Dane Ridge Watershed Site C-4

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Dane Ridge Watershed Site C-4, located in Crawford County, Iowa, is a vital water resource managed by the local government for fire protection, stock, and small fish pond purposes. Constructed in 1971 by the USDA NRCS, this earth dam stands at a height of 44 feet and spans a length of 542 feet, providing a storage capacity of 130 acre-feet and serving a drainage area of 0.45 square miles. The dam is situated on the TR-Boyer River and is regulated by the Iowa Department of Natural Resources, with state permitting, inspection, and enforcement in place to ensure its safety and functionality.

Despite its low hazard potential and moderate risk assessment rating, Dane Ridge Watershed Site C-4 has not been rated for its condition and lacks updated emergency action plans. The dam features an uncontrolled spillway and has not been modified since its completion. While it currently meets guidelines for risk management, there is room for improvement in terms of emergency preparedness and maintenance. With its strategic location and importance for flood risk reduction and recreation, the watershed site serves as a key asset in the region's water resource management efforts, warranting continued monitoring and investment in its upkeep to ensure long-term sustainability and safety.