We design wastewater systems that protect public health and support reliable, efficient community infrastructure. From collection through treatment, we help deliver solutions that keep systems running safely and effectively.
Safe Water. Healthier Communities.
Our professionals provide comprehensive services for the evaluation, design, and construction administration of wastewater treatment plant improvements. With decades of experience, we have developed effective solutions for a variety of water management projects to deliver safe, clean water from collection, treatment, and distribution phases.
With you every step of the way
We walk our clients through every phase of their project, guiding them carefully through complex regulations while remaining cognizant of community and environmental impact. Our experts remain steadfast in their efforts to effectively manage wastewater and make the most of every drop.
Every wastewater treatment project gives our team the opportunity to build economic resiliency and enhance safety nationwide.
Our Specialized Services
Colliers Engineering & Design offers its clients a multitude of services, enabling us to efficiently prioritize their long-term project goals and needs.
Grants & Funding
We help clients navigate available funding opportunities to support critical wastewater infrastructure improvements. From identifying grant and loan programs to assisting with applications and compliance, our team works alongside you to secure the resources needed to move projects forward. Our approach helps reduce financial burden while keeping projects aligned with regulatory and community goals.


2026 NYC Solar + Storage Summit
We’re excited to be at the 2026 NYC Solar + Storage Summit on June 24! Connect with our team – we’re ready to talk about how we help solar and energy storage developers move from site selection to successful operations. Our team provides single-source engineering consulting for community and utility-grade solar energy and battery energy […]

Georgia Municipal Association 2026 Annual Convention
We’re excited to be in Savannah from June 26–30 for this year’s Georgia Municipal Association (GMA) Annual Convention! As GMA…

NYSTATE Conference 84
We’re heading to the NYS Association of Transportation Engineers (NYSTATE) Conference 84 from June 3-5 in Rochester, NY! Our experts…
Let’s talk about your next project!
Our multidisciplinary approach to design, combined with a deep understanding of the industry and passion for innovation, has positioned us as leaders consistently delivering outstanding results in shaping the built environment.





