Kishau Multipurpose Project: Yamuna Basin, Water Security & Hydropower

Subject: GS 1: Geography

Context: Recently, six states/UTs signed an agreement to implement the Kishau Multipurpose Project on the Tons River, a Yamuna tributary, with an estimated cost of ₹15,624 crore and 422 MW capacity. 

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About Kishau Multipurpose Project

• Location: The project is proposed on the Tons River in the border region of Uttarakhand’s Dehradun district and Himachal Pradesh’s Sirmaur district.

• Dam: A 232.6-metre-high concrete gravity dam is proposed under the project.
• Storage: The reservoir will have about 1,562 million cubic metres (MCM) of water-storage capacity.
• Power Generation: The project is expected to generate around 1,476 million units of clean hydropower annually.
• Irrigation: It is expected to provide irrigation benefits to approximately 97,000 hectares.
• Water Supply: The stored water will support drinking and industrial water requirements, particularly in downstream beneficiary regions.

Participating States and Water Sharing

• The agreement involves six Yamuna-basin stakeholders:
  • Himachal Pradesh
  • Uttarakhand
  • Uttar Pradesh
  • Haryana
  • Rajasthan
  • Delhi
• The project is therefore an example of inter-state cooperation over a shared river basin. 
  • Earlier disagreements centred particularly on water allocation and the sharing of project costs.

Its Significance

• Water Security: The reservoir will augment the availability of drinking, irrigation and industrial water in water-stressed parts of the Yamuna basin.
• Hydropower: Generation of clean hydropower will contribute to the regional renewable-energy mix.
• Yamuna Rejuvenation: Regulated releases from the reservoir are expected to contribute to improved flows in the Yamuna.
• Cooperative Federalism: The agreement demonstrates the importance of consensus-building among riparian states in managing shared water resources.
• Regional Development: Irrigation, electricity and water availability can support agriculture, industry and urban water security.

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Challenges that need to be Tackled

• Displacement and Rehabilitation: Large reservoirs can cause submergence, displacement and livelihood losses, requiring effective rehabilitation and resettlement.
• Ecological Impact: Dam construction in a Himalayan river system can affect downstream ecology, sediment transport and aquatic ecosystems.
• Inter-State Coordination: Differences over water allocation, financing and power benefits can delay implementation.
• Seismic and Geological Risks: Large infrastructure projects in the Himalayan region require rigorous assessment of geological and seismic vulnerabilities.
• Climate Change: Changing precipitation patterns, extreme rainfall and glacier-related hydrological changes can alter river flows and reservoir management.

Inter-State Water Governance in India

• Article 262: Parliament may provide for adjudication of disputes relating to the waters of inter-state rivers or river valleys.
• Inter-State River Water Disputes Act, 1956: Provides for the adjudication of certain inter-state river-water disputes through tribunals.
• River Boards Act, 1956: Provides for the establishment of River Boards for regulation and development of inter-state river valleys, though its practical use has been limited.
• Inter-State Council: Provides a platform for consultation and coordination between the Union and States on matters of common interest.
• Basin-Level Approach: Projects such as Kishau highlight the need for integrated river-basin management rather than state-wise management of water resources.

Way Forward

• Basin-Level Planning: Adopt an integrated approach based on the entire Yamuna basin rather than individual state interests.
• Environmental Safeguards: Ensure rigorous environmental impact assessment, downstream-flow requirements and biodiversity protection.
• Just Rehabilitation: Provide fair compensation, livelihood restoration and participatory rehabilitation for affected communities.
• Transparent Water Sharing: Use scientific hydrological data and transparent allocation mechanisms to minimise future disputes.
• Climate-Resilient Design: Incorporate extreme-weather, seismic and changing-flow scenarios into project design and operation.

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Conclusion

The Kishau agreement strengthens Yamuna-basin cooperation for water, irrigation and hydropower, while requiring equitable sharing, ecological sustainability and protection of affected communities. 

News Source: The Hindu

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