LAKE LILLINONAH TREATMENT NOTIFICATION
TREATMENT DATE: TUESDAY, SEPTEMBER 1ST, 2026
We have received the following message from The Pond & Lakes Connection and wanted to proactively notify our members:
The Pond and Lake Connection will be treating Lake Lillinonah on Tuesday, September 1, targeting the invasive hydrilla with the aquatic herbicide Tribune.
The treatment will be done throughout the lake where hydrilla has been identified by an aquatic biologist. The majority of the treatment will be north of poison ivy island to lovers leap, and the northern section of the shepaug river. There are isolated patches of hydrilla from New Milford all the way to the dam. They will be targeted on a spot-treatment basis. Please see map below for more details on location(s).
There are no labeled restrictions for swimming, fishing, boating or water contact. In the treatment areas, irrigation can commence on 9/6, livestock water on 9/2 and drinking for consumption on 9/4. Please reach out to The Pond and Lake Connection if you have any questions.
Funding for this hydrilla treatment is provided by the Grants for the Control of Aquatic Invasive Species Program administered by the Connecticut Department of Energy and Environmental Protection (DEEP)
ANNIVERSARY PARTY
Thank you to everyone who joined us to celebrate our 23rd Annual Anniversary Party!
With more than 130 attendees, this was the largest Anniversary Party in Friends of the Lake history, and we could not have asked for a better evening or a better group of people to celebrate with.
If you weren’t able to attend (we missed you and hope to see you in 2027!) or weren’t able to see the screen due to the amazing sunny weather we had, please check out our lake health presentation from the anniversary party below.
LOOKING AHEAD
Thank you so much to all of our members for making this season’s events a success! We hope you enjoy the rest of your summer on the lake, and when the days get cold, here are some things to look forward to starting in Spring 2027.
Save the Lake Day: Sunday, May 30th
Dine Around: Saturday, July 17th
Anniversary Party: Thursday, August 12th
2026 NEWSLETTER
We are delighted to share our annual Friends of the Lake newsletter!
Click here to read up on all the exciting things happening with the lake & our organization!
INVASIVE SPECIES: HYDRILLA
A new aquatic invasive species, hydrilla, has been found in Lake Lillinonah.
Click here to learn more about hydrilla and what you can do to help prevent its spread.
