SNOFLO



GANT CREEK WATERSHED SITE C-4

RESERVOIR LEVELS
Soil Dam Tr-Big Sioux River
April 26, 2025


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Gant Creek Watershed Site C-4, located in Plymouth County, Iowa, is a vital resource managed by the local government for various purposes such as fire protection, stock, and small fish pond maintenance. This earth dam, constructed in 1974 by the USDA NRCS, stands at a height of 37 feet and spans over 680 feet in length, with a storage capacity of 84 acre-feet. Situated along the TR-Big Sioux River, this site plays a crucial role in flood risk reduction within the region.

Despite its low hazard potential, Gant Creek Watershed Site C-4 is subject to state regulation by the Iowa DNR, with required permitting, inspection, and enforcement measures in place. The dam's condition assessment is currently not rated, indicating a need for further evaluation and potential maintenance. With a moderate risk assessment score of 3, it is essential to implement effective risk management measures to ensure the safety and functionality of this important water resource infrastructure for the surrounding community.

As water resource and climate enthusiasts continue to monitor and engage with sites like Gant Creek Watershed Site C-4, collaboration with regulatory agencies and stakeholders is crucial in maintaining the integrity and resilience of such essential infrastructure. By staying informed about its condition, purpose, and associated risks, individuals can contribute to the sustainable management and protection of water resources in the region, promoting a more resilient and adaptive approach to climate challenges.

Year_Completed 1974
Dam_Height 37
River_Or_Stream TR-BIG SIOUX RIVER
Dam_Length 680
Primary_Dam_Type Earth
Surface_Area 4.6
Drainage_Area 0.5
Nid_Storage 84
Hazard_Potential Low
Foundations Soil
Nid_Height 37
       

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