Concrete Septic Tanks

Concrete Septic Tanks: A Solid Choice for Wastewater Management


Septic systems are a crucial part of wastewater management for many homes and businesses, especially in areas without access to municipal sewer systems. Among the various materials used to construct septic tanks, concrete stands out as a popular and reliable option. This blog post delves into the world of concrete septic tanks, exploring their benefits, drawbacks, maintenance needs, and more.

What is a Concrete Septic Tank?

A concrete septic tank is a type of underground wastewater treatment chamber made primarily of concrete.

It’s designed to hold and break down sewage, allowing the liquid effluent to flow into a drain field for further treatment.

Advantages of Concrete Septic Tanks

  1. Durability: Concrete is known for its strength and longevity, making it a robust choice for septic tanks.
  2. Weight: The substantial weight of concrete tanks helps them stay in place, reducing the risk of shifting or floating.
  3. Customization: Concrete tanks can be custom-built to fit specific size and shape requirements.

Drawbacks of Concrete Septic Tanks

  1. Potential Cracking: Over time, concrete can develop cracks, leading to leaks.
  2. Weight Considerations: The heavyweight requires careful handling during installation.
  3. Cost: Concrete tanks can be more expensive than other materials like plastic or fiberglass.

Installation of Concrete Septic Tanks

Installing a concrete septic tank requires professional expertise and adherence to local regulations. Key steps include:

  • Site Evaluation: Assessing soil conditions, water table levels, and space requirements.
  • Excavation: Digging a hole to accommodate the tank.
  • Placement: Carefully lower the tank into the excavated hole.
  • Connection: Connect the tank to the home’s plumbing system and the drain field.
  • Inspection: Ensuring compliance with local codes and regulations.


Regular maintenance is vital to keep a concrete septic tank functioning properly:

  • Regular Pumping: Depending on usage, pumping every 3-5 years is typically recommended.
  • Inspection for Cracks: Regularly inspecting for cracks or leaks helps prevent major issues.
  • Avoid Overloading: Being mindful of water usage and avoiding harsh chemicals helps prolong the tank’s life.

Conclusion: Is a Concrete Septic Tank Right for You?

They offer a durable and often long-lasting solution for wastewater management. However, they come with their own set of considerations, including potential cracking, weight, and cost.

If you’re considering a concrete septic tank, consulting with a septic system professional can help you determine if it’s the right choice for your property. Understanding the unique characteristics of concrete and committing to regular maintenance can lead to a successful and long-lasting septic system.