Septic tank riser installation for older septic systems

Septic tank riser installation for older septic systems

Septic tank riser installation for older septic systems

Septic Tank Riser Installation for Older Septic Systems

Septic systems are an integral part of any property, ensuring the safe and efficient disposal of wastewater. However, older septic systems often lack certain modern features that enhance accessibility and maintenance, such as septic tank risers. This article delves into the importance of installing septic tank risers on older systems, the installation process, and the benefits they offer.

Understanding Septic Tank Risers

Septic tank risers are essentially extensions that bring the lid of your septic tank to the surface of your yard. They are typically made from plastic or concrete and are designed to fit over the opening of your septic tank. The primary purpose of a septic tank riser is to eliminate the need for digging each time your septic tank requires pumping or maintenance.

The Need for Septic Tank Risers in Older Systems

Older septic systems were often installed without risers. This means that accessing the tank for regular maintenance or emergencies involves significant digging, which can be time-consuming, labor-intensive, and potentially damaging to your landscape. Installing a septic tank riser on an older system can significantly simplify this process, saving homeowners time and money in the long run.

Installation Process

1. Site Preparation

The first step in installing a septic tank riser is to locate the septic tank and prepare the site. This involves digging down to the lid of the tank and clearing away any debris or obstructions.

2. Choosing the Right Riser

Septic tank risers come in various sizes and materials. It’s crucial to choose a riser that fits your tank’s opening perfectly. Plastic risers are generally recommended due to their durability and ease of installation.

3. Installation

The riser is then secured to the tank opening using a special adhesive or sealant. It’s important to ensure a tight seal to prevent any potential leaks or odors. The soil is then backfilled around the riser, leaving the lid accessible at ground level.

Benefits of Installing Septic Tank Risers

  • Improved Accessibility: Septic tank risers bring the tank’s access point to the surface, making it easier to perform regular maintenance and inspections.
  • Cost and Time Efficiency: By eliminating the need for digging, risers can save homeowners significant time and money.
  • Enhanced Safety: Risers can help prevent accidental falls into the tank and reduce the risk of damage to the tank during digging.

Case Study: The Impact of Septic Tank Riser Installation

A 2018 study conducted by the National Environmental Services Center (NESC) found that homeowners who installed septic tank risers reported a 60% reduction in maintenance costs over a five-year period. The study also found that these homeowners were more likely to schedule regular septic tank inspections due to the ease of access provided by the risers, leading to better overall system health and longevity.


Septic tank risers are a valuable addition to older septic systems, offering improved accessibility, cost and time efficiency, and enhanced safety. While the installation process requires some initial effort and investment, the long-term benefits make it a worthwhile endeavor for any homeowner with an older septic system. As demonstrated by the NESC study, the installation of septic tank risers can lead to significant savings and improved system maintenance, underscoring their importance in modern septic system management.


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