Donohue is one of the Midwest’s most focused and experienced water engineering firms. Our team of dedicated engineers and specialists, each averaging more than 20 years of experience, partners with clients to address wastewater, drinking water, and stormwater challenges of every size and complexity. By delivering practical, sustainable, and cost-effective solutions, we provide reliable, high-performance, high-value strategies that support long-term success.

Headquartered in Wisconsin, Donohue provides specialized engineering solutions across the water cycle focused on sustainability, reliability, and long-term value. From simple upgrades to multi-phase programs, we help clients meet today’s needs and invest wisely for the future.

Areas of Expertise:
Engineering Services
Planning, Design, Construction Phase Services
Wastewater Collection and Treatment
Drinking Water Supply and Treatment
Energy Efficiency, Sustainability, Resource Recovery
Optimization and Troubleshooting
Plant Startup and Training
Water Reclamation
Combined Sewers
SCADA and Control Systems
Water Storage and Distribution
Water Modeling
Stormwater Infrastructure