On January 16, 2005, the
Wills Creek Dam became the only dam in the
Army Corps of Engineers Huntington District's history (established 1938) to reach its spillway elevation and have water flow uncontrolled over the top of the spillway. On that day Wills Creek Lake was above its normal level of (above sea level), and spanned , causing it to be the largest man-made lake in the state of Ohio. This extreme event was caused by an average of of rain falling over Central Indiana and Ohio during January 4–14, 2005. This rain combined with snow melt and saturated ground to produce record breaking runoff. Other reservoirs in the Huntington District also set pool level records, including
Alum Creek,
Deer Creek,
Delaware Lake,
Paint Creek,
Atwood Lake,
Bolivar Dam,
Charles Mill Lake,
Dillon Lake,
Dover Dam and
Mohawk Dam. ==See also==