Project Description

Paula Johnson is a Washington State licensed Onsite Wastewater Treatment System Designer, at your service…here to make your septic design process go as smoothly and efficiently as possible.

We design all types of systems at very competitive rates. Based on your lot layout, soil type and soil depth, we will design the best and most cost-effective solution for your specific situation. We can help you navigate the process of developing your property, of which septic systems design is a vital component.

We service the entire Mason County area – Shelton, Union, Belfair, Hoodsport, Tahuya, Grapeview, Matlock, etc. Arrow Septic Designs (previously named Arrow Excavating) has been serving Mason County since 1980.