Providing sustainable and efficient solutions.

Earn Stakeholder Confidence

For seven decades, CDG has helped our clients achieve consistently successful results on the projects their communities entrust to them. We design sustainable, efficient and cost-effective solutions that last.

You Have a Voice at Every Step

In every step of the process, from consent order assistance to system planning and design, through maintenance and rehabilitation of aging infrastructure, the needs and concerns of our clients and the communities involved are paramount in all we do.

Experts in Technology and Regulation

Our team’s extensive knowledge of wastewater systems is strengthened further by an in-depth understanding of the emerging and time-tested system treatment technologies, operational issues and regulatory matters affecting these systems.


Each project begins with a simple conversation. To get your project started, tell us about your vision.


System master planning
Infrastructure mapping
Hydraulic modeling
Regulatory compliance
Wastewater treatment
Wastewater collection systems
Industrial pretreatment
Wastewater lift stations and force mains
Wastewater capacity and flow studies
CMOM planning, assistance and compliance
Biosolids management

Connect with us today. Talk to an expert at [email protected] or 334-222-9431