Stormwater runoff mitigation work resumes on Knob Hill Road

(Record file photo) Catch basins will redirect stormwater runoff that dumps sediment and pollutants into Lake Mansfield.

GREAT BARRINGTON — Construction resumed this week on Knob Hill Road, where contractors are installing catch basins which will redirect stormwater runoff that dumps sediment and pollutants into the adjacent Lake Mansfield.

The $470,000 project is funded in part by a $288,925 grant from the Environmental Protection Agency through the Massachusetts Department of Environmental Protection, and is slated for completion within a month.

Town Planner Chris Rembold said most pollution of bodies of water come from nonpoint source pollution like stormwater runoff from roads.

“That was the case here where Knob Hill meets Mansfield Road,” Rembold said. “When that happens, it carries with it pollutants from asphalt, from people’s lawns, salt from the roadway and other things including sediment into the lake, and none of these pollutants are good for the water quality.”

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