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Propane Tanks

Everything You Need to Know About Underground Propane Tanks

Underground propane tank
When it comes to residential propane usage, many homeowners opt for underground propane tanks due to their numerous advantages. In this in-depth blog post, we will explore the world of underground propane tanks, covering everything from their installation and costs to safety considerations and maintenance. Whether you are considering installing a propane tank or looking for more information on the topic, this guide will provide you with valuable insights. 

Understanding Underground Propane Tanks 

Before delving into the specifics, let's start with a brief definition of underground propane tanks. These tanks, as the name suggests, are designed to be installed below the ground surface, offering a convenient and aesthetically pleasing solution for storing propane gas. They provide homeowners with a safe, efficient, and reliable means of accessing propane for various applications, including heating, cooking, and powering appliances. 


Underground propane tank sizes 

When considering propane tanks underground, it's essential to understand the various sizes and dimensions available to suit your specific needs. Underground propane tank sizes can vary, offering homeowners flexibility in choosing the right capacity for their propane requirements. Common sizes include the 1000-gallon, 500-gallon, and 250-gallon underground propane tanks. 

  • The 1000-gallon tank is a popular choice for larger homes or properties with higher propane consumption. It provides an ample supply of propane for heating, cooking, and powering appliances.  
  • The 500-gallon tank is well-suited for medium-sized homes, offering a substantial propane capacity while requiring less space.  
  • For smaller homes or properties with lower propane demands, the 250-gallon tank is a compact and efficient choice.  

Understanding the dimensions and capacity of different underground propane tank sizes enables homeowners to select the optimal option for their specific requirements.


Underground Propane Tank Installation

Installing an underground propane tank involves several key steps to ensure safety and compliance with regulations. Here's a breakdown of the installation process:

1. Determining Tank Size and Location:

  • Assess your propane usage requirements to determine the appropriate tank size.
  • Identify a suitable location on your property, considering factors such as accessibility, distance from structures, and underground utility lines.

2. Excavation and Site Preparation:

  • Excavate the area to create a level and stable foundation for the tank.
  • Ensure compliance with local regulations regarding setback distances and clearance requirements.

3. Tank Installation:

  • Place the tank into the excavated hole, ensuring it is level and supported properly.
  • Connect the necessary underground propane lines and perform pressure testing to ensure integrity.

4. Backfilling and Surface Restoration:

  • Backfill the hole with suitable material and compact it properly.
  • Restore the surface to its previous state, considering landscaping and other aesthetic factors. 

Underground tank installation infographic


Underground propane tank installation

Understanding the installation process of an underground propane tank is crucial for homeowners considering this energy solution. To provide a clear visual representation of the installation steps, an underground propane tank installation diagram serves as a valuable resource. This diagram illustrates the key components, placement, and connections involved in installing an underground propane tank. By following the diagram, homeowners can gain a better understanding of the process and ensure compliance with safety regulations.


Underground Propane Tank Regulations and Safety 

1. Regulations: 

  • Familiarize yourself with local and state regulations governing the installation and use of underground propane tanks. 
  • Ensure compliance with setback distances from structures, property lines, and potential hazards. 
  • Obtain necessary permits and inspections to ensure adherence to safety standards. 

2. Safety Considerations:

  • Propane tanks underground are designed with safety in mind and undergo rigorous testing.
  • Regular inspections and maintenance are crucial to ensure safe and efficient operation.
  • Install appropriate safety features, such as protective fencing and emergency shut-off valves. 


Pros and Cons of Underground Propane Tanks 

Understanding the advantages and disadvantages of underground propane tanks can help you make an informed decision. Here are some key points to consider: 


  • Aesthetically pleasing as they are hidden from view. 
  • Greater protection against weather elements and potential damage. 
  • Efficient space utilization, freeing up valuable yard space.
  • Reduced risk of theft or vandalism.


  • Higher installation costs compared to above-ground tanks. 
  • Potential challenges in accessing tanks for maintenance or repairs. 
  • Limited flexibility in relocation due to excavation and site preparation requirements. 


Underground propane tank vs above ground tanks 

When deciding between an underground propane tank and an above-ground propane tank, homeowners should consider their specific needs and preferences. Same as  underground propane tanks above-ground propane tanks offer several advantages: they are typically easier to install, maintain, and access for repairs. They may be more cost-effective initially, as underground tank installations involve excavation and site preparation. Ultimately, the choice between an underground and above-ground propane tank depends on factors such as property layout, local regulations, budget, and personal preferences. You can read more about above ground tanks in our blog post.  


Underground Propane Tank Costs 

The cost of installing a residential underground propane tank can vary depending on various factors, such as tank size, installation complexity, and local labor costs. On average, the installation cost ranges from $5,000 to $10,000, excluding additional expenses such as excavation, permits, and landscaping restoration. 

Underground Propane Tank Maintenance and Inspection 

To ensure the longevity and safe operation of your underground propane tank, regular maintenance and inspections are essential. Here are some key points to keep in mind: 

1. Maintenance: 

  • Schedule routine maintenance checks with a qualified propane professional. 
  • Inspect tank, components, valves, and connections for signs of wear or damage. 
  • Clean the tank exterior and keep the surrounding area clear of debris. 

2. Inspection: 

  • Schedule periodic inspections to detect potential leaks or issues. 
  • Test pressure levels and conduct a leak check to ensure safety and compliance. 
  • Follow the manufacturer's guidelines and consult local regulations for inspection requirements.


Underground Propane Tank Safety and Best Practices 

1. Safety Measures: 

  • Keep the area around the tank clear of combustible materials and vegetation. 
  • Install gas detectors and carbon monoxide alarms in appropriate locations. 
  • Educate household members about propane safety and emergency procedures. 

2. Best Practices: 

  • Follow proper handling and storage guidelines for propane cylinders and tanks.
  • Regularly inspect propane lines for leaks or damage.
  • In case of a suspected leak or emergency, evacuate the area and contact emergency services immediately. 


Underground Propane Tank: Pinnacle Propane – The Best Choice 

When it comes to purchasing and installing an underground propane tank, Pinnacle Propane stands out as a reliable and customer-focused provider. With their extensive experience, competitive pricing, and commitment to safety and quality, Pinnacle Propane is the ideal choice for homeowners seeking excellence in underground propane solutions. 

Installing an residential underground propane tank offers homeowners a convenient and efficient way to access propane for their residential needs. From installation to maintenance and safety considerations, understanding the ins and outs of underground propane tanks is crucial for a seamless experience. Remember to comply with regulations, prioritize safety, and consider trusted suppliers like Pinnacle Propane for your underground propane tank needs. With proper installation and regular maintenance, you can enjoy the benefits of a reliable and cost-effective energy solution for years to come. 

Visit our website to find a propane tank installer near your place.