Delaware Oil Tank Removal, Inspection & UST Contractors
Find contractors in Delaware for oil tank removal, underground storage tank inspection, fuel tank testing, decommissioning, and remediation.
Delaware 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 Delaware, request to be added to our directory.
Request to Be Listed →Delaware UST regulations are administered by the Delaware Department of Natural Resources. For federal UST requirements, see the EPA Underground Storage Tank Program.
Underground Storage Tanks in Delaware
- Active regulated USTs
- 1,233
- Federally regulated tank compartments registered as active, as of March 31, 2026
- Closed USTs
- 7,984
- Regulated tank compartments closed to date, as of March 31, 2026
- Leaks not yet cleaned up
- 11
- Confirmed petroleum releases not yet cleaned up, of 3,024 confirmed to date, as of March 31, 2026
- Homes heated with oil
- 6.8%
- 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 Delaware
Does Delaware require a licensed UST contractor?
Yes. Delaware requires contractors performing regulated underground storage tank work to hold a credential issued by the Delaware Department of Natural Resources and Environmental Control.
Who regulates underground storage tanks in Delaware?
The Delaware Department of Natural Resources oversees underground storage tank regulations in Delaware. Federal requirements come from the EPA underground storage tank program.
How do I verify a UST contractor's credentials in Delaware?
Ask the contractor for their credential number and confirm it directly with the Delaware Department of Natural Resources and Environmental Control. Also ask for proof of insurance appropriate for tank work.