September 21, 2012
A Tour of the Deer Island Treatment Plant
Today Friends of Fresh Pond Reservation members drove to Deer Island for a tour of the enormous sewer treatment plant that dominates the island. We gathered in a classroom for a description of the treatment processes, then walked through the extensive grounds and buildings, observing the equipment.
The upper photo is of some of the clarifying basins, where water is cleaned through aeration, by pouring over numerous small waterfalls.
The lower photo shows the enormous digester modules, where sludge is converted to sterile biosolids.