Man-Made Lakes Constructed for Irrigation and Drinking Water Do Not Qualify as ‘Wetlands’ Under 2017 Rules; Non-Permanent Recreational Structures Permissible

Introduction

The Supreme Court has dismissed a public interest challenge to recreational and beautification projects undertaken at Futala Lake in Nagpur, holding that a man-made lake constructed for irrigation and drinking water purposes does not fall within the statutory definition of a “wetland” under the Wetlands (Conservation and Management) Rules, 2017. The Court clarified that where a waterbody is expressly excluded from the statutory framework, the prohibitions applicable to protected wetlands cannot be mechanically extended to it.

At the same time, the Court emphasised that even man-made lakes are subject to the public trust doctrine and must be preserved in a manner that balances environmental protection with public utility. Upholding the Bombay High Court’s judgment, the Court held that temporary and removable recreational structures, constructed after obtaining requisite approvals and without causing ecological harm, do not violate environmental safeguards.

Case Background

The case arose from a public interest litigation filed by Swacch Association, a Nagpur-based organisation engaged in environmental advocacy. The Association challenged various recreational and beautification projects undertaken around Futala Lake, also known as Telangkhedi Tank, a prominent waterbody in Nagpur.

The challenged projects included the installation of a musical fountain, a floating restaurant, an artificial banyan tree used as a multimedia projection structure, a viewers’ gallery, and a parking plaza. The petitioner alleged that these structures amounted to permanent construction within a protected wetland and were in violation of the Wetlands (Conservation and Management) Rules, 2017, development control regulations, and the public trust doctrine.

The petitioner relied upon the inclusion of Futala Lake in the National Wetland Inventory and Assessment and contended that such identification brought the lake within the protective regime of the 2017 Rules. It was further alleged that the constructions would irreversibly damage the ecological character of the lake.

What the Lower Authorities Held

The Bombay High Court examined the nature of Futala Lake and the applicable statutory framework. It held that Futala Lake did not fall within the definition of “wetland” under Rule 2(1)(g) of the 2017 Rules, as it was a man-made lake constructed for irrigation and drinking water purposes.

However, the High Court took note of the lake’s inclusion in the National Wetland Inventory and Assessment and adopted a precautionary approach. While refusing to order demolition of the structures, it directed the authorities to ensure that no permanent construction was undertaken within the lake and that its ecological character was preserved. The High Court emphasised the need to balance environmental protection with public interest and utility.

Aggrieved by the refusal to grant the reliefs sought, the petitioner approached the Supreme Court.

The Court’s Reasoning

Nature and Origin of Futala Lake

The Supreme Court examined the historical and factual record relating to Futala Lake. It noted that the lake was constructed in 1799 as a man-made reservoir intended to meet irrigation and drinking water needs. The Court observed that the lake was not a natural waterbody and that its origin and purpose were undisputed.

This factual determination assumed significance in view of the statutory definition under the 2017 Rules, which expressly excludes certain categories of man-made waterbodies from the scope of “wetlands”.

Nature of the Impugned Structures

The Court then examined each of the impugned constructions. It recorded that all requisite permissions and no-objection certificates had been obtained from competent authorities, including municipal, environmental, heritage, and planning bodies.

The Court accepted the respondents’ submissions that the viewers’ gallery was constructed on the bund road without disturbing the embankment and within permissible height limits. The parking plaza was located in a dry zone and was consistent with applicable planning norms.

Importantly, the Court found that the floating restaurant and the artificial banyan tree were not embedded into the lakebed. These structures did not rest on permanent foundations and were capable of being removed without altering the lake’s physical structure.

Temporary vs Permanent Construction

Addressing the petitioner’s argument that the artificial banyan tree constituted a permanent structure, the Court held that permanence must be assessed on objective criteria such as foundational support and irreversibility. A structure does not become permanent merely because it is visually prominent or technologically advanced.

Since the impugned installations were removable and did not involve excavation or foundational alteration of the lakebed, they could not be classified as permanent constructions.

Applicability of Wetland Rules

Turning to the core legal issue, the Court held that Futala Lake was excluded from the definition of “wetland” under Rule 2(1)(g) of the 2017 Rules. Consequently, the prohibitions contained in Rule 4 could not be applied as a matter of statutory mandate.

The Court rejected the argument that inclusion in the National Wetland Inventory automatically conferred statutory wetland status. It clarified that executive inventories cannot override or expand statutory definitions framed under delegated legislation.

Environmental Balance and Judicial Restraint

While holding that the 2017 Rules did not strictly apply, the Court endorsed the High Court’s cautious and balanced approach. It recognised that environmental protection principles could still guide judicial oversight even where statutory prohibitions were inapplicable.

The Court observed that the High Court’s directions restraining permanent construction and emphasising ecological preservation reflected a judicious balance between development and environmental protection.

Statutory Interpretation

The Court undertook a detailed interpretation of Rule 2(1)(g) of the Wetlands (Conservation and Management) Rules, 2017. While the definition of “wetland” is broad, it expressly excludes human-made waterbodies constructed for drinking water, irrigation, aquaculture, recreation, or salt production.

The Court emphasised that such exclusions are deliberate and must be given full effect. Courts cannot read into the statute what the rule-making authority has consciously excluded. Statutory interpretation must respect the text and structure of delegated legislation.

At the same time, the Court clarified that exclusion from the statutory definition does not imply immunity from environmental scrutiny. Other legal principles, including environmental jurisprudence and the public trust doctrine, continue to apply depending on the facts of each case.

Constitutional and Policy Context

The judgment engages with the public trust doctrine, which flows from constitutional principles enshrined in Articles 48A and 51A(g) of the Constitution. The Court reiterated that natural resources, including waterbodies, are held by the State in trust for the benefit of the public.

Significantly, the Court extended this doctrine to man-made waterbodies that draw upon natural resources and serve public purposes. It held that such lakes must be preserved and managed responsibly, even when statutory wetland protection does not apply.

The Court also highlighted the principle of sustainable development, observing that public enjoyment and recreational use are not inherently inconsistent with environmental protection. What is impermissible is irreversible ecological damage or unregulated exploitation.

Why This Judgment Matters

This judgment provides important clarity on the scope of wetland protection under the 2017 Rules, particularly in urban settings where man-made lakes often serve multiple functions. It draws a clear distinction between statutory wetland protection and broader environmental governance.

For environmental litigants, the decision underscores the necessity of grounding challenges within the precise contours of statutory definitions. For public authorities, it affirms that recreational development around waterbodies is permissible when carried out responsibly and with due regard to environmental safeguards.

The ruling also illustrates the judiciary’s role in mediating between environmental protection and urban development, avoiding absolutist positions while safeguarding ecological interests.

Final Outcome

The Supreme Court dismissed the appeal and upheld the judgment of the Bombay High Court. It affirmed the directions requiring authorities to ensure that no permanent construction is undertaken within Futala Lake and that the lake’s ecological character is preserved.

All interlocutory applications were disposed of, and the Court expressed hope that Futala Lake would continue to serve environmental, cultural, and recreational purposes without ecological degradation.

Case Details

• Case Title: Swacch Association, Nagpur v. State of Maharashtra & Ors.
• Citation: 2025 INSC 1199
• Court & Bench: Supreme Court of India (B.R. Gavai CJI, K. Vinod Chandran J., N.V. Anjaria J.)
• Date of Judgment: 7 October 2025