Montana has a long and rich history of utilization of its geothermal resources. Today, the documented direct uses of geothermal waters are related to tourism and recreation, spas and resorts, space heating, and greenhouse heating. The Montana Department of Environmental Quality has recently published a consumer’s guide to geothermal energy in Montana (Birkby, 2012), outlining the current and potential uses and advantages of geothermal energy in the State