Archive · 4 Aug 2025
Karnataka Proposes Size-Based Buffer Zones for Water Bodies
Karnataka is changing the rules about how close you can build to lakes and streams.
Instead of one size fits all, the new plan uses different buffer zones depending on how big the water body is.
Small lakes get smaller buffer zones, and big lakes get bigger ones.
They also have new rules for drainage channels.
The goal is to protect water and allow for essential infrastructure like water pipes and sewage treatment while preventing flooding.
Karnataka proposed size-based buffer zones for water bodies, a first in India.
The KTCDA developed new buffer zones based on the size of water bodies.
The revision follows concerns from elected officials about the impracticality of a uniform rule.
The new rules aim to balance environmental protection with development.
Revised norms for nala (drainage channel) buffers are included.
- Who
- The Karnataka Tank Conservation and Development Authority (KTCDA).
- What
- Karnataka proposed a size-based buffer zone system for water bodies.
- When
- Recently.
- Where
- Karnataka
- Why
- To modify the buffer zone regulations based on the size of waterbodies and to bring uniformity, as well as to allow essential infrastructure while mitigating flood risks.
Concerns about Implementation
Support for Improved Regulations
Impact on Development
Concerns about Implementation
Some might argue the new regulations could allow more construction near water bodies, potentially affecting water quality.
Support for Improved Regulations
Proponents believe the changes support essential infrastructure and mitigate flood risks.
- Proposed Buffer Zone Sizes
- Varies from 0 to 30 meters based on water body size.
- Uniform Buffer Rule (Prior)
- 30 meters around all lakes
- Nala Buffer Zones (Proposed)
- 15m (primary), 10m (secondary), 5m (tertiary).
- Main Purpose
- Balance environmental protection with developmental needs
- Basis for the changes
- Consideration of inputs from local officials.