National Nuclear Regulatory Commission Activates Incident Response Center for Tracking Events at Nebraska’s Fort Calhoun Nuclear Power Plant by Gary Kopycinski on June 27, 2011 Gary Kopycinski Author More in National: Rep. Kelly Condemns FDA Approval of Flavored E-Cigarettes May 6, 2026 Wisconsin Legislative Black Caucus Introduces Constitutional Amendment to Ban Slavery in Wisconsin February 24, 2026 Martha Washington’s Enslaved Maid Ona Judge Made a Daring Escape to Freedom – but the National Park Service Has Erased Her Story From Philadelphia Exhibit February 14, 2026 Arlington, TX—(ENEWSPF)—June 27, 2011. The U.S. Nuclear Regulatory Commission (NRC) is monitoring events at the Fort Calhoun nuclear power plant after a protective berm holding back floodwaters from the Missouri River collapsed early Sunday.