Should I remove a decommissioned oil tank?
James Craig
Published Apr 17, 2026
Having your industrial tank properly decommissioned prevents the need for further environmental measures. Decommissioned tanks do not necessarily have to be removed from the property but they are rendered unusable, filled with an inert substance like foam or sand after all of the oil is removed.
What does it mean when an oil tank is decommissioned?
The process of decommissioning refers to “permanently closing a tank” by either capping it, filling it with material like foam or slurry, or digging it up and removing it from the ground completely.
Why do oil tanks need to be removed?
Leaking and Environmental Damage Risks The tanks will rust and then leak, causing damage to the land, and can threaten the health of you and the neighborhood. If you have a tank that was designed to be underground, it can still rust and leak, so it is important to consider removing it.
Is it better to have an oil tank inside or outside?
Most experts say there’s no competition. You’re usually better off with an indoor tank than an outdoor one if you’re considering home oil tank options.
How much does it cost to remove an oil tank from the ground?
Removing the contaminated soil typically runs around $12,000 to $20,000, according to tank removal companies. But if the oil leak is large, or the oil has gotten into the groundwater, costs can soar above $100,000.
Can I put my oil tank next to the house?
An oil tank has to be a minimum of 1.8 metres away from any part of a building or construction that isn’t fire resistant, such as doors, windows, eves and cladding.
Can you leave an oil tank in the ground?
Depending on your location, state regulations may require your oil tank be removed if it is no longer in use. So, you could leave your tank in the ground and take the “out of sight, out of mind approach,” but that’s neither safe nor responsible.
Can you run two boilers one oil tank?
Burnerman. Its common enough to run two separate units from one tank – but an isolator and fire stop valve on each pipe run is a good idea.
How long do in ground oil tanks last?
20 years
All things have a finite life expectancy. Both aboveground storage tanks (ASTs) and underground storage tanks (USTs) have a usable life. The problem is your tank can fail (holes appear) and you may never notice. An industry average for the life span of an oil tank is 20 years, some tanks last longer and some shorter.
How long can home heating oil sit in a tank?
between 18 and 24 months
Heating oil will generally last between 18 and 24 months inside a residential oil tank. As long as the tank is clean and free of impurities, the oil should flow fine and heat your living quarters efficiently.
What to do if your oil tank is leaking?
Indoor oil tank leak:
- Notify the fire department: If you smell oil, contact your local fire officials immediately.
- Ventilate the area: Immediately open your windows and set up fans to blow any odors outdoors.
- Close off the area to the leak: Until fire officials arrive, don’t let anyone near the leak.
Can you die from oil fumes?
Long-term exposure to heating oil fumes, often due to undetected leaks, can cause liver and kidney damage, diminished ability to smell and taste, and other serious health problems. Heating oil is not currently known to cause cancer, although one of its constituents -– benzene –- is carcinogenic.
Can I remove an oil tank myself?
Although, it is impossible to remove and oil tank by yourself and here is why: An underground oil tank removal is a hard process to encounter, and it requires specific permits from the county and/or state.
Is a leaking oil tank dangerous?
Health Risks Of Oil Tank Leaks When stored and used properly, home heating oil is safe, but it can become an environmental pollutant when it leaks. Undetected leaks can poison the soil, groundwater, and wildlife. While it has a relatively low toxicity to humans, prolonged exposure can be harmful, even deadly.
Removing an oil, fuel or water tank costs $1,152 on average and typically ranges between $533 and $1,826. Aboveground storage tank (AST) removal runs in the $300 to $1,500 range. An underground storage tank (UST) removal costs $1,000 to $3,500.
Which is the most effective way to decommission an oil tank?
Environmental hazard – Ensuring that tanks are emptied of all residual liquid when no longer in use, to eliminate the possibility of a leak or spill. With any fuel or oil tank, the most effective method of decommissioning is to simply remove and dispose of the tank, as this is completely eliminating the hazard.
What are the environmental issues with oil tank removal?
The largest concerns relating to environmental issues are heating oil leaks that cause soil or groundwater contamination. Economic issues consist of the cost and risks associated with testing, tank removal and site cleanup.
When to remove an underground oil tank in Michigan?
Michigan requires all USTs be properly closed and removed within one year of its last use unless removing it would jeopardize the structural integrity of a connected structure. If the UST stays in the ground, it must be 100% filled with an inert material, like cement slurry or pea gravel.
How is a fuel and oil tank removed?
Fuel and oil tank decommissioning by removal will generally begin by cleaning the tank internally, followed by either an uplift should the tank be external, cutting it into sections to remove it from a tank room, or excavation should the tank be underground.