Policy: Environment & Energy

Regulators defend study of nuclear flood risks

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Photo - FILE -  This March 26, 2013 file photo shows the Fort Calhoun nuclear power plant in Blair, Neb. The owners of both of Nebraska's nuclear power plants are evaluating what it might mean if a damn upstream failed as part of an industrywide review of unlikely hazards. But regulators have told the utilities they don't need to worry about some of the scenarios they were considering. (AP Photo/Nati Harnik, file)
FILE - This March 26, 2013 file photo shows the Fort Calhoun nuclear power plant in Blair, Neb. The owners of both of Nebraska's nuclear power plants are evaluating what it might mean if a damn upstream failed as part of an industrywide review of unlikely hazards. But regulators have told the utilities they don't need to worry about some of the scenarios they were considering. (AP Photo/Nati Harnik, file)
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OMAHA, Neb. (AP) — Federal regulators say the evaluation of unlikely flood threats to Nebraska's two nuclear power plants will be thorough even though some scenarios won't be considered.

The utilities are re-examining flood threats at Fort Calhoun and Cooper nuclear plants as part of an industrywide review after the 2011 Japanese meltdowns. Both Nebraska plants sit on the Missouri River.

The Nuclear Regulatory Commission dropped two of five dam failure scenarios from the review.

NRC spokeswoman Lara Uselding said Tuesday one of the scenarios was eliminated because the Corps of Engineers determined that the combination of dam failure, flooding and earthquake wasn't a credible threat.

The other scenario eliminated was similar to another one that will be reviewed.

Uselding says the review of flood threats will be robust and thorough.

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