Horseshoe
May 4, 2024
Horseshoe is a captivating rockfill dam located on the Verde River in Maricopa, Arizona, boasting a towering height of 202 feet and a storage capacity of 214,372 acre-feet. Built in 1945 for irrigation purposes, this Federal-owned structure is managed by the Bureau of Reclamation and plays a crucial role in water supply management in the region. With a spillway width of 342 feet and a maximum discharge capacity of 250,000 cubic feet per second, Horseshoe is equipped to handle high water levels and mitigate potential hazards.
The dam underwent significant modifications in 1996 to enhance its hydraulic, seismic, and structural integrity, ensuring its resilience to potential risks. Despite being classified as having a high hazard potential, Horseshoe has not had a recent condition assessment available. Its Emergency Action Plan was last revised in December 2020, indicating a proactive approach to emergency preparedness. With its very high risk assessment rating, Horseshoe serves as a critical infrastructure piece in the water resource management and climate resilience efforts in the area.
Overall, Horseshoe stands as a monumental structure on the Verde River, serving as a vital component of the region's irrigation and water supply system. With its impressive storage capacity and strategic location, this rockfill dam plays a crucial role in managing water resources and mitigating risks associated with potential hazards. As a Federal-owned and Bureau of Reclamation-managed facility, Horseshoe exemplifies the dedication to ensuring water security and infrastructure resilience in the face of changing climate conditions.
| Years_Modified | 1996 - Hydraulic, 1996 - Seismic, 1996 - Structural |
| Year_Completed | 1945 |
| Dam_Height | 202 |
| River_Or_Stream | VERDE RIVER |
| Dam_Length | 1994 |
| Primary_Dam_Type | Rockfill |
| Surface_Area | 3656 |
| Hydraulic_Height | 175 |
| Drainage_Area | 5618 |
| Nid_Storage | 214372 |
| Structural_Height | 202 |
| Hazard_Potential | High |
| Foundations | Rock |
| Nid_Height | 202 |
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