Many large cities in the U.S. operate combined sewers, which collect sewage and stormwater runoff in a single pipe system leading to the treatment plant.
[6] In England environmental standards and their achievement for sewage disposal are regulated by the Environment Agency.
Both connection fees and use charges are typically proportionate to the amount and strength of wastewater expected to be generated by each customer.
Therefore, a single family residence would pay much smaller fees and charges than a food processing plant.
Some POTWs are eligible for low-interest loans to finance system improvements, from the Clean Water State Revolving Fund.
Charges to domestic users are based either on the metered volume of incoming water or on the notional value of the property (rateable basis).