Located in Moscow, Idaho, the Hansen dam serves as a crucial water resource structure in the area. Built in 1976, this earth dam stands at 18 feet tall and spans 190 feet in length, providing a storage capacity of 3 acre-feet. Its primary purpose is labeled as "Other," indicating its versatile utility in managing water resources in the region. The dam is under state regulation and inspection by the Idaho Department of Water Resources, ensuring its safety and compliance with regulatory standards.

With a significant hazard potential, the Hansen dam is categorized as having a moderate risk level, indicating the importance of careful monitoring and maintenance. Despite this, the dam is assessed to be in satisfactory condition as of its last inspection in June 2017. It features an uncontrolled spillway type with a width of 6 feet, ready to handle any excess water flow. The surrounding area, including the Missouri Flat Creek, benefits from the dam's presence in managing water levels and mitigating flood risks.

Overall, Hansen dam stands as a reliable water management structure in Latah County, Idaho, playing a vital role in regulating water flow and ensuring the safety of nearby communities. With its history of service since the 1970s, the dam continues to uphold its purpose effectively, supported by state regulation and regular inspections. As climate change impacts water resources, structures like the Hansen dam become increasingly essential in maintaining water security and resilience in the face of evolving environmental challenges.