SNOFLO



GOTHIER NO.2 SUBWATERSHED 14115

RESERVOIR LEVELS
Soil Dam Tr- Little Sioux River
April 2, 2025


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Gothier No.2 Subwatershed 14115 is a local government-owned dam located in Woodbury, Iowa, specifically in the city of OTO. Built in 1964 by the USDA NRCS, this earth dam serves multiple purposes including fire protection, stock, small fish pond, and flood risk reduction. With a height of 24 feet and a length of 325 feet, the dam has a storage capacity of 59 acre-feet and covers a surface area of 2.7 acres.

Situated in the Little Sioux River watershed, this dam is regulated by the Iowa DNR and undergoes regular inspections and enforcement to ensure its proper functioning. While it has a low hazard potential, the risk assessment categorizes it as moderate. Despite being uncontrolled, the spillway width is not specified, and there are no outlet gates associated with the dam. Overall, this structure plays a crucial role in managing water resources and mitigating flood risks in the region.

For water resource and climate enthusiasts, Gothier No.2 Subwatershed 14115 presents an intriguing case study of a locally owned dam that serves various purposes while facing moderate risk assessment. With its location in Woodbury, Iowa, and connection to the Little Sioux River, this earth dam contributes to the overall water management efforts in the area. As it continues to be monitored by the Iowa DNR and other regulatory agencies, this dam showcases the importance of proper infrastructure maintenance for sustainable water resource management in the region.

Year_Completed 1964
Dam_Height 24
River_Or_Stream TR- LITTLE SIOUX RIVER
Dam_Length 325
Primary_Dam_Type Earth
Surface_Area 2.7
Drainage_Area 0.48
Nid_Storage 59
Hazard_Potential Low
Foundations Soil
Nid_Height 24
       

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