Lake Shelbyville – The U.S. Army Corps of Engineers at Lake Shelbyville would like to remind lake users of winter safety. Winter drawdown began on Wednesday, December 27, 2017. At that time, the lake level was 599.83 feet above sea level as referenced to the National Vertical Geodetic Datum (NVGD). As of January 10, 2018, the lake level is 596.86 NVGD and decreasing to the target winter pool level of 594.0.