Recent research on the East River watershed, a key tributary of the Gunnison River, highlights significant shifts in groundwater dynamics due to rising temperatures and diminished snowpack. The region has experienced a notable temperature increase since 1986, coupled with altered precipitation patterns. This has led to a growing dependence on older groundwater sources, some dating back centuries, raising concerns about the long-term sustainability of this resource. Warming experiments, simulating elevated atmospheric temperatures, have further demonstrated how water partitioning and streamflow interactions are being affected.