Ketv noted in March:
Fort Calhoun's nuclear power plant is one of three reactors across the country that federal regulators said they are most concerned about.Those upgrades are being tested right now, as the area around the Fort Calhoun nuclear power plant is being flooded.
Last year, federal regulators questioned the station's flood protection protocol. NRC officials said they felt the Omaha Public Power District should do more than sandbagging in the event of major flooding along the Missouri river.
OPPD officials said they have already made amends and added new flood gates.
"We updated our flood protection strategy and have tested and re-tested our new strategy. The issue is operationally resolved, and at no time was there a threat to public safety or was public health at risk," OPPD President and Chief Executive Officer Gary Gates said.
Specifically, the midwestern floods have made the power plant an island, and sandbags, berms and other measures are being deployed to prevent a Fukushima-like problem.
On June 9th, an electrical fire knocked out cooling of the spent fuel rods at the plant. On June 6th, the Federal Administration Aviation (FAA) issued a directive banning aircraft from entering the airspace within a two-mile radius of the plant.
Since last week, the plant has been under a "notification of unusual event" classification, because of the rising Missouri River. That is the lowest level of emergency alert.
The Omaha Public Power District - which runs the reactor - says that there have been no releases of radioactivity, everything is under control, and that:
The flight restrictions were set up by the FAA as a result of Missouri river flooding.An OPPD spokesman updated Business Insider about the situation:
OPPD spokesman Jeff Hanson told Business Insider that the nuclear plant is in a "stable situation." He said the Missouri River is currently at 1005.6" above sea level, and that no radioactive fuel had yet been released or was expected to be released in the future.
Asked about the FAA flight ban, Hanson [said] it was due to high power lines and "security reasons that we can't reveal." He said the flight ban remains in effect.
Nuclear expert Arnie Gundersen said that he doesn't expect a melt-down, as the diesel generators are situated higher above the ground than at Fukushima, so - unless the water rises further than expected - they should keep working:
However, Channel 6 news notes that OPPC is intentionally flooding the containment building to cool the rods:
The facility was taken offline to refuel earlier this year so the containment building has been flooded by OPPD in order to cool the fuel rods.
Hanson adds they have a number of backup systems in place to continue to pump clean water through the spent fuel pool and into the reactor containment building so he says there is nothing to fear.
And see this.
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