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County file — CO

Underground Storage Tanks in Dolores County, CO — 20 facilities, 15 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Dolores County, population 1,990.

20UST facilities
10tanks in service
53closed tanks
15leak records
0open cases
15no further action

Dolores County has 20 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 10 tanks in service and 53 tanks that have been closed or removed. Over the life of the program, 15 fuel releases were reported here; 15 (100% of records) were investigated and closed with No Further Action, and no cleanup cases remained open when the snapshot was compiled.

That works out to 50.3 tanks in service per 10,000 residents, well above 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 Dolores County, CO?

The EPA UST Finder snapshot lists 20 registered UST facilities in Dolores County with 10 tanks currently in service, 53 closed or removed tanks, and 0 temporarily out of service.

How many fuel leaks have been reported in Dolores County?

15 releases from underground storage tanks are on record for Dolores County. 15 (100%) reached No Further Action status, while 0 cleanup cases remained open in the snapshot.

How do I check a specific address in Dolores County?

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