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County file — CO

Underground Storage Tanks in Weld County, CO — 595 facilities, 358 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Weld County, population 298,207.

595UST facilities
365tanks in service
1,137closed tanks
358leak records
15open cases
343no further action

Weld County has 595 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 365 tanks in service and 1,137 tanks that have been closed or removed, plus 4 temporarily out of service. Over the life of the program, 358 fuel releases were reported here; 343 (96% of records) were investigated and closed with No Further Action, and 15 of those cleanup cases were still open when the snapshot was compiled.

That works out to 12.2 tanks in service per 10,000 residents, about equal to the Colorado average of 12.5 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 Weld County, CO?

The EPA UST Finder snapshot lists 595 registered UST facilities in Weld County with 365 tanks currently in service, 1,137 closed or removed tanks, and 4 temporarily out of service.

How many fuel leaks have been reported in Weld County?

358 releases from underground storage tanks are on record for Weld County. 343 (96%) reached No Further Action status, while 15 cleanup cases remained open in the snapshot.

How do I check a specific address in Weld County?

Use the free TankCheck screening at https://tankcheckusa.site/ — paste any Weld 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 Colorado OPS Petroleum Program.

Verify with the state

The live regulatory record for any Weld County facility or leak case is held by the Colorado OPS Petroleum Program. Newer records than this 2018–2021 snapshot may exist.

Nearby countys in Colorado

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