TankCheck

TankCheck / States / Washington

County file — WA

Underground Storage Tanks in Jefferson County, WA — 124 facilities, 25 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Jefferson County, population 31,374.

124UST facilities
58tanks in service
295closed tanks
25leak records
25open cases
0no further action

Jefferson County has 124 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 58 tanks in service and 295 tanks that have been closed or removed, plus 12 temporarily out of service. Over the life of the program, 25 fuel releases were reported here; 0 (0% of records) were investigated and closed with No Further Action, and 25 of those cleanup cases were still open when the snapshot was compiled.

That works out to 18.5 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 Jefferson County, WA?

The EPA UST Finder snapshot lists 124 registered UST facilities in Jefferson County with 58 tanks currently in service, 295 closed or removed tanks, and 12 temporarily out of service.

How many fuel leaks have been reported in Jefferson County?

25 releases from underground storage tanks are on record for Jefferson County. 0 (0%) reached No Further Action status, while 25 cleanup cases remained open in the snapshot.

How do I check a specific address in Jefferson County?

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