400,000 gallons of radioactive water leak from Minnesota nuclear plant


Xcel Vitality cleansing up radioactive leak in Monticello

Xcel Energy cleaning up radioactive leak in Monticello


Minnesota regulators mentioned Thursday they’re monitoring the cleanup of a leak of 400,000 gallons of radioactive water from Xcel Vitality’s Monticello nuclear energy plant, and the corporate mentioned there isn’t any hazard to the general public. The leak was first detected in November of final yr.

“Xcel Energy took swift action to contain the leak to the plant site, which poses no health and safety risk to the local community or the environment,” the Minneapolis-based utility mentioned in an announcement.

Whereas Xcel reported the leak of water containing tritium to state and federal authorities in late November, the spill had not been made public earlier than Thursday.

“If at any point there had been concern for the public safety, we would of course, immediately have provided more information,” Chris Clark, president of Xcel Vitality-Minnesota, North Dakota and South Dakota, advised CBS Minnesota on Thursday. “But we also wanted to make sure we fully understood what was going on before we started raising any concerns with the public around us.”

State officers mentioned they waited to get extra data earlier than going public with it.

“We knew there was a presence of tritium in one monitoring well, however Xcel had not yet identified the source of the leak and its location,” Minnesota Air pollution Management Company spokesman Michael Rafferty mentioned.

“Now that we have all the information about where the leak occurred, how much was released into groundwater, and that contaminated groundwater had moved beyond the original location, we are sharing this information,” he mentioned, including the water stays contained on Xcel’s property and poses no quick public well being threat.

The Minnesota Division of Well being also stated on its web site that the leak didn’t attain the Mississippi River.

“The groundwater beneath the facility, it’s been determined that it moves in the direction of the Mississippi River, slowly, but that’s the direction that it flows, or moves, underground,” Doug Wetzstein an industrial division director with the Minnesota Air pollution Management Company, advised CBS Minnesota.

Tritium is a radioactive isotope of hydrogen that happens naturally within the atmosphere and is a typical by-product of nuclear plant operations. It emits a weak type of beta radiation that doesn’t journey very far and can’t penetrate human pores and skin, in line with the NRC. An individual who drank water from a spill would get solely a low dose, the NRC says.

The NRC says tritium spills occur now and again at nuclear vegetation, however that it has repeatedly decided that they’ve both remained restricted to the plant property or concerned such low offsite ranges that they did not have an effect on public well being or security. Xcel reported a small tritium leak at Monticello in 2009.

Xcel mentioned it has recovered about 25% of the spilled tritium thus far, that restoration efforts will proceed and that it’s going to set up a everlasting resolution this spring.

The corporate mentioned it notified the federal Nuclear Regulatory Fee and the state on Nov. 22, the day after it confirmed the leak, which got here from a pipe between two buildings. Since then, it has been pumping groundwater, storing and processing the contaminated water, which incorporates tritium ranges beneath federal thresholds.

“Ongoing monitoring from over two dozen on-site monitoring wells confirms that the leaked water is fully contained on-site and has not been detected beyond the facility or in any local drinking water,” the Xcel Vitality assertion mentioned.

When requested why Xcel Vitality did not notify the general public earlier, the corporate mentioned: “We understand the importance of quickly informing the communities we serve if a situation poses an immediate threat to health and safety. In this case, there was no such threat.” The corporate mentioned it targeted on investigating the scenario, containing the affected water and determining subsequent steps.

The Monticello plant is about 35 miles northwest of Minneapolis, upstream from town on the Mississippi River.

Xcel Vitality is contemplating constructing above-ground storage tanks to retailer the contaminated water it recovers, and is contemplating choices for the remedy, reuse, or remaining disposal of the collected tritium and water. State regulators will evaluate the choices the corporate selects, the MPCA mentioned.

Japan is getting ready to launch an enormous quantity of handled radioactive wastewater into the ocean from the the triple reactor meltdowns 12 years in the past on the Fukushima Daiichi nuclear energy plant. The water incorporates tritium and different radioactive contaminants.


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