5 steps to a septic installation project

Aug 29, 2023Septic Systems0 comments

Are you considering a septic installation project?

In just five simple steps, you can have a brand new septic system up and running. First, you’ll need to evaluate the site and obtain the necessary permits. Next, it’s time to design and plan the layout of your septic system. Once you have everything mapped out, it’s time to roll up your sleeves and start with the excavation and preparation. Finally, you’ll install the septic system components and wrap up the project with a thorough inspection.

Let’s get started!

    image of 5 steps to a septic installation project

    Site Evaluation and Permitting

    Before you can begin the septic installation project, you’ll need to evaluate the site and obtain the necessary permits. Evaluating the site is crucial because it helps determine the feasibility of installing a septic system in that specific location. You’ll need to consider factors such as soil conditions, topography, and the proximity to water sources. A professional contractor can help you assess the site and determine the best placement for your septic system.

    Once the site evaluation is complete, you’ll need to obtain the necessary permits. These permits are required by local authorities to ensure that the installation meets all the necessary regulations and guidelines. The process may involve submitting plans, environmental impact assessments, and paying the required fees.

    To obtain the permits, you’ll need to gather the required documentation, including site plans, septic system designs, and any other relevant information. It’s important to carefully follow the local regulations and guidelines throughout this process to avoid any delays or complications.

    In some cases, you may also need to obtain additional permits, such as building permits, if any construction or excavation work is involved in the installation process. It’s essential to check with your local authorities to determine the specific permits required for your septic installation project.

    Design and Planning

    During the design and planning phase, you’ll need to consider the location and size of the septic system.

    Choosing the right location is crucial to ensure proper functioning and avoid any potential issues in the future. The septic system should be installed away from water sources, such as wells or bodies of water, to prevent contamination.

    It’s also important to take into account the soil type and slope of the land, as these factors can affect the system’s efficiency.

    Additionally, you’ll need to determine the appropriate size of the septic system based on the number of bedrooms in your home and the daily water usage. A professional septic designer can help you calculate the size needed and ensure compliance with local regulations.

    Proper planning is essential to ensure a well-designed and efficient septic system that meets your needs. By considering the location and size during this phase, you can avoid potential problems and ensure the longevity of your septic system.

    Excavation and Preparation

    Excavating and preparing the site involves clearing the land and leveling the area for proper installation. Before you can start the installation of a septic system, it is important to ensure that the site is properly excavated and prepared. This step is crucial as it sets the foundation for the rest of the project.

    Firstly, you need to clear the land of any obstructions such as rocks, debris, or vegetation. This ensures that the installation process goes smoothly without any hindrances. Once the land is cleared, the next step is to level the area. This is done to create a flat surface where the septic system will be installed.

    To level the area, you may need to use heavy machinery such as a bulldozer or an excavator. These machines will help in removing excess soil and creating a level surface. It is important to pay attention to the slope of the land during this process. The slope should be carefully adjusted to ensure proper drainage and prevent any potential issues in the future.

    Once the land is cleared and leveled, you are ready for the next step in the septic installation project. Proper excavation and preparation of the site are essential for a successful and efficient installation process. So, make sure to take the time and effort to complete this step accurately.

     Installation of Septic System Components

    Once the land is cleared and leveled, it’s time to start installing the components of the septic system. You will begin by placing the septic tank into the excavated hole. Make sure it is level and properly aligned with the sewer line. Next, connect the inlet and outlet pipes to the tank. Use PVC pipes and secure them tightly with couplings to prevent any leaks.

    After the tank is in place, you will move on to installing the drain field pipes. These pipes are responsible for distributing the wastewater into the soil. Lay the pipes in a specific pattern, usually in parallel lines or a grid formation, depending on the size of your property. Make sure to follow the guidelines provided by your local health department to ensure proper spacing and depth.

    Once the drain field pipes are installed, cover them with a layer of gravel or a synthetic material called geotextile fabric. This layer helps to prevent soil from clogging the pipes and allows for proper water filtration. Finally, backfill the excavated area with soil, making sure to compact it gently to avoid any damage to the pipes or tank.

    Inspection and Finalizing the Project

    After the drain field pipes have been installed and covered, the next step is to inspect the septic system and finalize the project.

    Now that all the components are in place, it is important to ensure that everything is working properly and according to code. Begin by checking the alignment and connection of the pipes and tanks. Make sure there are no leaks or cracks that could lead to future problems.

    Test the system by running water through the drains and flushing toilets. This will help verify that the wastewater is flowing correctly and that the tanks are functioning as they should.

    Inspect the distribution box and make sure it is level, allowing for equal distribution of effluent to the drain field. Additionally, check the vent pipes to ensure they are properly installed and free from obstructions.

    Once the inspection is complete and everything is in proper working order, the final step is to backfill the trenches and restore the landscaping. This involves replacing soil and any vegetation that was removed during the installation process.

    Take this opportunity to clean up the construction debris and leave the property neat and tidy. With the inspection done and the project finalized, you can now enjoy the benefits of a properly functioning septic system.


    In conclusion, you’ve learned the 5 essential steps to successfully complete a septic installation project.

    First, conducting a thorough site evaluation and obtaining the necessary permits ensures compliance with regulations.

    Next, the design and planning stage allows you to create an efficient and functional system.

    Then, excavation and preparation set the groundwork for a smooth installation process.

    Finally, by carefully installing the septic system components and conducting a final inspection, you can confidently finalize your project.

    Remember to follow these steps for a successful septic installation.

    Coal Creek Excavating

    Excavating & Septic System Service You can Trust