Wastewater

With decades of experience and practical knowledge, Gwin, Dobson & Foreman has long been an industry leader in innovative, cost-effective wastewater control solutions.

Planning

Highly trained, skilled in the most current technologies and well versed in regulatory standards, Gwin, Dobson & Foreman’s engineers and scientists apply expertise gained from years of planning and development experience.

GD&F’s facilities planning process results in affordable and fully functional projects. No matter the size or complexity of the project, our rigorous methods ensure that each client receives the best and most cost-effective solution.

Featured Projects

Treatment

Gwin, Dobson & Foreman combines comprehensive wastewater characterization and modeling techniques with practical experience in process treatment design. All systems are uniquely designed to meet the specific demands of the process and operational needs of the client.

GD&F has designed the full range of treatment process including suspended growth and fixed film systems. Our experience includes aeration and mixing systems, screenings and grit removal, clarification, disinfection, filtration, and process control systems.

Our work has been recognized by both peers and industry professionals. Among our award-winning projects is a nutrient removal plant upgrade, which was recognized with the Superior Achievement Award by the American Academy of Environmental Engineers and Scientists.

Featured Projects

Collection & Conveyance

Gwin, Dobson and Foreman’s conveyance expertise includes sewage lift stations, interceptor and outfall sewers, and combined sewer overflow control facilities. We have years of practical knowledge in pumping equipment, system applications and control technologies.

GD&F is a leader in the design of stormwater controls using structural and non-structural Best Management Practices specific to the application and setting.

Gwin, Dobson & Foreman uses the latest GIS/GPS mapping technology and design software to optimize sewer system design.

GD&F has extensive experience in all types of rehabilitation technologies, such as spray-on linings and cured-in-place systems. We use the most recent diagnostic and design tools to monitor flow and model cost-efficient solutions.

Featured Projects

Residual Solids

Gwin, Dobson & Foreman offers a full range of residual solids management services, with expertise in solids handling, concentration, stabilization, disposal and co-energy.

Our process engineers have specific design experience in anaerobic and aerobic digestion facilities, gravity/mechanical thickening and dewatering, sludge conditioning, thermal drying, land application, and co-digestion applications.

Featured Projects

Operations

Gwin, Dobson & Foreman is known for its practical and hands-on approach to system operations. We have the operations experience that today’s environment demands, and plant operators know that they can rely on our team (most are certified operators) for technical guidance and support.

GD&F’s services include process treatment optimization, pretreatment program development, O&M/SOP plans, GIS mapping, and asset management, among others.