Stay informed of lake level changes, water treatment schedule. You will be alerted via phone and can opt out at any time
by LLA Board on 10/05/21
Due to forecasted high river flows, beginning on October 25, 2021 FirstLight will begin the annual drawdown of Lake Lillinonah at the Shepaug Dam to conduct its maintenance and inspection activities. The normal summer operating range of the station is from 200’-195.5’ and the drawdown will target an elevation of 190’. The drawdown will lower lake levels to minimum pond levels and return to normal operating elevations on November 8, 2021. All homeowners are encouraged to remove structures, boatlifts, and docks from Lake Lillinonah to prevent ice or flood damage from occurring during the winter months.
Emergencies Call 911
Report Boating Accidents to CT DEEP
Lillinonah Lake Authority
The Lake Lillinonah Authority phone number is an unmonitored phone. Those in need of emergency services while on the lake should call either 911 or the CT DEEP.
If you need non-emergency help, call 911 and ask to be transferred to the Lake Authority at Brookfield Dispatch.
Zebra Mussels Found in Lake Lillinonah
Schedule of meetings, events and activities related to Lake Lillinonah.
For further information call 203-364-4002 or email
Interested in joining the Lake Lillinonah Authority
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Please check back regularly for potential openings supporting your town.