Aeration System Improvements
Gurnee, Illinois


North Shore Water Reclamation District


Donohue and Associates




This specific project required deep knowledge and insight into the water filtration system and include removing and replacing seven aeration motors and piping blowers during the first stage. It also included reinstalling new air mixture systems to improve and meet EPA standards. The 2nd stage included a new nitrification system and replacing four existing sluice gates along with replacing existing aeration piping with a redesigned header system from below grade to above grade requirements. Additional work was done on the concrete foundation of the auxiliary basin to reinforce the structure.




Chicago • Scottsdale • Detroit

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