Horseshoe Dam is named for the horseshoe-shaped bend in the Verde River at the dam site. The dam was built between 1944-46 by the Phelps Dodge Corporation as part of a water exchange agreement. Phelps Dodge pumped water from the Black River and provided water to SRP from the Little Colorado River.
Spillway gates, funded by the city of Phoenix, were added in 1949 to establish water rights for city water users. The earthen dam is 144 feet tall and 1,500 feet long, including the spillway. It has no hydroelectric generating capabilities.
Horseshoe Dam forms Horseshoe Reservoir. Below are some reservoir statistics:
- Length: 5 miles
- Shoreline: 27 miles
- Capacity: 109,217 acre-feet
- Surface acreage when full: 2,722 acres
- Maximum depth: 77 feet