Water & Wastewater Solutions

From replacement components and efficiency upgrades to complete turnkey design and installation, Koester has the expertise in water and wastewater treatment to protect your business, reduce operating costs, increase efficiency, support long-term business strategies, and develop sustainable service models.


Koester leverages advanced technologies from leading manufacturers to supply the best in water and wastewater equipment and systems.

  • Actuators
  • Blowers
  • Clarification
  • Dewatering
  • Grit Removal
  • Instrumentation
  • Pump stations
  • Sedimentation… And much more

Engineering/Technical Support

Koester provides project planning and design support services, working collaboratively with owners, engineers, and contractors to ensure consistency through planning, construction and system start-ups.The Koester team is fully certified and licensed to install, start-up, maintain, and repair a wide range of equipment in conformance with industry and manufacturers’ standards.


Koester offers proven solutions and clear approaches to each project

  • Headworks
  • Sedimentation and flocculation
  • Secondary and tertiary treatment
  • Disinfection
  • Chemical storage and feed
  • Instrumentation
  • Pumping
  • Solids handling

Koester Manufacturers