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  • Terry Gronwall

Sunday May 14th, 2023, Honeoye Lake Water Quality Update

Surface Water Temperature: ~62.6 F

Water Clarity: ~10.8 Feet

Lake Level: ~804.1 Feet above sea level

Lake Level Relative to Weir: +.6 Feet

Observations: Sunday (5/14/23), The water clarity was ~10.8 feet and the surface water temperature was ~62.6 F. We did not visually see any signs of an algae bloom today. Very typical water quality for mid-May

The HVA lake level device is now working again after being upgraded to use Verizon Wireless 4 G LTE to transmit lake level data to a cloud server. It previously used 3 G which Verizon Wireless dropped support for earlier this year. The lake level is still 7-9 inches high and dropping about 0.5-1.0 inches per day.

The HVA and HLWTF web site lake level links are now being updated several times a day:

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:


The lake level is currently about still 7-9 inches above normal. The Sheriff's Office "No Wake Order" is still in effect which recommends that boaters not go more than 5 MPH will minimize shoreline erosion until the lake level returns closer to normal.


Please click on this link for the Winter 2023 HLWTF Newsletter:


May FLCC Muller Field Station Events

Click on the link below to see the May Muller Field Station Newsletter:


New York Safe Boating Class Certificate will be required of all boaters on this schedule:

If born on or after: You will need boating safety certificate to operate motorized vessel in:

January 1, 1988 2022

January 1, 1983 2023

January 1, 1978 2024

All operators of motorized vessels, regardless of age, will need a boating safety certificate by January 1, 2025.

Click on the link below for more information and the schedule of local NYS Safe Boating classes:


Honeoye lake is included in the DEC's Big Panfish Study. Please click on the link below to read their Interim report:


DEC Announces Large Scale Pilot Study to Control Phosphorous Impacts in Honeoye Lake - Virtual Public Information Session was held on Sept. 27

The New York State Department of Environmental Conservation (DEC) held a virtual public information session on Tuesday, Sept. 27, from 6:30 p.m. to 8 p.m. to update residents on a research project to control phosphorous in Honeoye Lake.

Sept. 27th DEC Virtual Public Information Session presentation can be found on the link below:

The DEC Honeoye Lake Nutrient Inactivation Pilot Project Alum Treatment started on Tuesday November 1st and was completed on Friday November 18th. Now we are looking forward to seeing how much phosphorus reduction, algae reduction, and water clarity increase we get next summer as a result of the DEC’s Alum Treatment.

A few pictures that I took of the Alum Treatment Application barges are below:

Please visit the Honeoye DEC Project website for more information on the Honeoye Lake Nutrient Inactivation Project:



We will resume water quality reports in mid-May 2023.


- 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:


Click on the blue outlined box that says "Log in / Sign up" in the upper right-hand corner of this page to sign-up to be notified when we update our weekly Honeoye Lake water quality blog.


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