As hunting season ended last January, ducks and geese began making pit stops on their way south at the City of Quincy (Ill.) Water Pollution Control Facility. “They feel safe,” says pretreatment coordinator Dan Ebbing, an employee of American Water Enterprises, which operates the 15 mgd (average) activated sludge plant.
A cold climate doesn’t leave much open water, but ducks and geese found some at the plant. “We sit on the Mississippi River, so we’re right in the fly zone,” says Ebbing. “We have a large pond on the property that attracts them. When that’s frozen over they land in the

































