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County file — AK

Underground Storage Tanks in Yukon-Koyukuk Borough, AK — 59 facilities, 50 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Yukon-Koyukuk Borough, population 5,419.

59UST facilities
15tanks in service
159closed tanks
50leak records
12open cases
38no further action

Yukon-Koyukuk Borough has 59 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 15 tanks in service and 159 tanks that have been closed or removed. Over the life of the program, 50 fuel releases were reported here; 38 (76% of records) were investigated and closed with No Further Action, and 12 of those cleanup cases were still open when the snapshot was compiled.

That works out to 27.7 tanks in service per 10,000 residents, well above the Alaska average of 11.0 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 Yukon-Koyukuk Borough

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 Yukon-Koyukuk Borough, AK?

The EPA UST Finder snapshot lists 59 registered UST facilities in Yukon-Koyukuk Borough with 15 tanks currently in service, 159 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Yukon-Koyukuk Borough?

50 releases from underground storage tanks are on record for Yukon-Koyukuk Borough. 38 (76%) reached No Further Action status, while 12 cleanup cases remained open in the snapshot.

How do I check a specific address in Yukon-Koyukuk Borough?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Yukon-Koyukuk Borough 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 Alaska DEC Storage Tank Program.

Verify with the state

The live regulatory record for any Yukon-Koyukuk Borough facility or leak case is held by the Alaska DEC Storage Tank Program. Newer records than this 2018–2021 snapshot may exist.

Nearby boroughs in Alaska

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