST Finder snapshot lists 189 registered UST facilities in Kittitas County with 98 tanks currently in service, 427 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Kittitas County?

40 releases from underground storage tanks are on record for Kittitas County. 1 (2%) reached No Further Action status, while 38 cleanup cases remained open in the snapshot.

How do I check a specific address in Kittitas County?

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