A tabletop exercise simulating a catastrophic levee failure and flooding emergency affecting the Williston, North Dakota area was held April 7, 2026, at the Williams County Emergency Operations Center.
The exercise, planned and hosted by the U.S. Army Corps of Engineers, Omaha District's Dam and Levee Safety Branch, brought together local, state and federal emergency managers along with law enforcement, public works officials, and stakeholders from the Williston area, to meet critical goals in emergency preparedness and flood response.