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  • Terry Gronwall

Monday June 3rd 2024-Honeoye Lake Water Quality Update

Muller Field Station Honeoye Inlet European Frogbit Pulls. Town of Richmond update on plans for Mill Creek & Outlet Creek.


Surface Water Temperature: ~70.3 F

Water Clarity: ~13.2 Feet

Lake Level: 803.2 Feet above sea level 

Observations: Monday (6/3/24), Water clarity decreased ~1.6 feet to ~13.2 feet from Tuesday May 28th.  This decline in water clarity was mostly due to the heavy overcast sky late this morning.  The surface water temperature increased ~0.5 F to ~70.3 F from Tuesday May 28th.  Water clarity was about 1.3 feet higher than the first week of June 2023.  Surface water temperature was ~1.1 F cooler than the first week of June 2023. We did not visually see any signs of an algae bloom today. However, we did not check the whole lake due to weather. It was a very calm cloudy spring day to be out on Honeoye Lake!


We learned from another lake resident today that there has been a fish die off occurring at various near shore locations on Honeoye Lake for the last couple of weeks.  This panfish fish kill is very pronounced along the north shore of the lake.  See picture on left.  We have reported the fish Kill to NYS DEC Region 8 Fisheries Department.  If you see a recent fish kill, please report your siting to NYS DEC Region 8 Fisheries Department at 585-226-5343.


Curly Leaf Pond weed, an early season aquatic plant, has been growing to the lake surface in our clear water for the last month.  Its leaf’s look like Lasagna.  Large beds of Curly Leaf Pond Weed are already starting to die off naturally.  Usually, Curly Leaf Pond Weed does not die off naturally until late June. 

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:


Muller Field Station Honeoye Inlet European Frogbit Pulls Summer 2024

An emergent population of European frogbit (Hydrocharis morsus-ranae), an undesirable invasive species, was first detected in the Honeoye Inlet last summer.  In hopes of curtailing this population from further spread, Muller Field Station is hosting three community pulls/monitoring surveys this summer in partnership with Finger Lakes Partnership for Regional Invasive Species Management (PRISM) and New York State Department of Environmental Conservation (DEC). Canoes, paddles, and life jackets provided. Plan to arrive 15 minutes prior to start time to account for parking, getting prepped for paddle, etc.  Come prepared with water, lunch, and proper attire to paddle- rain or shine. Events will be cancelled in event of thunderstorms.  Limited number of participants will be accepted for each event. A separate registration form is required for every participant.  Please RVSP no later than two days before scheduled event using the link below: 

Wednesday June 5th, 10-1pm

Friday Jun 21st, 10-1pm

Wednesday July 3rd, 10-1pm




The Town of Richmond has posted an update on their plans to address the Mill Creek and Outlet Creek issues on their town web site. You can read their update by clicking on the link below:


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


Click on the link below to see the Honeoye Lake Watershed Task Force 2024 Winter Newsletter:


DEC Big Panfish Initiative (BPI)

The Big Panfish Initiative (BPI) was developed to create destination fisheries for larger size panfish in select waters including Honeoye Lake. The BPI is an experimental program that is being conducted to determine the impacts of lower harvest and minimum size limits on sunfish population age and size structure in select lakes throughout New York and to evaluate the level of angler satisfaction with this management strategy. It also includes an assessment of crappie population age and growth characteristics in select waters to determine if those waters have the potential to yield larger fish under more conservative harvest regulations.

Review complete details in the Big Panfish Initiative Study Plan, 2021-2026 (PDF)

DEC BPI Study Updates can be found on the links below:


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:


- 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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