Meanwhile, the maximum expected flood level was apparently raised, but the article is inconsistent on whether that's 1,008 or 1,011 feet. They also write about emergency measures useful until 1,036 feet, and also say:

Added flood protection at Nebraska nuclear plant fails | Iowa Independent

Much of the good fortune at the plant during this crisis has been the result of earlier inspections by regulatory officials that revealed several imperfections in relation to flood preparedness at the plant. Because of the inspections and subsequent work by OPPD officials, many of problems that could have spelled catastrophe during this flood have been mitigated. OPPD workers first began flood prevention activities during the weekend of May 21.

One year off and there would have been a second Fukushima.

_{*Lunatic*, n.
One whose delusions are out of fashion.}