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  • Terry Gronwall

June 30, 2020 Honeoye Lake Update (Click Here)

Surface Water Temperature: 76.5 F

Water Clarity: 14.75 Feet

Lake Level: 803.1 Feet above sea level

Lake Level Relative to Weir: -0.4 Feet

Observations: Monday & Tuesday (6/29/20 & 6/30/20), There was a light Gloeotrichia (blue-green algae) bloom visible in the water column. We did not see any surface algae scum in near shore areas. Gloeotrichia is an early summer species of blue-green algae that gets its nutrients directly from the bottom sediments during the winter and spring. https://www.honeoyelakewatershed.org/habs

Water clarity has declined to 14.75 feet since last week. However, this is still almost 2X higher than we usually see in late-June (Water Clarity ~8 Feet).

We collected aquatic vegetation data earlier this week for use by our weed harvester team when they start this summer’s weed harvesting program next week (7/6). We found a significant increase in the amount of aquatic vegetation growing to the surface due to the increase in water clarity this summer. To see our aquatic vegetation maps for late-June 2020 versus late-June 2020 go to: https://www.honeoyelakewatershed.org/aquatic-vegetation-management

Always use your own visual assessment before making contact with the lake water at this time of year as the blue-green algae situation can change daily if not hourly. Please regularly check the DEC HABs alert map for more detailed updates on Honeoye Lake HABs alerts:

https://nysdec.maps.arcgis.com/apps/webappviewer/index.html?id=ae91142c812a4ab997ba739ed9723e6e

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Honeoye Lake Watershed Task Force Members:

Town of Richmond

Town of Canadice

Town of Bristol

Town of South Bristol

Town of Naples

Honeoye Valley Association