Wiregrass is a privately owned irrigation dam located in Bannock, Idaho, with a primary purpose of irrigation. Built in 1943, this earth dam stands at 17 feet tall and spans 330 feet in length, creating a storage capacity of 86 acre-feet. The dam is situated on Wiregrass Springs and Marsh Creek, serving the local agricultural community by providing water for irrigation purposes.
The dam is regulated by the Idaho Department of Water Resources, with state permitting, inspection, and enforcement protocols in place to ensure its safe operation. Despite being classified as having a low hazard potential, the condition assessment of Wiregrass dam is rated as fair. The last inspection in 2017 revealed this moderate risk dam to be in satisfactory condition, with a spillway width of 14 feet and a maximum discharge capacity of 49 cubic feet per second.
For water resource and climate enthusiasts in the area, Wiregrass represents a vital infrastructure supporting agricultural activities in Bannock County. Its relatively small storage capacity and low hazard potential make it an important but manageable structure in the local water management system. Continual monitoring and maintenance efforts are crucial to ensure the long-term reliability and safety of Wiregrass dam for the surrounding community.
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