Sylvie Willis
Underground fuel tanks are a significant investment, with installation and cleanup costs amounting to hundreds of thousands of dollars. These tanks are expected to last for at least 15 to 20 years, with regular inspections and proper maintenance. In terms of depreciation, there is some ambiguity. While some sources suggest a five-year recovery period under the Modified Asset Cost Recovery System (MACRS), others argue for a longer period of 15 years. The EPA has specific regulations for underground storage tanks, particularly regarding leak detection and maintenance, with mandatory inspections every three years. Given the substantial costs and regulatory considerations, understanding the appropriate depreciation schedule for these assets is essential for businesses and tax professionals alike.
Characteristics and Values of Underground Fuel Tanks
| Characteristics | Values |
|---|---|
| Useful life | 10-15 years |
| Depreciation rules | 5 years or 9 years if ADS elected |
| Cost | $350,000 |
| Maintenance | Preventative maintenance is required to extend the life expectancy |
| Inspection | Required every three years |
| Leak detection | Difficult, look for signs such as dying plants, soil staining, strong oil odor, rainbow on puddled water, insect infestation, or increased oil consumption |
| Lifespan | More than 20 years, depending on construction, material, installation, maintenance, and soil condition |
| Regulations | EPA revised UST regulations in 2015; must keep records of leak detection performance and maintenance |
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What You'll Learn
Underground fuel tanks have a lifespan of 10-20+ years
Underground fuel tanks typically have a lifespan of 20-25 years, but they can last for 10-20+ years depending on various factors. The lifespan of an underground fuel tank depends on the construction process, material, installation system, maintenance, and soil condition. Modern tanks are built with advanced technology that helps to increase their lifespan. However, leak detection in underground tanks is more difficult compared to above-ground tanks, and regular inspections are necessary to increase their operating years.
Underground fuel tanks are typically made of steel or fiberglass-reinforced plastic (FRP). Steel tanks are more durable and cost-efficient but more prone to corrosion. FRP tanks have a typical warranted lifespan of 30 years. The lifespan of an FRP tank depends on its construction and installation, and insurance companies may get nervous after 25 years.
To extend the life expectancy of an underground fuel tank, preventative maintenance is crucial. The maintenance procedure depends on the tank type and material. Regular maintenance can help extend the lifespan and prevent costly damage. Protective coatings can be added during installation to enhance longevity, and proper backfilling can also help.
UST regulations from the Environmental Protection Agency (EPA) require leak detection, leak prevention, and corrective action for tanks containing regulated substances like petroleum. Professional-led ecological services like tank scans, inspections, and decommissioning can help property owners ensure regulatory compliance and environmental safety.
The age of the tank is usually the main determinant when deciding to replace a UST. Tanks older than 20 years may require more frequent condition checks. Some warning signs that indicate the need for replacement include visible leaks or spills, strong odours, sinking soil, higher-than-expected fuel bills, and dead or discoloured vegetation above the UST. Regular assessments with an environmental remediation company can help promote early detection and ensure compliance with EPA regulations.
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Depreciation rates are 5 years or 9 years if ADS elected
The Modified Asset Cost Recovery System (MACRS) is a depreciation system that allows businesses to recover the costs of assets over their useful lives. The depreciation rates for underground fuel tanks depend on various factors, including the asset class, the type of fuel stored, and the method of depreciation chosen.
Underground fuel tanks are typically classified as Asset Guideline Class 57.0, which is eligible for a 5-year recovery period under MACRS. However, in some cases, the IRS may classify them as Asset Guideline Class 57.1, which allows for a 15-year recovery period. The classification depends on factors such as the shell capacity, height, and diameter of the tanks.
Now, regarding the Alternative Depreciation System (ADS), it is one of the methods prescribed by the IRS for determining depreciation on business assets. Taxpayers can voluntarily elect to use ADS instead of the General Depreciation System (GDS). ADS generally has a longer depreciation period than GDS, resulting in lower annual depreciation costs. For example, residential rental property has a recovery period of 30 years under ADS compared to 27.5 years under GDS.
When it comes to underground fuel tanks, the depreciation rates are 5 years under MACRS for Class 57.0 assets or 9 years if ADS is elected. The choice between MACRS and ADS depends on the taxpayer's preferences, the nature of the asset, and the expected income streams. ADS is often chosen when taxpayers believe that the alternative schedule will better match depreciation deductions against income over the asset's useful life.
It is important to note that depreciation rules can be complex, and there may be specific regulations or updates that apply to underground fuel tanks. Consulting official IRS publications or seeking professional tax advice is recommended to ensure accurate depreciation calculations and compliance with the applicable laws.
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Leak detection and maintenance are critical
Underground fuel tanks are eligible for a 5-year recovery period for depreciation. However, leak detection and maintenance are critical for several reasons. Firstly, leaks from underground storage tanks (USTs) can lead to contamination and environmental damage. Quick detection helps to prevent the spread of contamination and reduces the risk of fire or explosion. Secondly, regular maintenance and leak detection are mandated by law for USTs storing petroleum or hazardous substances. These regulations ensure that leaks are identified and addressed promptly.
There are several methods for leak detection in underground fuel tanks. One common approach is interstitial monitoring, which involves the use of secondary containment, such as a double-wall tank or piping system. This method acts as a barrier between the tank and the environment, providing an extra layer of protection. Interstitial sensors must be checked at least once every 30 days, according to federal regulations. Another method is vapor monitoring, which uses sensors to detect leaks. However, this method is not recommended as the sole means of compliance due to potential delays in detection. Groundwater monitoring is another approach, where permanent monitoring wells are placed near the UST to check for leaked products floating on the groundwater surface.
To ensure effective maintenance and leak detection, UST owners and operators must adhere to certain requirements. Within 30 days of repairing any spill or overfill prevention equipment, they must test or inspect the equipment to ensure it functions properly. This testing must be conducted according to the manufacturer's instructions or industry-recognized standards. Additionally, records must be kept for each repair until the UST system is permanently closed or undergoes a change in service.
Underground fuel tanks require regular maintenance due to their susceptibility to various issues. For instance, aboveground storage tanks can experience microbial growth due to moisture collection. Cleaning and illumination are often necessary for these tanks, and specialised services are available to address these needs. Overall, proper maintenance and leak detection practices are essential for underground fuel tanks to prevent environmental harm, ensure regulatory compliance, and maintain the integrity of the fuel storage system.
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EPA regulations apply to UST systems storing petroleum or hazardous substances
In the United States, the Environmental Protection Agency (EPA) regulates underground storage tanks (USTs) that store petroleum or certain hazardous substances. The EPA's authority to regulate USTs comes from the Solid Waste Disposal Act, the Energy Policy Act of 2005, and the Leaking Underground Storage Tank (LUST) Trust Fund.
The EPA has developed resources to help UST owners and operators prepare for, prevent, or mitigate environmental harm and natural disasters. The greatest potential threat from a leaking UST is the contamination of groundwater, which is the source of drinking water for nearly half of all Americans. Therefore, UST regulations focus on preventing releases and leaks.
UST regulations require that industry codes and standards be followed to ensure that the UST system is properly designed, constructed, installed, and maintained. For example, all UST systems must be designed, constructed, and protected from corrosion in accordance with a code of practice developed by a nationally recognized association or independent testing laboratory. EPA has also included the use of industry codes for other sections of the rule, such as upgrading, repairing, and closing USTs. Additionally, UST systems that store hazardous substances must have secondary containment to prevent leaks from escaping into the environment.
If a release from a UST system is suspected, the owner or operator must report it to the state or local implementing agency within 24 hours. However, it is not necessary to notify the agency of aboveground spills or overfills of petroleum of less than 25 gallons if the release can be contained and cleaned up within 24 hours. The EPA's regulations apply only to UST systems storing either petroleum or certain hazardous substances. The following types of tanks are exempt from federal UST regulations:
- Farm and residential tanks of 1,100 gallons or less capacity holding motor fuel used for non-commercial purposes.
- Tanks storing heating oil used on the premises where it is stored.
- Tanks on or above the floor of underground areas, such as basements or tunnels.
- Septic tanks and systems for collecting stormwater and wastewater.
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$1964.31
Underground tanks are considered part of real estate
Due to the potential environmental hazards associated with leaking underground tanks, it is generally recommended to remove them before selling a property. Many banks, mortgage companies, and home insurance companies will not allow the buyer to settle on a house until the underground tank is properly addressed, and any contaminated soil is remediated. In some cases, the buyer may require the tank to be removed before settlement, which can be a costly and time-consuming process.
The presence of underground tanks can also impact the value of nearby residential properties. Research has shown that households living within a mile of a leaking underground storage tank (LUST) are willing to pay a premium to live farther away from it. This indicates that the negative perception of underground tanks can influence property values in the surrounding area.
From a regulatory perspective, the buyer of a property with underground tanks assumes responsibility for ensuring compliance with local and federal rules. This includes evaluating whether the UST systems meet technical requirements and addressing any contamination that may be present. As such, it is essential for buyers to conduct thorough environmental due diligence before purchasing a property with underground tanks to understand the potential financial and environmental liabilities associated with these structures.
In summary, underground tanks are considered part of real estate and can significantly impact the sale, value, and regulatory compliance of a property. Proper removal, remediation, and maintenance of these tanks are crucial to mitigating potential risks and ensuring a smooth transaction process.
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Frequently asked questions
MACRS stands for Modified Asset Cost Recovery System.
Underground fuel tanks generally last for at least 20 years, depending on the construction process, material, installation system, maintenance, and soil condition. Regular inspections and preventative maintenance can help extend the life expectancy of an underground fuel tank.
According to IRS Pub. 946, underground tanks are considered a 57.0 Class asset and must be depreciated over 5 years or 9 years if ADS is elected. However, some sources suggest that they should be classified as 57.1 Class assets and depreciated over 15 years due to their immovable nature.
