Hot Springs No 3 is a privately owned dam located in Elmore, Idaho, serving the primary purpose of irrigation. Constructed in 1984, this earth dam stands at a height of 27.5 feet with a hydraulic height of 23.3 feet. Its reservoir has a storage capacity of 553 acre-feet and covers a surface area of 60 acres, drawing water from Bennett Creek and the Snake River.

With a spillway width of 85 feet and a maximum discharge of 250 cubic feet per second, the dam poses a significant hazard potential and has been classified as having a fair condition assessment as of July 2019. Despite being state-regulated and subject to inspections, the dam's risk assessment is considered moderate. As a key feature in the region's water resource management, Hot Springs No 3 plays a crucial role in supporting agricultural activities and maintaining water supply reliability in the area.

Enthusiasts of water resources and climate will find Hot Springs No 3 to be a fascinating structure to study, given its strategic location, design elements, and operational aspects. As part of the irrigation infrastructure in Idaho, this dam serves as a vital link in the local water supply chain and highlights the importance of proper regulation, maintenance, and risk management practices in ensuring the safety and sustainability of water resources in the region.