Saint Charles Reservoir, in Pueblo County, Colorado
Saint Charles Reservoir is a water storage system in Pueblo County, Colorado, consisting of three separate bodies of water. The main reservoir sits high in the mountains southwest of Beulah at approximately 8,900 feet (2,700 m) elevation, while two additional reservoirs are located near Stem Beach south of Pueblo and were constructed by the Colorado Fuel and Iron Company in the early 1900s to hold back Salt Creek.
The two lower reservoirs were constructed in the early 1900s by the Colorado Fuel and Iron Company to supply water for industrial operations including metal processing. This development was central to the area's industrial growth and helped establish the water infrastructure that would serve the region for decades, though the mountain reservoir's origins trace back further into the area's early settlement period.
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 mountain reservoir sits at approximately 8,900 feet (2,700 m) elevation in a remote and isolated setting far from developed areas. What makes this water system noteworthy is how the three separate locations reflect different chapters of water management, from early mountain water collection to industrial-era infrastructure built to power the region's metalworking operations.
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