From the outside, the new water treatment plant in Madbury, N.H., may look merely average. In reality, it includes many forward-thinking, energy-saving elements and was scheduled to become the first water treatment facility in the state to receive the Leadership in Energy and Environmental Design (LEED) silver certification in summer 2012.Although LEED requires a new building to achieve 10 percent energy savings over a baseline design, estimates indicate that the Madbury plant’s energy savings may exceed 24 percent — or $35,000 per year.Stepping forwardThe $20 million plant, managed by the City of Portsmouth and serving 37,000 people in five communities
