Septic Design Blog / Project Notes
Welcome to the American Septic Design blog. This page shares septic design project notes, repair and replacement insights, perc testing guidance, feasibility questions, and practical field lessons from work in Kitsap County, Pierce County, Mason County, and nearby areas.
If you are buying land, planning a new build, dealing with a failed septic system, or trying to understand whether a property can support an ADU or remodel, these posts are meant to give you straightforward answers and real-world examples.
For county-specific service information, start here: Kitsap County Septic Design or Pierce County Septic Design. You can also visit the services page for a broader overview.
This section will continue to feature recent designs, challenging sites, repair projects, design tips, and septic questions that come up often in real jobs.

Gig Harbor Septic Design
A repair septic design for a 4 bedroom home. Shallow soils and topography combine to create some challenges.

American Septic Design’s Roots
From Scoops to Septic: How American Septic Design Came to Be. Discover the story of Tom Purdum, a former small-batch ice cream entrepreneur who took a bold leap into the world of septic system design. This featured article delves into Tom’s unique transition from managing two ice cream stores and a truck to founding American Septic Design in 2022. Based in the scenic Puget Sound area, Tom’s journey is not just about changing careers, but

Repair Gravity Septic System Design in Port Orchard, WA
Gravity septic systems are the simplest, most desirable, cost effective to operate and least expensive (generally) to install of all the options available. In addition to that, it is the simplest to maintain.