"It’s all designed to stay one step ahead of the rising floodwaters"

"It’s all designed to stay one step ahead of the rising floodwaters."

That reassuring statement made June 22nd is from the NRC public-blog .

Fast forward to June 27th

The inflatable berm that had been providing extra flood protection for the Fort Calhoun nuclear power plant was punctured and deflated "due to onsite activities" early Sunday morning,Omaha Public Power District (OPPD) said in a statement.

The collapse of the berm allowed floodwaters to surround the main electrical transformers. Operators transferred power from offsite sources to the emergency diesel generators as a precautionary measure due to water leakage around the concrete berm surrounding the main transformers.

The NRC says no danger to the public, the plant is still being cooled and “The nuclear reactor was not affected by the flood waters said company and government officials.”
To the un-trained eye it kind of looks as if it was affected.