Kerala Water Authority launches ₹185 crore sewage project to clean Kochi canals
GS3Economy · S&T · Environment · Security· Pollution (air, water, plastic)· Prelims·
Why in news
The Kerala Water Authority (KWA) initiated a ₹185 crore sewage project in Kochi to mitigate canal pollution and improve urban sanitation.
Background
The project involves a 27-km sewage pipeline, a 5-MLD Sewage Treatment Plant (STP), and 1,400 manholes. It utilizes Moving Bed Biofilm Reactor (MBBR) technology and is designed for a 30-year operational period.
Facts for Prelims
- BodyKerala Water Authority (KWA): State body responsible for water supply and sewerage management in Kerala
- S&TMBBR (Moving Bed Biofilm Reactor): A fixed-film activated sludge process used for wastewater treatment
- FactProject Scope: 27-km pipeline, 5-MLD STP, and 1,400 manholes in Kochi
- PlaceKochi: Major port city in Kerala, Kerala's commercial hub
For Mains
Q. Discuss the challenges of urban waste management in coastal cities and evaluate the role of decentralized sewage treatment in preserving aquatic ecosystems.
Dimensions to cover in your answer
- Infrastructure gap: Inadequate sewerage coverage leading to direct solid waste dumping in urban canals
- Technological transition: Shift from traditional primary treatment to advanced MBBR systems for higher effluent quality
- Public health nexus: Correlation between untreated canal water and the prevalence of water-borne diseases in high-density urban areas
Keywords: Urban Sanitation · Wastewater Treatment · MBBR Technology · Aquatic Pollution · Public Health
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