FirstLight Power Resources has announced the drawdown schedule for the Housatonic system.
It will be a shallow drawdown this year, meaning the water level is lowered several feet from its normal operating level.
All homeowners are urged to remove structures, boatlifts and docks from the three lakes to prevent ice or flood damage from occurring during the winter months.
FirstLight will use the drawdowns to do maintenance work and inspections.
Lake Zoar will be the first to lower, starting Oct. 23 at the Stevenson Dam. The normal operating level is 103 to 100 feet and it will go down to 98.5 feet.
The drawdown will lower lake levels to minimum pond levels and return to normal on Nov. 1.
Lake Lillinonah follows with the drawdown beginning Nov. 2 at the Shepaug Dam.
The normal operating levels are 200 feet to 195.5 feet and the drawdown will go to 191 feet. It will return to normal on Nov. 11.
Candlewood Lake’s drawdown begins Dec. 1 at the Rocky River pumping station and will run through the opening of fishing season in April.
The normal operating levels are 429.5 feet to 427 feet and the drawdown will target an elevation of 424 feet.
Candlewood’s drawdown is also done to expose the invasive Eurasian watermilfoil to freezing temperatures, which helps kill it and cut back on the amount that is present during the following summer.
The levels will vary throughout the winter as part of that, but exact dates and levels are unavailable due to unknown weather patterns, according to a news release from FirstLight.