The cost of domestic water is 0.088 Yuan/meter and the cost of electricity is 0.563 Yuan per cubic meter. According to the query Tianjin municipal government information that in 1990, Tianjin urban areas of living water costs 0.088 yuan / cubic meter, electricity costs 0.563 yuan once. Domestic water refers to the water needed by human beings for daily life. It includes urban domestic water and rural domestic water. Urban living water by residents and public **** water (including services, catering, freight, post and telecommunications and construction water).