You should read what you post before you post it.
They already do in some parts of Bush's home state of Texas.
And, they do it many other communities, where the sewerage rates is based on water usage.
It makes sense, too. After all, it takes more energy and costs more money to treate a person's waste with 100 gallons of water than the same amount of waste in just 20 gallons of water.
I see why you have to use name-calling in your subject line. You don't have any other argument.
Jeff