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County file — CO

Underground Storage Tanks in Douglas County, CO — 247 facilities, 157 leak records

What the EPA UST Finder snapshot (2018–2021 state data) shows for Douglas County, population 335,339.

247UST facilities
245tanks in service
340closed tanks
157leak records
8open cases
149no further action

Douglas County has 247 registered underground storage tank facilities in the national snapshot — gas stations, fleet yards, and other regulated fuel sites — holding 245 tanks in service and 340 tanks that have been closed or removed, plus 9 temporarily out of service. Over the life of the program, 157 fuel releases were reported here; 149 (95% of records) were investigated and closed with No Further Action, and 8 of those cleanup cases were still open when the snapshot was compiled.

That works out to 7.3 tanks in service per 10,000 residents, well below 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 Douglas County, CO?

The EPA UST Finder snapshot lists 247 registered UST facilities in Douglas County with 245 tanks currently in service, 340 closed or removed tanks, and 9 temporarily out of service.

How many fuel leaks have been reported in Douglas County?

157 releases from underground storage tanks are on record for Douglas County. 149 (95%) reached No Further Action status, while 8 cleanup cases remained open in the snapshot.

How do I check a specific address in Douglas County?

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