Meanwhile, the BSR Surf Resort voluntarily closed its doors until the results of the analysis determine whether the surfer was infected, or not, in the artificial wave pool.
Naegleria fowleri is a deadly brain-eating amoeba-and not the kind of thing you want to come in contact with.
A GoFundMe page - set up by Stabile's friends and family to raise awareness about PAM - writes that Stabile's symptoms first appeared on the afternoon of September 16, when he experienced an intense headache that forced him to take pain medication and lie down.
Stabile died the following day.
Fabrizio Stabile, 29, fell ill after visiting the pool at BSR Cable Park in Waco in September.
Naegleria Fowleri is especially unsafe, proving fatal 97 percent of the time according to the CDC.
BSR Cable Park owner Stuart E. Parsons Jr. told The Associated Press that the park is closed and is cooperating with the investigation into Stabile's death.
The CDC reports the amoeba is usually found in warm freshwater, such as lakes, rivers or hot springs. Once it travels through the nose it causes a devastating brain infection called primary amebic meningoencephalitis (PAM).
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Symptoms including headache, nausea, fever and dizziness generally start about five days after infection, with death occurring about five days later, according to the US Centres for Disease Controland Prevention (CDC).
"The CDC collected water samples and are now investigating to find the source", Kelly Craine, a spokeswoman for Waco-McLennan County Public Health District, told CBS.
"Our hearts and prayers are with his family, friends and the New Jersey surf community during this hard time", Parsons said.
However, people will not be infected by Naegleria fowleri by drinking contaminated water.
The fatality rate is over 97 percent and only four of 143 known infected individuals in the U.S. from 1962 to 2017 have survived.
Stabile was remembered as an avid outdoors lover who loved to surf and snowboard.
The infection can not be passed from person to person and typically occurs during the summer months of July, August and September.