Sumner, also known as Alamagordo, is a Federal-owned structure located in Fort Sumner, New Mexico, along the Pecos River. Built in 1936 by designer O.L. Rice, this Earth dam stands at 164 feet tall and spans a length of 3,084 feet. With a primary purpose of flood risk reduction, Sumner also serves irrigation needs in the region.
Managed by the Bureau of Reclamation, Sumner has a storage capacity of 227,683 acre-feet, making it a crucial water resource for the area. The dam's spillway, with a controlled design and a width of 139 feet, can handle a maximum discharge of 206,000 cubic feet per second. While its hazard potential is rated as high, details on condition assessment are not available, highlighting the need for ongoing monitoring and maintenance.
Despite its age, Sumner continues to play a vital role in managing water resources and mitigating flood risks in the region. With a rich history dating back to the 1930s, this dam remains an essential piece of infrastructure for the community, showcasing the enduring importance of sustainable water management practices in the face of changing climate conditions.
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