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Due to hazardous winter weather conditions, SURF will transition to an “essential personnel only” operations mode starting at 5:00PM MT today (Monday, Feb 24). At this time, we plan to return to normal operations tomorrow at 5:00PM MT (Tuesday, Feb 25). Normal day shift operations are cancelled for Tuesday.Due to hazardous winter weather conditions, SURF will transition to an “essential personnel only” operations mode starting at 5:00PM MT today (Monday, Feb 24). At this time, we plan to return to normal operations tomorrow at 5:00PM MT (Tuesday, Feb 25). Normal day shift operations are cancelled for Tuesday.

Sanford Underground Research Facility

630 E. Summit Street
Lead, SD 57754
Main phone: (605) 722-8650
Operations Status/Weather line: (605) 722-0002

Fermi National Accelerator Laboratory

P.O. Box 500, MS 200
Batavia, Illinois 60510

Please contact us directly with questions regarding construction of the LBNF/DUNE project.