Notification of aquatic treatment, Webster Lake

Various coves and shoreline areas of Webster Lake (Reference MAP 1) will be chemically treated with USEPA/MA registered aquatic herbicides on Tuesday, June 12th to control nuisance and invasive aquatic vegetation. The entire lake will be closed for swimming and other water contact recreation on the day of treatment (June 12th) only.

In addition, the lake water cannot be used for drinking, irrigation (ie; watering lawns, gardens or plants of any kind) and consumption by livestock (ie ; refers to cattle, horses, etc., - note that pets/wildlife will not be harmed that may ingest the lake water) for a period of five days, commencing on the day of treatment.

Reference Map 1, above

Reference Map 2, below

In those five small areas of the lake (Reference MAP 2) where Sonar (fluridone) herbicide is also being applied, use of the lake water for irrigation is prohibited until August 12th. The Town Boat Ramp will be closed to launching of boats on the day of treatment and the Town Beach will also be closed.

A map of the lake showing the treated/restricted areas will be posted at both the town and state boat launches and it is also available on the Webster Lake Association’s web-site ( This e-mail address is being protected from spambots. You need JavaScript enabled to view it ). Printed signs, warning of these and any other water use restrictions will be posted around the lake shoreline in advance of treatment.

The work is being performed under a License to Apply Chemicals permit issued from MA DEP and an Order of Conditions from the Webster Conservation Commission. Aquatic Control Technology, Inc., of Sutton will be performing this work for the Webster Lake Association.