MATR does include a service charge based on the size of the water meter. It is included in the charges shown on the front of the bill. A breakdown of charges can be found on the back of your bill.
How is water used in your home? On average, 17% goes towards showering, 27% is used by the toilet, your faucet drains 15%, your clothes washer another 22%, miscellaneous needs take up 5%, and those...