It seems there are more than amoebas in fresh water to be worried about. One article is about sale water near Tampa, close to Disney and Clearwater, and one is about pools. Though it best to share.
Crypto is crazy prevalent in daycares… my daughter was kind enough to bring it home a few times, and no matter whether you bathe in Lysol twenty times a day or whatever, it is insanely contagious. Thankfully, it’s more annoying than anything else if you get it. Just stay hydrated, flush out your system, and life goes on.