Saint Charles Reservoir, Reservoir in Pueblo County, Colorado, United States

Saint Charles Reservoir is the name of three reservoirs in Pueblo County, Colorado. The first lies in the mountains southwest of Beulah at 8,894 feet (2,711 m). Saint Charles Reservoir Number 2 and Number 3 sit next to each other at Stem Beach, just south of Pueblo, and impound Salt Creek.

Saint Charles Reservoir Number 2 and Number 3 stand beside each other at Stem Beach, just south of Pueblo, where they impound Salt Creek. Both were built in the early 1900s by the Colorado Fuel and Iron Company. The third reservoir, in the mountains southwest of Beulah at 8,894 feet, is a separate site; the sources give no construction date for it. All three are privately held.

All three reservoirs are privately owned and not open to the public without special permission. Swimming, fishing, and boating are not allowed unless you obtain authorization from the property owners.

The name covers three separate reservoirs in Pueblo County, not one. The mountain reservoir lies at 38°00′00″N 105°02′35″W, southwest of Beulah at 8,894 feet (2,711 m); the other two stand side by side at Stem Beach, just south of Pueblo, where they impound Salt Creek. All three are privately held and closed to the public.