Black Hills State University Underground Campus

•The BHUC is a low background counting facility being developed at SURF.•Four detectors are installed in the BHUC and four more will arrive within the year.•In total, the BHUC will be able to accommodate up to twelve detectors.•BHUC users are forming a collaboration of low background counters to pool resources.•There is currently space available for new low background counters in the BHUC.

The Black Hills State University Underground Campus (BHUC) houses a low background counting facility on the 4850′ level of the Sanford Underground Research Facility. There are currently four ultra-low background, high-purity germanium detectors installed in the BHUC and it is anticipated four more detectors will be installed within a year. In total, the BHUC will be able to accommodate up to twelve detectors with space inside a class 1000 cleanroom, an automated liquid nitrogen fill system, on-site personnel assistance and other required utilities.