Analyzing Capacity of Existing Sewage Treatment Plants, Surat City

Disposing off sewage in any natural water bodies or in open land without being treated can cause hazardous effect on environment. This can even endanger human life. Sewage is water that emerges after utilization of fresh water by individual for domestic, commercial and industrial purpose. Sewage must be treated before discharging into natural drains. Surat city in Gujarat state of India with area about 326.515 sq. km. is selected for the research. Surat Municipal Corporation (SMC) is regulatory body in Surat city. Aim of this study is to carry out Gap analysis of the Sewage Treatment Plants of Surat city by analyzing current and future scenario. In this document existing 11 Sewage Treatment Plants (STP) of Surat city are studied with catchment areas. Growing water demand and sewage generation is considered according to CPHEEO (Central Public Health and Environmental Engineering Organization) guidelines. Sewage gap indicates difference between Projected Sewage treatment limits (according to SMC) and Projected Sewage generation (according to future water demand).