Horse Mesa Dam

The Horse Mesa Dam is a concrete thin arch dam located in the Superstition Mountains, northeast of Phoenix in Maricopa County, Arizona. The dam is 660 feet (200 m) long, 300 feet (91 m) high and was built between 1924–27. The dam includes three conventional hydroelectric generating units totaling 32 megawatts (MW) and a pumped-storage unit with a capacity of 97 MW. The dam and associated infrastructure were listed on the National Register of Historic Places in 2017.

Horse Mesa Dam

The Horse Mesa Dam is a concrete thin arch dam located in the Superstition Mountains, northeast of Phoenix in Maricopa County, Arizona. The dam is 660 feet (200 m) long, 300 feet (91 m) high and was built between 1924–27. The dam includes three conventional hydroelectric generating units totaling 32 megawatts (MW) and a pumped-storage unit with a capacity of 97 MW. The dam and associated infrastructure were listed on the National Register of Historic Places in 2017.