Bob Kohlhase Principal, Hydrologist
Bob is a Farnsworth Group Principal and leads Farnsworth Group’s Municipal and Environmental Services teams across the Illinois region, helping communities plan for growth and address a wide range of infrastructure needs. His work focuses on supporting communities as they navigate planning, water resources, and environmental challenges in a practical, forward‑thinking way. With 45 years of experience, Bob has worked closely with communities, industry, and individuals throughout Illinois on water resource and environmental projects. He stays actively engaged in monitoring environmental regulations that impact his clients and is known for helping them understand and respond to changing requirements with confidence and clarity.