Teapot Upper, located in Hammett, Idaho, is a privately owned dam that was completed in 1977 with a primary purpose of "Other." The dam, made of earth and stone, stands at a height of 28.1 feet and has a hydraulic height of 24.1 feet. It serves to regulate the flow of water from Hot Spring Creek and Bennett Creek, with a storage capacity of 424 acre-feet and a surface area of 50 acres. The dam has a significant hazard potential and is currently assessed as being in poor condition.

Despite its age, Teapot Upper continues to be actively regulated and inspected by the Idaho Department of Water Resources. It has a spillway width of 57 feet and a maximum discharge capacity of 40 cubic feet per second. The dam is situated in Elmore County, Idaho, and falls under the jurisdiction of the state regulatory agency. The risk assessment for Teapot Upper is moderate, with a Risk Character Summary rating of 3, indicating that there are potential risks associated with the dam that need to be managed effectively.