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Introduction

Urban lakes are disappearing across India, turning ecological assets into real estate spaces. The Supreme Court’s recent ruling reaffirmed that lakes, even artificial ones, are public trusts, exposing deeper failures of environmental governance in the Anthropocene.

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Urban Lakes as an Ecological Crisis

• Biodiversity Loss: Urban lakes support the wetland ecosystems; their disappearance destroys local biodiversity and ecological balance.
  Eg: Bengaluru lost ~79% of its water bodies, severely affecting wetland bird habitats (Karnataka State Pollution Control Board).
• Flood Risks: Lakes act as natural flood buffers by storing excess rainwater; encroachment increases urban flooding during heavy rainfall.
  Eg: Chennai floods (2015) worsened due to encroachment of Pallikaranai marsh and connected water bodies.
• Groundwater Decline: Lakes recharge groundwater and maintain local water tables; their loss increases urban water scarcity and dependence on tankers.
  Eg: Hyderabad’s lake shrinkage has contributed to groundwater stress, noted in CGWB urban water assessments.
• Heat Regulation: Water bodies reduce urban heat through cooling effects; disappearance intensifies urban heat islands and local temperature rise.
  Eg: Delhi’s wetland loss has been linked to rising localized heat stress in urban climate studies by CPCB.
• Public Commons Loss: Lakes are shared public spaces supporting livelihoods, recreation, and cultural life; privatization excludes communities from common resources.
  Eg: Futala Lake, Nagpur, became the subject of litigation over commercial exploitation, leading to Supreme Court intervention.

Disappearance of Urban Lakes as a Failure of Environmental Governance in the Anthropocene

• Encroachment Failure: Authorities allowed illegal construction and land conversion on lakebeds despite clear legal protections for wetlands and water bodies.
  Eg: Bellandur Lake, Bengaluru, witnessed large-scale encroachments despite repeated NGT interventions.
• Fragmented Control: Multiple agencies manage lakes without coordination, causing weak accountability and poor conservation outcomes.
• Cosmetic Urbanism: Governments prioritize beautification projects over ecological restoration, treating lakes as tourism assets rather than ecosystems.
• Weak Enforcement: Wetland Rules and environmental norms remain poorly enforced due to weak monitoring and local administrative negligence.
  Eg: National Wetland Inventory shows many urban wetlands remain outside effective protection despite Wetlands Rules, 2017.
• Intergenerational Injustice: Anthropocene governance failure reflects present generations exhausting ecological commons, violating sustainability and future rights.
  Eg: NITI Aayog’s Composite Water Management Index warned of worsening urban water stress affecting future generations.

Supreme Court’s Public Trust Doctrine Judgment and Redefinition of State Responsibility

• Trustee Role: The Court clarified that the State is a trustee, not owner, of lakes and must protect them for public benefit.
  Eg: Supreme Court in the Futala Lake case applied Public Trust Doctrine against commercialization.
• Artificial Lakes Included: PTD now covers even man-made lakes, expanding protection beyond only natural resources and strengthening conservation scope.
• No Privatization: Public water bodies cannot be transferred for private profit if ecological purpose and public access are compromised.
• Constitutional Duty: The judgment linked lake protection with Article 21, Article 48A, and Article 51A(g), making conservation a constitutional obligation.
  Eg: The Court reaffirmed environmental protection as part of the right to life jurisprudence.
• Ecological Priority: The ruling shifted focus from ownership and beautification to ecological preservation and sustainable public use of lakes.
  Eg: The judgment emphasized restoration over commercial redevelopment of urban lakes.

Conclusion

The disappearance of urban lakes reflects not only ecological decline but also administrative neglect of public trust responsibilities. Urban lake protection needs integrated watershed planning, stronger local accountability, and citizen-led monitoring beyond judicial intervention. This ensures ecological security and intergenerational justice while advancing SDG 6 (Clean Water), SDG 11 (Sustainable Cities), and SDG 13 (Climate Action).

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