Siler City Water Supply Lake Number Three is a reservoir located in Chatham County, North Carolina. It appears on the Crutchfield Crossroads USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 539.36 feet (164.40 m) above sea level. The nearest populated place is Crutchfield Crossroads, approximately 2.5 miles to the NE.