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Green Community

Infiltration/inflow groundwaterThis is a sample of Infiltration/Inflow. Infiltration is groundwater that enters the sanitary sewer system. This was found during a study that was performed by Fay, Spofford & Thorndike. The clear water that is seen is groundwater that is entering the manhole around the pipe.

Inside manholeThis is one process that was used to prevent groundwater from entering manholes. The manhole was pressure washed and then grout was applied to the leaking joints.

Inside manhole with epoxy coatingThis process which is an epoxy coating, was used due to the degradation of the concrete from hydrogen sulfide that is formed by the wastewater in the sewer system.

Town of Auburn, 104 Central Street, Auburn, MA 01501
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