How about the fact that we can not filter birth control and other various medications from waste water and the fact that they are made of relatively stable compounds?

If people actually understood what makes it into the environment from various pharmaceuticals and industries, they'd be shut down tomorrow.

I'm an instrumentation and controls engineer, I design and calibrate equipment that measures the effluent concentrations and levels sand did so at a factory that I worked at.

Let me tell you something:

A CEO will absolutely poison a river upstream and happily go fishing downstream, they wear glasses with lenses made of paper money, they see about as far as their own nose.