Sage Dam, located in Jasper County, Iowa, is a private earth dam completed in 1970 for fire protection, stock, and small fish pond purposes. The dam stands at a height of 28 feet and spans 335 feet in length, with a storage capacity of 178 acre-feet. Situated on TR-Sugar Creek, the dam is regulated by the Iowa Department of Natural Resources and undergoes regular inspections and enforcement to ensure its structural integrity and safety.

With a low hazard potential and a moderate risk assessment rating, Sage Dam presents a manageable risk level for the local community. Although the dam's condition is currently not rated, its emergency action plan status and risk management measures are under evaluation. The dam's primary designer is the USDA NRCS, working in conjunction with state agencies to oversee its operations and maintenance.

As a vital component of the local water resource infrastructure, Sage Dam serves as a critical asset for water supply, wildlife habitat, and flood control in the region. Its strategic location in Colfax, Iowa, highlights its importance in providing essential services to surrounding areas while maintaining a balance between water resource management and environmental conservation efforts.