Nephi City - Miller Canyon Debris is a flood risk reduction structure located in Juab, Utah. Constructed in 1963 by the USDA NRCS, this earth dam stands at a structural height of 36 feet with a hydraulic height of 25 feet. It serves the primary purpose of flood risk reduction along the Miller Canyon River, providing a storage capacity of 90 acre-feet to mitigate potential hazards. The dam has a significant hazard potential and is regulated by the Utah Division of Water Rights, with state permitting, inspection, and enforcement in place to ensure its safety and functionality.

Situated within the Sacramento District, Nephi City - Miller Canyon Debris is owned and operated by the local government of Nephi. The dam spans 1350 feet in length and has a drainage area of 1 square mile. While its condition assessment is currently not rated, the structure undergoes regular inspections every 3 years to assess its integrity and performance. With a maximum discharge capacity of 133 cubic feet per second, this dam plays a critical role in managing and controlling water flow in the region, safeguarding communities and infrastructure from potential flooding events.

As a vital component of the local water resource infrastructure, Nephi City - Miller Canyon Debris exemplifies the collaboration between federal and state agencies in ensuring the safety and effectiveness of flood risk reduction measures. With its strategic location and design, this earth dam serves as a key line of defense against potential flooding in the Miller Canyon area, highlighting the importance of proactive measures in mitigating climate-related risks and protecting water resources for future generations.