Government Notifies Buffer Zones Around Drains

Quick Summary

• Karnataka government issued a notification categorizing drains into three types: primary, secondary, and tertiary with prescribed uniform buffer zones for lakes and drains in Bengaluru Metropolitan Region.

– Buffer zones for drains: primary (15 mm), secondary (10 mm), tertiary (5 mm).
– Public objections or suggestions invited within 30 days to the Additional Chief Secretary, Urban Development Department.

• The Karnataka Tank Conservation and Development Authority (Amendment) Bill, 2025 proposes changes to tank buffer zones:

– Tanks <5 guntas: Buffer removed; - Tanks between five guntas-one acre: Three m buffer, one acre-10 acres: Six m buffer, 10 acres-25 acres: Thirteen m buffer, >100 acres tanks: Thirty m buffer.

• Reduction proposed in canal buffer zones:

Primary canals reduced from thirty meters to fifteen meters;
Secondary canals reduced from fifteen meters to ten metres;
Tertiary narrows canals realsigned ten -five.
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