Frosh (Nid) is a federally owned earth dam located in Edgemont, South Dakota, serving multiple purposes including fire protection, stock, and a small fish pond. Built in 1937 by the USDA Forest Service, this dam stands at a height of 15 feet with a hydraulic height of 20 feet, providing a storage capacity of 54 acre-feet. The primary source agency for Frosh (Nid) is the USDA FS, with the Forest Service also responsible for funding, designing, constructing, regulating, inspecting, and operating the dam.

Despite its low hazard potential, Frosh (Nid) has a moderate risk assessment rating of 3, indicating a level of risk management measures in place. The last inspection of the dam took place in July 2011, with an inspection frequency of 10 years. The dam has an uncontrolled spillway type and is associated with the Dry Draw river/stream. Although the condition assessment is currently listed as "Not Rated," the risk assessment suggests that further evaluation and potential improvement measures may be needed to ensure the continued safety and effectiveness of this water resource infrastructure for the surrounding community and environment.