Lake Tank is a lake located in El Paso County, Texas. It appears on the Clint NE USGS 7.5-minute topographic quadrangle. The elevation at this location is approximately 4,052.99 feet (1,235.35 m) above sea level. The nearest populated place is Cattleman's North Ranchos Number 3 Colonia, approximately 4.2 miles to the SSW.