Welcome to HWA GeoSciences Inc.

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 storm water facilities.

Since 1978, HWA's engineers, geologists, environmental scientists, construction inspectors, and laboratory technicians have been helping to create a better, safer, more sustainable built environment in the Pacific Northwest and abroad. In additional to our engineering and science services, we operate a state-of-the-art materials testing laboratory, accredited by the American Association for Laboratory Accreditation (A2LA), the American Association of State Highway and Transportation Officials (AASHTO) R18 and the U.S. Army Corps of Engineers.

Project of the Year

The Gig Harbor Donkey Creek and Austin Estuary Restoration Project was awarded the Environmental Project of the Year, Less than $5 Million, by the American Public Works Association (APWA) Washington Chapter.

Donkey Creek and Austin Estuary Restoration Project