the wastewater generated by about 10% of Tehran population who are under the coverage of the plants, is reduced by 10,500 US dollars.
Through application of consumption management policies, and a drop in needs for water production and supply, a considerable number of groundwater resources (wells) can be taken out of circuit.
In addition to creating the possibility of preserving resources, this action greatly reduces the energy and the costs of pumping, operation and maintenance of related installations.