This dataset contains data provided by the Iowa Geological and Water Survey for heat pump facilities in the State of Iowa, including individual heat transfer installations (well, trench, pit) as well as facilities that aggregate more than one heat transfer installation. These features represent 2,785 residential facilities. There are 6 worksheets in this document, including information about the template, resource provider information, the data, and a list of possible data terms used in the data. Fields in the data include facility name, system type, heat application, date installed and drilled, driller depth, and location.