DuBay Water Levels

The height of the water on DuBay is regulated by the FERC license and is measured in feet above sea level. The chart below shows the variation in the level of the water on Lake DuBay. The heavy black line at the top in the grid represents the highest the water level can be during the corresponding dates. The dotted line between the top- & bottom-heavy lines indicates the preferred usual draw-down and refill of the flowage. The highest the water can be March 15 to June 15th is 1116.20, as measured at the dam. This allows for spring rains and run off. The highest the water can be June 16 to February 14, is 1115.20, or one foot lower than the spring runoff maximum. The lowest the water can be is 1109.20. This can only occur from February 1 to May 1. This low level is the draw down which allows for collection of spring runoff and snow melt and provides flood prevention. The lowest the water can be May 1 to January 31, is 1113.70. If you are building a dock, repairing shoreline or doing any work that requires knowing the current water level, call the dam monitoring staff at 715-422-3303 and ask for the DuBay water height.