Otwell Mawby, P.C. (Otwell Mawby)is a locally owned, owner-operated engineering consulting firm based in downtown Traverse City serving the environmental engineering needs of our clients since 1988. Our staff includes 10 full and part-time employees. Over the past 30 years, we have served thousands of clients with expert environmental services and advice, and gained unique and extensive knowledge of the people, the places, the geology, and the environment of northern Michigan.Β Experience and expertise is the foundation of excellent service. Otwell Mawby staff has over 50 years of experience with environmental services. Environmental solutions are not often straightforward and require professional judgment. Otwell Mawby staff have experience and expertise to manage delicate environmental issues and evaluate the solutions clients need to make informed decisions. Our core services are environmental due diligence activities, including Phase I and II Environmental Site Assessments (ESAs), Baseline Environmental Assessments (BEAs), due care planning, Response Activity Plans, Documentation of Due Care Compliance, National Environmental Protection Act (NEPA) Environmental Assessments, b