HWA's engineers, geologists, environmental scientists, construction inspectors, and laboratory technicians have been helping to build stronger, safer communities throughout the Pacific Northwest and abroad. In addition to our engineering and science services, we operate a state-of-the-art materials testing laboratory, accredited the American Association of State Highway and Transportation Officials (AASHTO) and the and the US Army Corps of Engineers (USACE).  

Located in Bothell, Washington, HWA GeoSciences Inc. provides a full range of geotechnical and geoscience solutions to public agencies and engineering / architecture firms, for design and construction of buildings, parks, solid waste, transportation, waterfront, water, wastewater, and stormwater facilities.