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Stratton Operations Update 

Operational Updates

Fox River Status Update

April 14, 2014

Current Conditions

Inflows  to the Chain of Lakes are 1550 cfs  based on  the stream gages at Fox River near New Munster, Wisconsin and Nippersink Creek near Spring Grove and are rising.  The Chain of Lake stage is 3.9 feet at Fox Lake following the 1 ½” of rain on Saturday and Sunday.    Outflows from Stratton Dam are 1500 cfs with a tailwater stage of 2.2 feet.  Flows at Algonquin Dam are 1780 cfs with a tailwater stage of 7.2 feet.    The pool at Algonquin Dam is at stage of 1.5’ which is below the optimum summer pool of 1.8 feet.

The National Weather Service is predicting the Fox River near New Munster, Wisconsin will crest on April 15 with flows near 2200 cfs.

The Chain of Lakes could rise to at a stage of 4.8 feet on April 18.  Outflows from Stratton Dam could rise to 2200 cfs with a Stratton Dam Tailwater stage of 3.8 feet.   These estimates do not include any additional rainfall.  No flooding of structures on the Fox River or Chain of Lakes is anticipated.   


The sluice gates at Stratton Dam are partially opened.   The hinged crest gate at Algonquin Dams is 2’ below the spillway crest.   The sluice gates at Stratton Dam were opened Sunday morning to balance inflow and outflows from Saturday’s rainfall.  




Rita M. Lee, P.E., CFM

IDNR Office of Water Resources

1 Natural Resources Way

Springfield, IL 62702