It’s not easy to hide a wastewater treatment plant in the middle of a city. Just ask Dave Peters, assistant director of Public Works for the city of Stuart, Florida.“The biggest compliment anyone can give us is to say ‘I didn’t know a wastewater treatment plant was behind that wall,’” says Peters.An 8-foot-high precast concrete decorative wall now surrounds the plant’s 3.5-acre site. Painted earthen gray and highlighted with beige borders, it includes 127 sections, each 20 feet long, joined at square columns painted beige and capped with decorative covers. The wall was part of a major upgrade project in
