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County file — WA

Underground Storage Tanks in Island County, WA — 115 facilities, 18 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Island County, population 83,436.

115UST facilities
65tanks in service
265closed tanks
18leak records
18open cases
0no further action

Island County has 115 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 65 tanks in service and 265 tanks that have been closed or removed, plus 4 temporarily out of service. Over the life of the program, 18 fuel releases were reported here; 0 (0% of records) were investigated and closed with No Further Action, and 18 of those cleanup cases were still open when the snapshot was compiled.

That works out to 7.8 tanks in service per 10,000 residents, well 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.

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Frequently asked questions

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

The EPA UST Finder snapshot lists 115 registered UST facilities in Island County with 65 tanks currently in service, 265 closed or removed tanks, and 4 temporarily out of service.

How many fuel leaks have been reported in Island County?

18 releases from underground storage tanks are on record for Island County. 0 (0%) reached No Further Action status, while 18 cleanup cases remained open in the snapshot.

How do I check a specific address in Island County?

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

← All Washington counts