Designer Info

Interested in being added to the Lewis County's list of Certified Designers/Engineer Firms?

The following criteria would need to be met:

• Application
• Copy of Washington State P.E. or Designers License

For more information on becoming a New Certified Septic Installer, Pumper, or Designer, please contact our office 360-740-1135 or visit us at 2025 NE Kresky Ave Chehalis, WA 98532.