Skip to main content

Fox River Stratton Operations Status Update

William G. Stratton-Thomas A. Bolger Lock and Dam

Algonquin Dam

IDNR 2024 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 2024 season on Wednesday, 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.  


Click the underlined hyper-link below to view full update

Fox River Update 06/27/2024

Update: *This Update is based on the current forecast and will be adjusted based on future forecasts and rainfall.


There is currently 0.75” of precipitation forecasted for the next 7 Days (Figure 4). Based on the current forecast, inflows will continue to drop over the next week (Figure 1). Fox Lake is forecasted to continue dropping but is expected to remain slightly above normal summer pool levels for the upcoming week, (Figure 2). The Lower River is expected to drop below “No Wake” and remain below for the duration of this forecast (Figure 3). The slightly elevated water levels should provide some additional depth to the system and allow for better boating conditions during Independence Day celebrations.