(978) 448-1100

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173 Main St.
Groton, MA 01450

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Lost Lake/Knops Pond Herbicide Treatment

Lost Lake/Knops Pond will be closed due to the annual herbicide treatment Thursday June 11th.

This is the only planned herbicide treatment of 2020.

Notices will be posted around the lake.

Thursday’s treatment will target the following:

– Curly Leaf Pondweed and Milfoil (Diquat)

– Algae (Copper Sulfate)- As needed

Below are the temporary water use restrictions:

DRINKING AND COOKING 06/14/2020
BOATING, FISHING AND SWIMMING 06/12/2020
WATERING OF LIVESTOCK 06/13/2020
IRRIGATION 06/16/2020