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Fox River Stratton Operations Status Update
William G. Stratton-Thomas A. Bolger Lock and Dam
Algonquin Dam
IDNR 2025 Operating Schedule for Stratton Lock
MCHENRY, IL – The Illinois Department of Natural Resources (IDNR) operating schedule for the William G. Stratton-Thomas A. Bolger Lock and Dam facility on the Fox River in McHenry County, opens for the 2025 season on Thursday, May 1.
Normal operating hours will be seven days per week from 8:00 a.m. until midnight during the months of May through September, and 8:00 a.m. until 8:00 p.m. for the month of October.
The Stratton-Bolger facility is closed for the winter season each year from November 1 through April 30.
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Update: *This Update is based on the current forecast and will be adjusted based on future forecasts and rainfall.
SUMMARY
The first weekend of the Official Boating Season is here. There is currently just over 0.10” precipitation forecasted for the next 7 Days (Figure 4). Based on the current forecast, inflows will remain near 1000cfs for the weekend (Figure 1). Fox Lake and areas upstream of the dam are forecasted to remain near 4.00’ (Figure 2). The Lower River should expect to see good levels as well (Figure 3).