The town of Lee, Mass., is known as the gateway to the Berkshires, and for its New England charm. This progressive town of 5,200 is also home to an award-winning wastewater treatment plant.The new facility was long overdue. The original 1 mgd extended aeration activated sludge plant was 40 years old, and most equipment was approaching or exceeding its design life. “In 2005, the town received a consent decree from the state Department of Environmental Protection to upgrade or build a new plant to treat high flows, which sometimes reached 4.88 mgd from heavy rain and snow melt,” recalls Alan Zerbato,
