Stillaguamish Tribe’s Natural Resources Department

The new Stillaguamish Tribe’s Natural Resources Department building has opened in Arlington, Washington.  Per the Seattle DJC, This 13,000 s.f. office and lab building was designed by Anacortes-based Brooks Middleton Architect and “… was built to honor traditional tribal structures and make efficient use of natural resources. ” 

Herrera Associate Engineer Chris Webb was Civil Engineer on the project prior to joining Herrera, and worked closely with the team on realizing a number of sustainable site features.   This was a complex site development project with steep slopes, wetlands, flood plain/ESA issues, and a restrictive layer near the surface overlain by granular soils as complexities. The approach included LID based site design, incorporating a number of sustainable features, including a bioretention cell in front of the building (seen in the image above).  Chris was also responsible for the on-site wastewater system which was implemented subsurface drip irrigation to preserve trees.


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