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County file — OR

Underground Storage Tanks in Multnomah County, OR — 1,930 facilities, 1,743 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Multnomah County, population 801,725.

1,930UST facilities
862tanks in service
5,198closed tanks
1,743leak records
141open cases
1,602no further action

Multnomah County has 1,930 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 862 tanks in service and 5,198 tanks that have been closed or removed, plus 45 temporarily out of service. Over the life of the program, 1,743 fuel releases were reported here; 1,602 (92% of records) were investigated and closed with No Further Action, and 141 of those cleanup cases were still open when the snapshot was compiled.

That works out to 10.8 tanks in service per 10,000 residents, below the Oregon average of 12.9 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 Multnomah 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 Multnomah County, OR?

The EPA UST Finder snapshot lists 1,930 registered UST facilities in Multnomah County with 862 tanks currently in service, 5,198 closed or removed tanks, and 45 temporarily out of service.

How many fuel leaks have been reported in Multnomah County?

1,743 releases from underground storage tanks are on record for Multnomah County. 1,602 (92%) reached No Further Action status, while 141 cleanup cases remained open in the snapshot.

How do I check a specific address in Multnomah County?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Multnomah 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 Oregon DEQ UST Program.

Verify with the state

The live regulatory record for any Multnomah County facility or leak case is held by the Oregon DEQ UST Program. Newer records than this 2018–2021 snapshot may exist.

Nearby countys in Oregon

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