County file — WA

Underground Storage Tanks in Pierce County, WA — 1,606 facilities, 306 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Pierce County, population 862,336.

1,606UST facilities
859tanks in service
3,904closed tanks
306leak records
280open cases
24no further action

Pierce County has 1,606 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 859 tanks in service and 3,904 tanks that have been closed or removed, plus 20 temporarily out of service. Over the life of the program, 306 fuel releases were reported here; 24 (8% of records) were investigated and closed with No Further Action, and 280 of those cleanup cases were still open when the snapshot was compiled.

That works out to 10.0 tanks in service per 10,000 residents, below 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.

Check any address in Pierce County

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 Pierce County, WA?

The EPA UST Finder snapshot lists 1,606 registered UST facilities in Pierce County with 859 tanks currently in service, 3,904 closed or removed tanks, and 20 temporarily out of service.

How many fuel leaks have been reported in Pierce County?

306 releases from underground storage tanks are on record for Pierce County. 24 (8%) reached No Further Action status, while 280 cleanup cases remained open in the snapshot.

How do I check a specific address in Pierce County?

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