Phone: (360) 825-1965

Cole Septic Design in Enumclaw

Cole Septic Design, Septic System Design

Cole Septic Design Crew

Cole Septic Design Crew


  • Preliminary Site and Soil Evaluations
    This includes a feasibility investigation of the property and soil log excavations to determine soil types and depths so we can give you the options for your project.

  • Septic System upgrades for building permits
    CSD will evaluate your current situation and derive a solution to obtain Health Department approval for additions, remodels and detached structures.

  • New & Repair Designs
    New designs involve vacant properties that will be assessed for feasibility of a new approved septic system per code. Repair Designs may be difficult. We will provide you with the most cost effective system to be approved by the local health jurisdiction.

  • Winter Water Table Reviews
    CSD will follow the winter or high water table review protocol to assess your property to evaluate if it is feasible for on-site sewage disposal per county code.

  • Subdivisions & Boundary Line Adjustments
    Processes required for Health Department approval are followed to achieve your goals for lot sizes and configurations.

  • Commercial Establishments
    Knowledge of waste strengths, flows and impact on public health allows us to design commercial systems in accordance with Health Department regulations.

  • Site Plans
    CSD is equipped with the technology to generate site plans with pin-point accuracy to accommodate your needs.

  • Excavating and Clearing
    CSD provides precision excavating and low impact clearing for sensitive sites.

  • Consulting
    CSD will advise you of your options for development (usually without cost to you) so your intentions may proceed.

  • State Certified
    CSD is licensed in Washington State.

  • Specializing in King & Pierce Counties
    Most of our projects are located in King and Pierce Counties although we will go to other counties in Washington.


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