A guy I work with told me this the other day, he used to work on septic systems.
"My company got a call from a guy who's tank alarm was going off. So I get out there and meet the guy, he was a middle age guy real nice. So I go around back to inspect the problem, pop the lid off the tank and floating in the tank is like 100 condoms.
"So I walk back over to the guy and let him know what the problem is, I said 'sir you I found about a hundred of these in your tank, you can't flush your condoms because they clog the impeller.' The guy just gave me a blank stare for a second, then his face started turning red. He said, 'those aren't mine.'
"Just as he said that his daughter and her boyfriend drove up."
I don't know if that is a common story among septic guys, but he claimed it happened to him. I just thought it was funny.