Published on 23 Feb 2025
Transboundary water resources are shared by two or more countries. These shared water bodies, including rivers, lakes, and aquifers, are crucial for the sustenance of millions. It's estimated that over 260 major rivers are shared by at least two countries. However, their management is a complex issue, demanding cooperation and negotiation among involved nations.
Key Issues with transboundary water sharing
Unequal Water Distribution
Geographical disparities: The Nile River basin, for instance, sees Egypt and Sudan as downstream beneficiaries while Ethiopia, Uganda, and Tanzania, located upstream, have varying water availability.
Population density: The Indus River basin, shared by India and Pakistan, faces challenges due to differing population densities and water demands.
Competing Water Demands
Agriculture: The Colorado River, shared by the US and Mexico, faces over-allocation due to increasing agricultural demands in both countries.
Industry: The Tigris-Euphrates River, shared by Turkey, Syria, and Iraq, has seen reduced water flow downstream due to Turkey's dam construction for hydropower generation.
Domestic use: Rapid urbanization in many regions, including the Mekong River basin, increases domestic water consumption, leading to conflicts.
Environmental flow requirements: Maintaining ecological health of rivers like the Danube, shared by multiple European countries, is often in conflict with other water uses.
Lack of Cooperation and Trust
Political tensions: The Ganges-Brahmaputra-Meghna River, shared by India, Bangladesh, and Nepal, has faced challenges due to historical tensions and political disputes.
Economic disparities: The Mekong River basin countries have varying economic strengths, affecting their bargaining power in water sharing negotiations.
Historical grievances: The Indus River basin, while governed by a treaty, continues to face tensions due to historical conflicts.
Climate Change
Increased variability: The Colorado River and the Indus River have both experienced increased water variability due to climate change, exacerbating existing tensions.
Rising sea levels: Coastal areas near transboundary rivers, like the Mekong, are vulnerable to saltwater intrusion.
India Specific Challenges in Transboundary water sharing (Country wise)
India-Pakistan
Indus Water Treaty: While the 1960 Indus Water Treaty allocates 80% of the Indus River waters to Pakistan, tensions persist over India's use of western rivers for hydroelectric power generation. The construction of dams like Baglihar and Kishanganga has been a major point of contention.
Diversion of rivers: India's construction of dams and barrages on the eastern rivers (Ravi, Beas, and Sutlej) has led to accusations of reducing flows to Pakistan.
Terrorism and mistrust: The ongoing political hostility between the two countries has severely impacted cooperation on water management.
India-Bangladesh
Sharing of Ganges and Brahmaputra waters: India's Farakka barrage significantly impacts the downstream flow of the Ganges, causing siltation and navigation problems for Bangladesh.
Flood management: Both countries face transboundary flood issues, with India often accused of exacerbating floods in Bangladesh through upstream damming and water release practices.
Teesta River dispute: The sharing of the Teesta River waters has been a contentious issue, with both countries unable to reach an agreement on water distribution.
India-Nepal
Hydropower development: India's interest in developing hydropower projects in Nepal has led to concerns about environmental impacts and potential water scarcity in Nepal.
Pancheshwar Dam project: The proposed Pancheshwar Dam on the Mahakali River has been delayed due to disagreements over water sharing and project benefits.
Border disputes: Unresolved border issues in some areas can hinder cooperation on water management.
India-China
Brahmaputra river: China's construction of large dams on the Brahmaputra (Yarlung Tsangpo) has raised concerns about potential impacts on water availability and downstream flooding in India.
Data sharing: China's reluctance to share hydrological data on the Brahmaputra hinders India's flood forecasting and water management.
Border tensions: The ongoing border dispute between the two countries casts a shadow over potential cooperation on water management.
Solutions to address these challenges
Equitable Water Allocation:
Comprehensive Water-Sharing Agreements: Develop detailed agreements based on principles like the Helsinki Rules, considering factors such as population, economic activity, and environmental needs.
Example: The Indus Waters Treaty between India and Pakistan.
Joint Water Management Institutions: Establish collaborative bodies to oversee water allocation and management.
Example: The International Joint Commission (IJC) for the US and Canada.
Fostering Cooperation and Trust
Confidence Building Measures: Implement initiatives to enhance trust, such as joint data sharing, capacity building, and conflict resolution mechanisms.
Example: The Mekong River Commission promotes cooperation through data sharing and joint projects.
Third-Party Mediation: Involve neutral parties to facilitate negotiations and resolve disputes.
Example: The Permanent Court of Arbitration has mediated several transboundary water disputes.
Addressing Upstream-Downstream Issues
Integrated Water Resource Management (IWRM): Adopt a holistic approach considering the interests of all riparian states.
Example: The Ganges-Brahmaputra-Meghna basin countries collaborate under the IWRM framework.
Early Warning Systems: Develop systems to predict and respond to floods and droughts.
Example: The South Asian Flood Forecasting System.
Protecting the Environment
Joint Environmental Protection Measures: Implement collaborative efforts to safeguard water quality and ecosystems.
Example: The International Lake Constance Conference to address environmental challenges in Lake Constance, one of Europe's largest lakes.
Sustainable Water Use: Promote efficient water use practices to ensure long-term availability.
Example: Water-saving technologies and efficient irrigation in the Jordan River Basin.
Enhancing Data and Capacity
Data Sharing and Capacity Building: Strengthen data collection and sharing, and invest in training water management professionals.
Example: The Global Water Partnership (GWP) provides training programs, knowledge-sharing platforms, and technical assistance to water professionals in developing countries.
Hydrological Modelling: Utilize models to assess water availability, predict impacts, and inform decision-making.
Example: The Mekong River Commission (MRC) utilizes hydrological models to assess water availability, and inform decision-making on water resource management in the Mekong River Basin.
Geography
Transboundary Water sharing
Key Issues with transboundary water sharing
India Specific Challenges in Transboundary water sharing
India-Pakistan
India-Bangladesh
India-Nepal
India-China
Solutions to address these challenges
General Studies Paper 1