Water has been recognized as the most significant factor for survival of human life and especially for domestic purposes of households. It is base for the social and economic development of the country; therefore, it increases more pressure on the water leads to overexploitation of freshwater resources and breaks the balance of water ecosystem. The study analysed the average water consumption and wastewater discharge from urban households in Coimbatore city. For this study, the west zone was selected and randomly selected the two areas. The simple random sampling method was applied to selected 52 sample households from both areas. The average water consumption of Balaji Nagar was 95 litres/day and Karuparayan kovil area water consumption was 87 litres of water/day. The study found the ground reality of both area water consumption of households less than the government norms water supply, and around 80 percent of wastewater was generated from urban households. The linear regression results show R2 is 0.64, the results confirm the family size was the key factor determining the water consumption of households, and wastewater generation was determined by water consumption of urban households in Coimbatore city.