Federal stimulus funds paid the bill and the people of Ogdensburg, N.Y., will reap the rewards from a $1.1 million upgrade to its wastewater treatment plant. “It’s not often you get the opportunity to have this kind of efficiency increase,” says Kit Smith, public works director. “Small gains usually mean a lot. These are big, big gains.”
A new style of high-efficiency turbo blower is at the heart of the project, which also includes fine-bubble diffusers and a biogas-to-energy system for heating the digesters. The turbo blowers and fine-bubble diffusers will result in a 25 percent savings on the plant’s annual





















