Williamstown to will begin smoke testing of sewer lines Monday to reveal
if there could be water leaking into the town's sanitary sewer lines.
Beginning  Monday the town and its engineering consultant, DPC Engineering of Longmeadow, will conduct smoke testing as part of a survey on the sewer lines.
The process involves blowing non-toxic smoke into the sewer mains and watching to see if any escapes at the surface.
If it does, that means there is possible leakage in the system at that point, which allows infiltration of groundwater into the system.
The testing will take place between 7 a.m. and 4 p.m., and sewer service will not be interrupted. The tests will help keep the town's wastewater treatment system be more efficient.
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