Great advice Baan-Ya....that's one way to discourage tourists from visiting! Once people started getting e-coli related illnesses, or giardia, CC will become one of those places where people won't want to even snorkel at, fearing water getting into their mouths. Yuck....please keep that type of insight to yourself. I'd rather not know, if ya know what I mean...No brown trout for me, thank you very much...