Business Details
29 Years
experience
Your Trusted Water Infrastructure Engineering Partner
Founded in 1997, Donohue & Associates is an employee-owned engineering firm specializing in water infrastructure solutions. Our team delivers technical expertise in wastewater, drinking water, and stormwater projects, serving clients across the Midwest and nationwide. With over 25 years of experience, we prioritize client-focused planning, design, and construction services. Our commitment to technical excellence and sustainability has earned us a 95% client retention rate. We work with municipalities, counties, and industrial clients, including food processing companies. Our engineers have completed over 3,500 projects, designing $2.5B+ in wet infrastructure.We emphasize innovation, accountability, and professional development, supporting internships and continuous learning. Our work has received numerous awards, including the ACEC Illinois Special Achievement Award. We maintain a culture of teamwork, avoiding bureaucratic processes while upholding high ethical standards. Our mission is to provide sustainable, practical solutions to complex water challenges, ensuring long-term community impact.
Services
Wastewater Treatment
Drinking Water Systems
Stormwater Management
PFAS Solutions
Design/Build Projects
Construction Phase Services
Facility Startup
Funding Assistance
Process Modeling
Green Infrastructure
Details
- Year established: 1997
Highlights and features
- We are an employee-owned firm with 25+ years of water infrastructure expertise.
- Our team has designed $2.5B+ in wet infrastructure projects nationwide.
- We maintain a 95% client retention rate through tailored solutions.
- Our engineers specialize in PFAS treatment and innovative filtration technologies.
- We prioritize sustainability and green infrastructure in every project.
Services
Wastewater Treatment
Donohue provides comprehensive wastewater treatment solutions, from preliminary engineering to facility startup. Our expertise includes system modeling, energy efficiency evaluations, and automation design. We handle projects ranging from small facilities to systems processing over 1.2 billion gallons daily, ensuring compliance and operational efficiency for municipal and industrial clients.
Drinking Water Systems
Our team designs sustainable drinking water infrastructure, including treatment plants and distribution networks. We address aging facilities, regulatory compliance, and PFAS mitigation while prioritizing cost-effectiveness. Services include hydraulic modeling, SCADA integration, and corrosion control to ensure safe, reliable water delivery for communities of all sizes.
Stormwater Management
Donohue offers innovative stormwater solutions to manage quantity and quality challenges. We specialize in floodplain analysis, green infrastructure, and BMP implementation. Our services include watershed modeling, system rehabilitation, and compliance permitting to protect urban infrastructure from extreme weather events and everyday rainfall impacts.
PFAS Solutions
We develop targeted PFAS treatment strategies for water utilities, combining short- and long-term approaches. Our engineers evaluate existing systems and implement advanced filtration technologies. This service ensures compliance with evolving regulations while maintaining cost-effective operations for municipal and industrial clients facing emerging contaminant challenges.
Design/Build Projects
Donohue delivers integrated design/build solutions for water infrastructure, combining planning, engineering, and construction oversight. This approach streamlines project timelines and budgets while maintaining technical excellence. We manage complex projects from concept through completion, ensuring alignment with client goals and regulatory requirements.
People
Wendy Raisbeck
Wastewater Engineer
Wendy specializes in solving complex wastewater design challenges, bringing technical precision to municipal projects. Her work focuses on optimizing treatment processes and system efficiency for communities across the Midwest.
David Porter
Control Systems Specialist
David leads automation and control system design for water infrastructure projects. He implements cutting-edge technologies to improve operational efficiency and reliability in treatment facilities nationwide.
Kelly Boden
Water/Wastewater Engineer
Kelly focuses on sustainable water treatment solutions, combining technical expertise with environmental stewardship. Her work addresses regulatory compliance and long-term water quality improvements for municipal clients.
Trent Montemayor
Principal Engineer
Trent directs major wastewater projects, applying his 20+ years of experience in facility design and optimization. He received the 2025 WEF James R. Rumsey Award for outstanding contributions to water engineering.
Becca Coyle
Project Manager
Becca oversees stormwater and wastewater initiatives, combining technical leadership with client-focused project delivery. She received the 2025 WEF William D. Hatfield Award for excellence in water quality management.
Questions
What water infrastructure services do you offer?
We provide comprehensive wastewater, drinking water, and stormwater solutions including planning, design, construction management, PFAS treatment, and system optimization for municipal and industrial clients.
Which geographic areas do you serve?
While headquartered in Wisconsin, we serve clients nationwide with a strong Midwest presence, operating from multiple regional offices across six states.
How do you address PFAS contamination?
Our engineers develop customized PFAS solutions combining advanced filtration technologies and regulatory compliance strategies, tailored to each client's specific water quality challenges.
What makes your firm different from competitors?
As an employee-owned firm, we combine technical depth with personalized service, maintaining a 95% client retention rate through innovative solutions and 25+ years of water sector specialization.
Do you handle both small and large projects?
Yes, we manage projects of all scales, from small rural systems to $32M+ municipal expansions, adapting our approach to each client's budget and infrastructure needs.
How does your employee ownership model benefit clients?
Our employee-ownership structure fosters long-term accountability, attracting top engineering talent who take personal responsibility for project success and client satisfaction.