Underground Oil Tank Removal in New Hampshire, New Hampshire
Underground storage tanks (USTs) require specialized removal procedures. In New Hampshire, New Hampshire, our listed contractors are licensed and equipped to safely excavate and remove buried oil tanks while complying with all New Hampshire environmental regulations.
About Underground Tank Removal in New Hampshire
Underground tank removal is more complex than above-ground tank removal because it requires excavation, careful handling to prevent spills, and mandatory soil testing. In New Hampshire, UST removal must follow New Hampshire Department of Environmental Services (NHDES) guidelines. Most underground residential tanks are 275, 550, or 1000 gallons and were installed between 1940-1985.
Very high heating oil use - about 35% of homes. Many underground tanks in older properties.
When You Need Underground Tank Removal
- Underground tanks corrode faster due to soil moisture and {soilType}
- Real estate transactions - most buyers require UST removal
- Mortgage lenders often won't finance homes with underground tanks
- Environmental liability concerns
- Unknown tank condition creates insurance issues
- Peace of mind knowing contamination risk is eliminated
The UST Removal Process in New Hampshire
- 1Locate tank using ground-penetrating radar or probing
- 2Obtain permits from New Hampshire Department of Environmental Services (NHDES) ($100-250)
- 3Mark underground utilities before excavation
- 4Excavate soil around the tank
- 5Drain remaining oil and sludge
- 6Cut tank for easier removal if needed
- 7Lift tank from excavation using equipment
- 8Collect soil samples from tank grave (required in New Hampshire)
- 9Transport tank to certified disposal facility
- 10Backfill with certified clean fill
- 11Provide closure report and documentation
New Hampshire Regulations
Regulatory Body: New Hampshire Department of Environmental Services (NHDES)
Permit Required: Yes
Permit Cost: $100-250
Notable Requirements: NHDES Oil Fund. Licensed oil burner technicians required. Strong groundwater protection.
Underground Tank Removal FAQs for New Hampshire
How do I know if I have an underground oil tank?
Signs include: fill and vent pipes sticking out of the ground, oil smell in basement without visible tank, older home (pre-1985) with no visible heating system, or property records showing oil heat history. A tank sweep ($300-450) can definitively locate buried tanks.
Can I remove an underground tank myself?
No. In New Hampshire, underground tank removal must be performed by licensed contractors certified by New Hampshire Department of Environmental Services (NHDES). DIY removal is illegal and dangerous.
What size excavator is needed for UST removal?
Most residential UST removals in New Hampshire use a mini excavator or small backhoe. The excavation typically needs to be 2-3 feet larger than the tank on all sides.
Will underground tank removal damage my yard?
There will be temporary disruption to your yard where the tank is buried. Professional contractors minimize damage and restore the area with clean fill and topsoil. Most yards recover within one growing season.
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