In 2013, a young boy died of "brain-eating amoeba." Infiltrating drinking water, naegleria fowleri can be found in lakes, ponds, rivers, untreated swimming pools, untreated well water and municipal water, and in thermally polluted water. In response, the city responded by requiring all water systems that use chlorine to maintain a continuous level of at least .05 milligrams per liter of disinfectant in the water.

Even after following revised state health department requirements, the amoeba has still been found in a Louisiana's St. Bernard Parish.

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