Stop editing your ridiculous comment.

Rights are enshrined by society, it’s what we choose. Nothing is a right in and of itself contrary to what your comment tries to imply.

The natural state of being is freedom, it up to society to restrict what they deemed necessary and punish the offenders. Unless the body of water or reservoir are claimed by the government then it is free for anyone to use, quality notwithstanding. Safe, clean water implies certain amount of processing and I agree that unless it is explicitly written then it is up to the users to sanitize that water