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Panguitch Dam crisis prompts emergency evacuation plans

October 11, 2024 | Utah Board Of Water Resources, Boards and Commissions, Organizations, Utah Executive Branch, Utah


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Panguitch Dam crisis prompts emergency evacuation plans
In a recent government meeting, officials discussed critical concerns regarding the Panguitch Lake Dam, which has shown signs of structural distress. The dam, originally constructed in the 1870s and reinforced in the 1940s and 1970s, is vital for water storage in the region. However, in early April, residents reported water flowing through the dam's rock masonry structure, prompting immediate emergency measures.

To alleviate pressure from ice buildup on the reservoir, officials implemented strategies to reduce water levels and bolster the dam's integrity. These included cutting notches into the dam to facilitate runoff and increasing water releases while avoiding downstream flooding. Despite these efforts, the Division of Water Rights has imposed a storage restriction, limiting water levels to 8,202 feet—approximately 66% of the reservoir's total capacity—due to ongoing cracking issues.

In light of the dam's deteriorating condition, engineering studies have recommended constructing a new dam downstream of the existing structure. The estimated cost for this project is $5 million, with a proposal for state water resources to cover 85% of the expenses, amounting to $4.25 million. The board is expected to authorize funding, which would be repaid over 30 years at a 1% interest rate.

Before any funding agreement is finalized, several regulatory requirements must be met, including obtaining necessary permits from the Forest Service and the Army Corps of Engineers. The proposed new dam will maintain the same elevation as the existing structure, contingent upon existing water rights and agreements.

This situation highlights the ongoing challenges faced by aging infrastructure and the importance of proactive measures to ensure the safety and reliability of water resources in the region.

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