A background note can be accessed here: India’s Draft National Water Metro Policy
The draft National Water Metro Policy positions inland waterways as an additional layer within urban mobility systems. To what extent can water metro networks function as integrated public transport infrastructure rather than isolated showcase projects
India already has several regions where inland water transport has historically functioned as an important mode of mobility. States such as Kerala, Goa, Assam, parts of Maharashtra and Gujarat, and tidal river stretches benefiting from natural depth and flow have long used riverine routes for transportation. In recent years, many passenger transport systems have been modernised through initiatives such as air-conditioned ferries in Goa, Ro-Pax services in Gujarat, and upgraded ferry systems in West Bengal and Assam under World Bank-supported projects.
Whether water metros become part of everyday urban mobility depends on how they fit within wider transport planning. The Assam Inland Waterways Development Project, for instance, improved vessel safety and ferry infrastructure, but some routes later became less useful after bridges were constructed. This illustrates how water transport systems must be assessed alongside other present and future transport investments.
For urban water metros, last-mile connectivity remains one of the most critical challenges. In many riverine areas, access to ferry terminals is poor, particularly for the elderly, pregnant women, and persons with disabilities. Fare integration also goes beyond a unified ticketing system. Commuters may still have to walk considerable distances or rely on additional transport services to reach terminals, increasing both travel time and cost. In many cases, fare subsidisation may be necessary to make water-based transport viable for regular users, making realistic cost-benefit assessments essential.
Safety must also be understood at the level of the entire river transport ecosystem. Recent accidents on waterways, including those involving a hydrogen vessel and a small boat in Varanasi, show that safety cannot be confined to water metro vessels alone. Rivers are shared spaces, and the safety of water metro projects ultimately depends on safe operations across all vessels, supporting infrastructure, and communities that depend on rivers.
The policy frames inland urban transit as a low-emission and climate-resilient mobility solution for rapidly urbanising cities. How should policymakers balance transport expansion with the ecological sensitivities of rivers, lakes, and backwaters
Inland waterways are often presented as low-emission and climate-resilient transport systems because they can reduce fuel consumption and exhaust emissions. Many proposed water metro projects also emphasise electric and hybrid vessels as cleaner alternatives. However, the ecological consequences of developing and operating these systems require much greater attention.
Dredging, including periodic maintenance dredging, can significantly affect aquatic ecosystems by increasing turbidity, generating underwater noise, releasing settled pollutants and contaminants in urban rivers, and creating challenges around the disposal of dredged sediments. Vessel movement can also affect aquatic ecology through wave action that destabilises shorelines and increases erosion risks. Concerns also persist over the discharge of sewage and waste into rivers due to weak monitoring and compliance systems.
Climate-related changes require a more thorough assessment as well. Urban inland water ecosystems are becoming increasingly vulnerable to unpredictable rainfall patterns, and both low-water and high-water conditions can disrupt services. The construction of terminals, parking facilities, and inter-modal connectivity infrastructure may increase pressure on floodplains and riverbanks. There could also be significant impacts on fishing communities through restrictions on fishing activity and damage to nets, while local boat operators may face livelihood losses if traditional occupations are disrupted.
Given these understudied impacts, water metro planning should involve independent experts and community representatives from the outset. Comprehensive environmental impact assessments based on recent baseline data should be publicly disclosed in regional languages and opened for expert review. Monitoring and institutional capacities across State Pollution Control Boards, River Maritime Boards, River Police, IWAI, Tourism Departments, and Municipal Bodies should also be strengthened to manage environmental, climate-related, and safety concerns throughout the project lifecycle.
The framework seeks to scale the Kochi Water Metro model across multiple Indian cities through standardised planning and financing support. How transferable is this model across India’s highly varied urban hydrological and governance contexts
The success of the Kochi Water Metro can largely be attributed to two factors. First, most of the 16 boat channels identified under the project were already operational ferry routes, reflecting an existing and demonstrated public transport need that required modernisation. Second, the project underwent a robust and legally binding Environmental Impact Assessment process under the EIA Notification 2006, despite involving only maintenance dredging.
The project was appraised by the Central Expert Appraisal Committee and involved extensive pre-project studies on shoreline impacts, rock dredging, marine ecology, biodiversity, waste management, and environmental monitoring. Permissions were also obtained from multiple regulatory authorities, including the State Coastal Zone Management Authority and Pollution Control Board. The entire process took nearly eight years before commercial operations began.
Comparisons with proposed projects elsewhere illustrate why direct replication is difficult. Patna in Bihar is an entirely different ecosystem from Kochi in Kerala. The Ganga is a heavily stressed and dynamic river system, shaped by multiple tributaries and a different hydrological pulse. Institutional capacities also vary. Existing and proposed interventions including riverfront development, the JP Ganga Bridge, the Hajipur bridge, water sports, local crafts, cargo movement, and river cruises create a far more complex operating environment for the proposed water metro. The stretch is also inhabited by Gangetic dolphins, which are disturbed by dredging and vessel noise.
Similar concerns arise in Varanasi, where the introduction of river cruises has generated tensions with the traditional mallah community. The expansion of motorised vessels has transformed local river-based livelihoods and increased pressure on already crowded waterways. Recent accidents, near-collisions, and other incidents on active inland waterways, including the collision between an iron ore barge and a ferry on the Mandovi in Goa earlier this year, have further highlighted the importance of planning and implementation capacity.
The Kochi experience offers useful lessons in project preparation, environmental appraisal, and regulatory coordination. However, water transport systems cannot be standardised across regions. Ecological conditions, river behaviour, existing mobility patterns, social relationships with waterways, and institutional capacities differ significantly across India, and projects must therefore evolve according to local realities and needs.