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Water Quality Update for August 21

This week’s cooler weather has given us some relief from reported blooms. So far, volunteers and watershed staff have performed 23 shoreline surveys, and no blooms have been reported. Good news!

In addition, secchi disk volunteers have been reporting a slight increase in the average clarity from last week, from 4.16 meters last week (week ending 8/16) to 4.64 meters as of today (8/21).

As we have learned, calm, sunny conditions can change things very quickly, so as we head into the weekend please continue to use your visual indicators to look for signs of a potential bloom – surface streaking, pea-soup like conditions, and green cloudy water.

If you have questions, please email:


Lindsay McMillan Association Director, Canandaigua Lake Watershed Association

Kevin Olvany Watershed Program Manager, Canandaigua Lake Watershed Council

More Information on Blue Green Algae

Click below for our Harmful Algae Bloom brochure.

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