NHDES Cyanobacteria Alert Lake Winnisquam

When: June 7, 2024
Where: Lake Winnisquam, Sanbornton Town Beach
Status: Alert

NH DES issued a cyanobacteria alert for Lake Winnisquam on June 7th. The bloom was reported at the Sanbornton Town Beach. The bloom has been confirmed but is heavily mixed with pollen so is mostly yellow with hints of green. Avoid recreating and keep pets out of any surface accumulation. If you observe more areas of distinct green report it to DES. For more information:
NHDES Healthy swimming mapper
Frequently asked questions (including an alert vs. a warning)
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