00:56 Florida Sinkhole Leaking Radioactive Water Corporation says no danger in “slightly radioactive” sinkhole water leaking into a central Florida aquifer.

At a Glance A massive sinkhole has caused more than 200 million gallons of contaminated wastewater to leak from a storage pond.

Phosphate supplier Mosaic has issued the results of radiological tests done on residents' well water.

A representative of the company says there is nobody at risk. After a massive sinkhole spilled more than 200 million gallons of "slightly radioactive" contaminated wastewater into Florida's main drinking-water aquifer, the company responsible for the spill has announced the awaited results of radiological tests on the residents' well water.

Mosaic, the world's largest supplier of phosphate, issued a release Wednesday stating that testing conducted at nine water wells returned results that are within normal drinking water standards .

"The samples ... were submitted to a third-party laboratory that reported levels of Gross Alpha in all of the water wells tested are within health-based drinking water standards established by U.S. EPA and Florida DEP," states the release. "As set forth in DEP’s standards, where Gross Alpha measurements meet drinking water standards, the analysis of radium is not necessary. These results further verify that there have been no offsite impacts as a result of this incident."

The company also announced that it's starting to see non-radioactive contamination, such as acidity and sulphates, in monitoring wells at the site, which shows the waste has spread to the aquifer, according to the Associated Press.

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Residents living near the spill site anxiously awaited the radiological results, fuming that the public was not immediately notified about the gaping sinkhole.

According to Mosaic, the 45-foot chasm opened up beneath a pile of waste material called a "gypsum stack" on Aug. 27, allowing contaminated water to leak into the state's aquifer.

Although Mosaic told government authorities about the leak on Aug. 27, it did not inform the public for another three weeks , according to an incident report.

The 215-million-gallon storage pond sat atop the waste mineral pile, the AP reported. The company says it is monitoring the groundwater and has found no offsite impacts.

"Groundwater moves very slowly," David Jellerson, Mosaic's senior director for environmental and phosphate projects, told the AP. "There's absolutely nobody at risk."

The water had been used to transport the gypsum, which is a byproduct of fertilizer production, the company said.

"It went directly into the Floridan aquifer," said Debbie Waters, Mosaic’s director of regulatory affairs.

Waters attempted to quantify "slightly radioactive."

"A way to describe the radioactivity in the processed water and our gypsum is that it's a low level of naturally occurring radioactivity," Waters told news-press.org. "The ore we mine out of the ground contains uranium and all the uranium products naturally that are there...But it's still present and it's detectable... Primarily, radium sulfate is the form of the radioactive material that is most expected to be in the gypsum."

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Waters said she is confident the contaminated water will not reach Southwest Florida.

"The contaminants including the radioactive materials settle out readily ... They don't travel. They're solid materials; they're not in a solution. So they're not migrating in the water through the aquifer (however) the constituents of sodium and sulfate, which are ions and not molecules, do travel more readily and those are things we would be able to detect if they were to show up in our monitoring wells," she said.

Dee Ann Miller, a spokeswoman for the state's Department of Environmental Protection, said the company is updating state and federal agencies on the situation.

"Along with reviewing daily reports, DEP is performing frequent site visits to make sure timely and appropriate response continues in order to safeguard public health and the environment," Miller wrote in an email to the AP. "While monitoring to date indicates that the process water is being successfully contained, groundwater monitoring will continue to ensure there are no offsite or long-term effects."

According to the AP, the incident comes less than a year after Mosaic settled a massive federal environmental lawsuit with the U.S. Environmental Protection Agency in which the company agreed to nearly $2 billion in repairs, improvements and cleanups at its plants.

In 1994, another sinkhole in Polk County opened sending tons of waste from one of the company's waste piles into the earth.

Environmental groups said the damage from the latest sinkhole could be severe.

"I wish we could say that watching an environmental tragedy unfolding at a Florida phosphate mining site was a new occurrence, but sadly it's happened repeatedly," Tania Galloni, an attorney with the Florida office of Earthjustice told AP. "These phosphate companies are playing roulette with our public waters."