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  • Terry Gronwall

Monday August 29, 2022 Honeoye Lake Water Quality

Surface Water Temperature: ~76.6 F

Water Clarity: ~4.0 Feet

Lake Level: 802.8 Feet above sea level

Lake Level Relative to Weir: -0.7 Feet


Observations: Monday (8/29/22), The water clarity has decreased ~1.0 feet to ~4.0 feet and the surface water temperature increased ~0.9 F to ~76.6 F over the last week. The lake’s temperature and dissolved oxygen remains well mixed. The lake looked good today with visible blue-green algae in the water column, but we did not observe any blue-green algae surface scum. (See picture on the left). However, last week we had several reports of blue-green algae blooms like picture we took off our dock on the left below last Thursday. Today there was no obvious bloom off of our dock. See picture on the right below:



Today we found blue-green algae species of Anabaena, Gloeotrichia, and Aphanizomenon


We are now in the peak period for the next 4 weeks for blue-green algae blooms.


The DEC recommends that you, your family, and pets avoid contact with water that contains blue-green algae like Aphanizomenon, Anabaena, and Gloeotrichia. Everyone should be very careful to watch for blue-green algae blooms for the next few weeks.

We will not be able to have updated temperature and dissolved oxygen graphs this week. Expect to have updated graphs again next week. The lake’s temperature and dissolved oxygen remains well mixed. If we continue to get 90 F weather the lake will probably stratify again. Surface water temperature was ~76.6 F and bottom water temperature was ~75.9 F. 1-meter equals 3.3 feet.

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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- Click on this link for the Winter 2022 HLWTF Newsletter:

e6fc30_f702480f8dff4c2bad8b93e0ddb21176.pdf (honeoyelakewatershed.org)




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- Click on this link to see the new HLWTF Honeoye Lake Watershed Storm Water Took Kit if you are planning any storm water projects on your property:

e6fc30_5299c36614ab4b3b995b53aeec724bfa.pdf (filesusr.com)


- Click on this link for "Honeoye Lake: 2021 State of the Lake article":

SCIENTIFIC RESEARCH | Honeoye Lake (honeoyelakewatershed.org)


Final Aeration Engineering Planning Project Report, Public Information Meeting Presentation, and WebEx recording posted on the HLWTF web site:

Aeration Engineering Grant | Honeoye Lake (honeoyelakewatershed.org)


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