Several eagle-eyed residents noticed some black boxes cropping up around town and wondered what they were. Guesses ranged from controls for new traffic lights to utility boxes. I asked DPW Superintendent Karen Galligan for the real story, and here’s what she said:
The black boxes are communication boxes for the water system. They are located at the pressure relief valves (PRVs) between the high and low water systems. As part of the water system improvement article in 2008 Town Meeting voted to replace and upgrade the PRVs, upgrade the water system telemetry controls to a Supervisory Control and Data Acquisition (SCADA) system, replace water main and rework the Water System master Plan. The black boxes are required to control the PRVs. The SCADA system will communicate with the PRVs through the boxes. The DPW will clean up the work areas and screen the boxes where possible. Any planting around the boxes probably won’t happen until the fall.
So now you know!