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On July 14, 2021, visual evidence provided by the MA Department of Conservation and Recreation (DCR) indicate the presence of a cyanobacteria (blue-green algae) bloom in all Lake Cochituate.
Signs will be posted at the Lake to warn individuals against contact with the water.
In all cases, avoid the following:
The MA Department of Public Health will conduct follow-up sampling at the waterbody when there is no longer visual evidence of a bloom.
For more information, please check the MA DPH website page on Harmful Algal Blooms in Freshwater Bodies at: www.mass.gov/info-details/harmful-algae-blooms-in-freshwater-bodies
You may also call the Bureau of Environmental Health Toxicology Program at (617) 624-5757 or the Natick Board of Health at (508) 647-6460 with any questions.