Mumbai's Coastal Crisis: Untreated Sewage Threatens Marine Ecosystem and Fishing Livelihoods
In a concerning development for Mumbai's coastal health, Shiv Sena (UBT) corporator Chinatamani Niwate raised a critical issue in the Brihanmumbai Municipal Corporation (BMC) House on Tuesday. Niwate alleged that the Gazdhar Bandh pumping station in Khar Danda is discharging a toxic mix of sewage and floating waste directly into the Arabian Sea, leading to severe water pollution with devastating consequences for marine life.
Allegations of Direct Discharge and Operational Failures
The corporator claimed that sewage water, combined with assorted waste, flows through stormwater drains without undergoing any separation or treatment before being released into the sea. This practice, according to Niwate, results in a cascade of environmental and social problems. Fish mortality rates have increased, fish reproduction is adversely affected, marine biodiversity is declining, and the health of the local Koli fishing community is at risk.
Niwate further asserted that the pumping station is currently non-operational, a point contested by BMC's additional municipal commissioner, Abhijit Bangar, who clarified that the facility is indeed functional. Other corporators present echoed Niwate's concerns, highlighting that the pollution is severely impacting the livelihood of the fishing community, which depends on healthy marine ecosystems.
BMC's Response and Remedial Measures
A senior civic official provided details on the situation, explaining that the Gazdhar Bandh pumping station services the SNDT and main avenue nullah. The official acknowledged that the contract for operating and maintaining trash boom barriers on the SNDT nullah ended in February. "We had floated the tender much earlier, but there were issues with the responses, so we re-floated it. If we find a suitable bid, we will allot the contract. Meanwhile, we will extend the earlier tender and continue work with the existing contractor," the official stated.
To address the immediate crisis, the BMC is implementing several measures:
- Installing a trash boom downstream of the Gazdhar Bandh pumping station through Corporate Social Responsibility (CSR) funds, aimed at capturing floating waste before it reaches the sea. This work is scheduled for completion by May.
- Identifying and tapping sewage lines that merge with nullahs to divert sewage away from stormwater drains, thereby preventing its discharge into the sea.
Broader Implications and Community Impact
The discharge of untreated sewage into coastal waters poses significant threats beyond environmental degradation. The Koli community, with generations of fishing heritage, faces not only economic hardship due to reduced fish stocks but also health hazards from contaminated waters. This situation underscores the urgent need for robust waste management and infrastructure upgrades in Mumbai's coastal zones.
As the BMC works to rectify these issues, the incident highlights the ongoing challenges in balancing urban development with environmental stewardship in one of India's most populous metropolitan areas.



