FAQs

Davis & Sons Septic and Excavation

Have a septic or excavation-related question? We have the answer. Check out these FAQs and give us a call today for more information!

  • How are grading and excavating different?

    When you reshape the ground surface to meet a desired contour, elevation, or slope, it’s called grading.  Excavation involves digging and removing earth to create space for foundations, trenches, or underground utilities.

  • Is professional assistance necessary for grading and excavating?

    Professional grading and excavation services are highly recommended. We would love to assist you!

  • How can environmental concerns be mitigated during grading and excavation?

    Grading and excavating services prioritize environmental considerations by adhering to regulations, implementing erosion control measures, and preserving natural habitats. We employ the best practices to minimize the impact on the surrounding environment.


    Per GlobeNewswire, the global excavation and demolition market was projected to grow from $463.01 billion in 2022 to $480.41 billion in 2023 at a compound annual growth rate (CAGR) of 3.8%. Contact us to see what makes us stand out from the rest of the market!


  • How long does septic system installation take?

    Installation is a process that takes time. An installation may take anywhere from 1 to 5 days, depending on factors like weather conditions, soil type, and the complexity of the system you’ve chosen.


    The overall timeline for installation could be extended due to preliminary tasks such as securing permits and conducting site assessments. Planning for some buffer time is a smart choice, as unexpected challenges like rocky soil or inclement weather can further the process.


  • What are the costs involved in septic system installation?

    This can vary significantly based on your location, the size and type of the system, and additional costs such as permits and soil testing. On average, you may spend anywhere from $10,000 to $25,000.

  • Can I install a septic system on my own?

    A DIY septic system installation might seem like a way to save money, but it’s risky. A poorly installed septic system can lead to issues like soil contamination and system failure.


    We recommend you hire professionals to ensure the installation meets all local codes and environmental guidelines. We’ll help you navigate permitting, site preparation, and maintenance, providing peace of mind and long-term reliability for your investment.


  • What permits do I need for septic system installation?

    • Building permits
    • Health department permits
    • Land-use or zoning permits, among others

  • How do I choose the right septic tank size?

    It depends on the size of your household and your daily water usage. Choosing the right tank size is important for your septic system’s long-term efficiency and effectiveness. We offer tailored assessments that match your needs and local regulations.

  • How does soil type affect septic system installation?

    Soil type plays an important role in the effectiveness and longevity of your septic system. Sandy or loamy soils are preferable because they allow for more efficient drainage, promoting better wastewater treatment.


    Clay soils can present challenges due to their poor drainage capabilities, often needing more advanced or specialized septic systems. Consult a professional for a soil test to determine the most appropriate system for your property’s specific soil conditions.


  • What is the lifespan of a properly installed septic system?

    A well-installed and properly maintained septic system can serve your property for 20 to 40 years. Longevity can vary based on factors such as the type of system installed, frequency of use, and quality of ongoing maintenance.

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