There have been numerous occasions in my life where alcohol has fueled drama among people I've accompanied to shows. I like to actually remember the concerts I go to, so I've learned to keep drinking to a minimum at live shows in recent years.
If your household gets its water from a private well it is solely your responsibility to make sure your drinking water doesn’t become contaminated. If your household water comes from a public drinking water system your water provider is responsible for ensuring water quality.
This is another one of those study results that make all your memories make sense - like when your high school buddies would run into walls, or smack each other with baseball bats...even when they weren't drunk.