Dedicated to the Preservation and Protection of Lake Singletary and its Watershed.

Lake Singletary in Sutton/Millbury will be chemically treated with a USEPA/MA registered aquatic algaecide and herbicides to control non-native aquatic plants and nuisance algae and cyanobacteria on Tuesday, July 29, 2025. The entire lake will be closed to all water uses including swimming, fishing and boating on the day of treatment. Additionally, use of lake water will be restricted for livestock watering until July 31st, drinking/domestic uses until August 2nd and for irrigation until August 4th.
Please see the SOLitude Lake Management Water Quality Report summary for 2024 which details key measurements regarding lake health.

Unfortunately Mother Nature had other plans for this Earth Day – we were down on rain too, so much appreciated. We can all still help when it clears. Please take a moment to tidy your coast and road and follow the guidelines below. See you soon!


The annual Lake Singletary Earth Day Cleanup was unfortunately canceled due to safety concerns. Fortunately, you can always help in many ways:
