Colorado Oil Tank Removal, Inspection & UST Contractors
Find contractors in Colorado for oil tank removal, underground storage tank inspection, fuel tank testing, decommissioning, and remediation.
Colorado Oil Tank Removal, Fuel Tank Inspection & UST Contractors
Don't see your company listed?
If you provide oil tank removal, UST inspection, testing, or related services in Colorado, request to be added to our directory.
Request to Be Listed →Colorado UST regulations are administered by the Colorado Division of Oil and Public Safety. For federal UST requirements, see the EPA Underground Storage Tank Program.
Underground Storage Tanks in Colorado
- Active regulated USTs
- 7,125
- Federally regulated tank systems registered as active, as of March 31, 2026
- Closed USTs
- 25,842
- Regulated tank systems closed to date, as of March 31, 2026
- Leaks not yet cleaned up
- 344
- Confirmed petroleum releases not yet cleaned up, of 10,231 confirmed to date, as of March 31, 2026
- Homes heated with oil
- 0.2%
- Share of occupied homes whose main heating fuel is fuel oil, kerosene or similar, 2024 estimate
Home heating oil tanks are exempt from the federal UST rules and are not in the EPA counts.
Sources: EPA, UST Performance Measures, Mid-Year FY 2026; U.S. Census Bureau, American Community Survey 2024 1-year estimates, table B25040 (House Heating Fuel).
Common Questions About UST Contractors in Colorado
Does Colorado require a licensed UST contractor?
Yes. Colorado requires contractors performing regulated underground storage tank work to hold a credential issued by the Colorado Department of Labor and Employment, Division of Oil and Public Safety.
Who regulates underground storage tanks in Colorado?
The Colorado Division of Oil and Public Safety oversees underground storage tank regulations in Colorado. Federal requirements come from the EPA underground storage tank program.
How do I verify a UST contractor's credentials in Colorado?
Ask the contractor for their credential number and confirm it directly with the Colorado Department of Labor and Employment, Division of Oil and Public Safety. Also ask for proof of insurance appropriate for tank work.