An aqua berm protecting the Fort Calhoun nuclear power plant in Nebraska was punctured and deflated on Sunday as officials sought to repair it amid floodwaters rising in the area.

The berm had been meant to provide enhanced flood protection for the station was punctured and deflated due to onsite activities, the Omaha Public Power District said.

The plant is secure, said government entity said. The fuel is continuing to be cooled. At no time were the cooling systems lost.

OPPD said an aqua berm vendor was onsite working to repair the puncture.

On Monday the head of the Nuclear Regulatory Commission, Gregory Jaczko will visit the site.

OPPD said the plant basically, is in the same situation it would have been had the extra layer of protection of the aqua berm had not been added.

The plant can withstand flooring up to 1014 feet above the mean sea level (MSL), according to OPPD, according to OPPD.