There’s not much that can be done except avoid getting the water in your nose. That’s how it gets into the body.............
https://www.uswatersystems.com/blog/2013/10/brain-eating-amoeba/
Nose plugs or clips is about all you can do besides staying out of the water altogether.
Here in Florida, we have ‘Flesh Eating Bacteria’ that can infect open wounds, sores and scratches on people who get in warm waters that are infested..................
It's an amoeba in a public water system.
Making Flint look like an amusement park.