A Case Study Report on Waste water management &amp; Sewage Disposal in Mumbai Suburban Region.
Creators: name: MOHITE, ROHIT
Publisher: name: figshare
Year: 2021
Subjects: subject: 50101 Ecological Impacts of Climate Change
subject: FOS: Earth and related environmental sciences
subject: FOS: Earth and related environmental sciences
subject: Ecology
subject: FOS: Biological sciences
subject: FOS: Biological sciences
subject: 50102 Ecosystem Function
subject: 50203 Environmental Education and Extension
subject: 50204 Environmental Impact Assessment
subject: 50205 Environmental Management
subject: 50206 Environmental Monitoring
subject: 50207 Environmental Rehabilitation (excl. Bioremediation)
subject: Environmental Science
subject: 50299 Environmental Science and Management not elsewhere classified
subject: 59999 Environmental Sciences not elsewhere classified

description: Mumbai has the fourth largest population in the world (12.4 million inhabitants, 2011 Census of India) this results in a lot of regular commuter flow from nearby towns, such as Navi Mumbai and Thane, resulting in a wide range of services. Mumbai has invested in expanding its basic services to meet the population's needs, such as water supply, solid waste disposal, and wastewater collection and treatment in order to meet its growing needs. However, there is a gap between what is offered and what is needed by the general public, creating a gap. The emphasis has been on urban sewerage treatment and disposal in centralized networks traditionally, using water for storage and treatment requires water use as well as well as capital and energy resources. According to recent figures, 50-80% of untreated wastewater flows into oceans until infrastructure is in place, Indian cities are forced to reconsider sanitation concepts should make full use of cost-effective and long-term solutions.Domestic wastewater collection, treatment, and disposal facilities have been in place since the 1880s, and have been expanded as the city has grown. There are 1,998 km of sewers, 62 sewage pumping stations, 9 provisional treatment facilities, marine outfalls at three locations, three stage lagoons at one site, and single stage lagoons at two locations in the current sewerage infrastructure with seven areas. The first part of the Mumbai's sewage treatment (stage I) was approved by the Indian government's Ministry of Environment and Forests (MoEF). In 2025, the second stage of MSDP wastewater treatment and discharge facilities are being planned in which phases the developer can incorporate treatment as well as discharge requirements.The main aim of the MSDP II is to provide cleaner and healthier air for Mumbai residents while reducing the negative impacts of wastewater disposal on the environment. Milan is currently implementing the Phase II Mumbai Sewage Plan which lays out achievable and quantified goals for the year 2025.It is estimated that the project would cost INR 1,510 million. Approximately 2240 US dollars. Table 1 displays the total expense, operation, and maintenance costs of wastewater treatment plants. In South India, Godfrey et al. conducted a water reclamation study using conventional economics, the advantages were worth $100 each. 3:7 studies looked at the environmental costs of wastewater treatment plants. The authors estimated the economic cost and benefits of water and sanitation improvements. This research aims to decide whether Mumbai's proposed second stage of sewage treatment is advantageous economically, socially, and environmentally.Rapid urbanization combined with growth has resulted in substantial wastewater production in towns and cities. However, it has yet to be completed. According to the Central Pollution Control Board (CPCB), about 37,000 MLD of class I and 2,855 MLD of class II sewage was generated in 2009. It must now be disposed of. Inessentially, it invariably makes its way through the water system and poses a hazard to the general population. It may sink into the ground and contaminate the aquifer. Once again, people's water is dirty.This case study looks at 2 different projects in Mumbai, all of which are designed to improve the quality of the city's waste water and sewage system. Nature and electric-mechanical technology were investigated as part of the initial research for natural and electrical wastewater treatment. Three studies were chosen after a thorough investigation: on three different scales: community, organizational, and person levels. Usage of the land with little to no capital is applied in treating wastewater in all three of the case studies in this study, and returned to the site where it is made for re-use.