Yesterday I stopped at a carwash to dump my waste water between jobs and the owner of the carwash seemed to be upset that I did it. I did not just dump and leave, I put money into it and did a quick power wash of my van after I dumped. When I was done this man that I assume was the owner came over and asked me what I did, I told him that I had to dump out some dirty water and he seemed a little upset. I told him that there was no carpet fibers in the water that I dumped and I showed him the inline filter that I used to advoid that. Why would he be upset? I put money into his carwash as well, all I can think of is that he is having problems with his drains. I have seen other carpet cleaners dump and they leave carpet fibers and debris when they do it.