Centre Relaxes Construction Rules Along Ganga Floodplains

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Key takeaways

The government issued the River Ganga Authorities (Second Amendment) Order, 2026, replacing the 2016 blanket construction ban with a stratified approval framework under the Environment (Protection) Act, 1986.
Under Central Water Commission (CWC) guidelines, the Active Flood Plain submerges at least once every 5 years and retains strict construction prohibitions.
Construction is now permitted with official clearances in the Regulatory Zone (flooding once every 5 to 25 years) and the Warning Zone (flooding once every 25 to 100 years).
All infrastructure projects along the river require mandatory prior approval from the National Mission for Clean Ganga (NMCG).

The government released the River Ganga (Rejuvenation, Protection and Management) Authorities (Second Amendment) Order, 2026.
This new order amends the original 2016 framework that was notified under the Environment (Protection) Act, 1986.
This framework provides the core legal support for implementing the Namami Gange Programme.

The government removed the earlier blanket ban on construction along the Ganga riverbanks.
Authorities replaced the blanket ban with a tiered, approval-based system that allows controlled construction while maintaining environmental protection.
The government created three distinct floodplain zones based on flooding frequency guidelines from the Central Water Commission (CWC).
The Active Flood Plain submerges at least once every 5 years and remains under strict construction bans, with exceptions only for temporary setups like religious events.
The Regulatory Zone covers areas that flood once every 5 to 25 years, where construction is allowed if developers obtain official clearances.
The Warning Zone forms the outer band that floods once every 25 to 100 years, where building is permitted after getting proper approvals.
Developers must secure prior permission from the National Mission for Clean Ganga (NMCG) and local authorities before constructing riverfront projects, bridges, or roads.

The government stated that this amendment fixes a legal gap by defining the term active floodplain, which the 2016 framework left unclarified.
Official sources claim that these revised rules do not lower any existing environmental protection standards.
Environmental activists worry because activists frequently used the 2016 blanket ban in the National Green Tribunal (NGT) to stop harmful riverfront developments.