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OUR WOUNDED MANDOVI RIVER MAI! By Raaisa Lemos Vaz
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OUR WOUNDED MANDOVI RIVER MAI! By Raaisa Lemos Vaz

ENVIRONMENT, Mar 21- Mar 27, 2026 March 19, 2026 , by

The half-a-dozen casino vessels parked permanently in the river Mandovi are suffocating the river

FOR centuries the Mandovi River has been the lifeline of Goa’s identity, its aquatic fauna, mangroves and birds. Its waters have carried the tales of dynasties and the livelihoods of thousands of fishing families who call its banks their home. Flowing from the Sahyadri Ghats to the Arabian Sea, the Mandovi is more than just a river, it is a sacred ecological waterway corridor. Yet today, this silver lifeline is being strangled. As the neon lights of Panaji’s offshore casinos — Deltin Royale, Deltin Jaqk, Majestic Pride, Big Daddy, and the new Delta Corp mega-vessel shimmer on the surface, they mask a grim reality of administrative failure, systemic pollution, fecal contamination and a microbial crisis that has turned the river into a stinking public health hazard.
The most damning evidence of the river’s decline comes directly from the Goa State Pollution Control Board (GSPCB). In data tabled during the March 2026 session of the Goa Legislative Assembly, it was revealed that fecal coliform levels in the Mandovi have exceeded permissible limits every single month since 2022, the permissible limit for fecal coliform being 100 or less MPN (Most Probable Number).
While the Central Pollution Control Board (CPCB) technically removed the Mandovi from its “Priority IV” polluted river list in September 2025 citing improvements in heavy metal concentrations like zinc and iron, this “improvement” is a dangerous half-truth. The microbial reality is catastrophic. In peak monitoring periods, such as July and December 2024, the fecal coliform count reached a staggering 2,300 MPN/100ml!
The waters surrounding the casino hub are currently 23 times more contaminated than what is considered safe for human contact. This “microbial soup” is a direct result of untreated or partially treated sewage entering the ecosystem, turning a historic river into what activists describe as an “open sewer” for the elite.
The government maintains that offshore casinos follow strict protocols, using “night soil tankers” to transport sewage to Treatment Plants (STPs) at Patto and Tonca. However, local activists, led by former CCP councillor Patricia Pinto, have exposed massive discrepancies that suggest these logs are far from accurate.
Recently during a public awareness meeting of the “Ponjekars Against Casinos” group in February 2026, Pinto brought forward documentation that shocked the capital. Records for a single casino operator in January 2025 showed a reported biodegradable waste output of 850 kg. However, the actual waste that arrived at the Corporation of the City of Panaji (CCP) facility from that same operator was 39,890 kg! This 47-fold discrepancy raises a petrifying question: If the solid waste reporting is this inaccurate, what is the true volume of liquid sewage being generated by these mini floating cities that house thousands of players and staff 24/7? The sheer volume of waste — nearly 40 tons from one ship in a single month, highlights an infrastructure strain that the narrow streets of Panaji and its limited Sewage Treatment Plants were never designed to handle.


This environmental crisis has not gone unnoticed and has invited a barrage of protests and social movements. A notable one being the protest headed by Sabrina Martins, a veteran human rights activist and educator, who has emerged as a central figure in the resistance. Leading the ‘Ponnjekars Against Casinos” banner Martins has organized massive signature campaigns and public rallies to demand the removal of casinos from the river.
During a high-stakes protest at the CCP in February 2026, Martins confronted authorities over the arrival of a new 112-meter-long, 30-meter-high casino vessel by Delta Corp. This behemoth, which replaces the smaller M.V. Royale Floatel, has a capacity of over 2,000 people- more than all five existing offshore casinos combined.
“We are not just fighting for a cleaner river; we are fighting for the soul of our city,” Martins stated during a press briefing. “The government is turning our heritage capital into a ‘sin city,’ where the health of residents is sacrificed for gambling revenue. This new vessel is bigger than most buildings in Panaji. Where will the waste go? How will our narrow roads handle the traffic?”
Martins and her team have also highlighted the illegal discharge of sewage into the St Inez Creek, a vital tributary of the Mandovi. Citizens have also captured video evidence of night soil tankers discharging raw sewage directly into the creek, which then flows straight into the Mandovi, bypassing any formal treatment.
The Mandovi is not just a commercial corridor, it is a complex estuarine ecosystem. The constant presence and operation of these massive casino vessels have a detrimental impact on the once rich and very much alive flora and fauna of marine linked with riverine biodiversity.

  1. Dredging and Benthic Destruction: To accommodate increasingly larger vessels, most notably the new 112-meter behemoth — constant dredging is required. This process destroys the riverbed (the benthic zone), which is home to various species of shellfish, crabs, and bottom-dwelling organisms. For the local fishing communities, this has meant the disappearance of traditional fishing grounds and the destruction of breeding zones ultimately resulting in the loss of daily bread.
  2. Light and Noise Pollution: The 24-hour cycle of high intensity neon lighting and underwater engine noise disrupts the natural rhythms of the river’s fauna. Studies by the National Institute of Oceanography (NIO) have noted that such disturbances interfere with the breeding cycles of estuarine fish and the migratory patterns of birds in the nearby Dr. Salim Ali Bird Sanctuary.
  3. The Salim Ali Bird Sanctuary Threat: Located just a stone’s throw away from the casino hub, a vital mangrove habitat, the Dr. Salim Ali Bird Sanctuary is caught in the crossfire. The increased turbidity from dredging and the chemical runoff from cleaning agents used on the ships threaten the delicate balance of the mangroves. High fecal coliform levels also introduce pathogens that can devastate bird populations that rely solely on the river for their food.
  4. Microplastics and Eutrophication: A study conducted by NIO has blamed wastewater from these entertainment vessels for contributing significantly to micro-plastics in the river. Furthermore, the high levels of nitrogen and phosphorus from organic waste has led to “nutrient loading,” which can trigger algal blooms that deplete dissolved oxygen, potentially leading to shores of the river brimming with masses of lifeless fish.
    The tide of public opinion has turned into a legal wave. In March 2026, a Public Interest Litigation (PIL) was filed in the high court of Bombay in Goa by a collective led by retired Chief Justice Ferdino Rebello under the “Enough is Enough” movement. The petition challenges the government’s failure to conduct a “River Carrying Capacity Study”, a mandatory requirement that has been ignored despite repeated directives from the National Green Tribunal (NGT).
    The legal crux of the case rests on one ignored mandate: the “River Carrying Capacity Study.” For years, the National Green Tribunal (NGT) has suggested that the government must determine exactly how many vessels the Mandovi can support, without irreversible ecological damage. But there is no such data study which has been completed and made available for public scrutiny. Under the circumstance, the PIL demands an immediate stay on any new vessel entering the river until a transparent, third-party scientific audit of the river’s health, is conducted and made public.
    The casinos of our Mandovi offer a significant if controversial revenue for the government of Goa. However, the data so far in 2026 raises a touch question: What is the true cost of this kind of sin economy “progress”?
    When fecal contamination levels are permitted to soar to 2,200% above safety limits, and when waste reporting is exposed by leaders as being inaccurate by 47 fold jump, the “economic benefit” begins to look like environmental bankruptcy. The tireless protests led are not merely about aesthetics, but they are a defense of a basic human right to a clean and safe environment.
    The Mandovi river has reached its breaking point. If the government continues to prioritize the expansion of the gambling industry over the ecological integrity of its most vital river waterway, it risks a permanent collapse of the estuarine food chain and a public health crisis that no amount of tax revenue will be able to fix. Without a cap on the number of vessels, a mandatory carrying capacity study, and an honest accounting of waste, Goa risks losing the very river that defines its history to the sharks above water. The choice is no longer about “regulating” the casinos, it is about deciding whether the heart of Goa belongs to its people or to the highest bidder.

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