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Mysuru's Hebbal Lake Chokes on Sewage
23 Jun
Summary
- Sewage inflow and plastic waste reported in Mysuru's Hebbal Lake.
- Pollution indicators BOD, COD, and suspended solids exceed limits.
- Activists urge immediate measures to prevent sewage entering the lake.

Concerns are mounting over the deteriorating condition of Hebbal Lake in Mysuru, a significant local water body. Recent observations revealed a strong stench and visible signs of pollution, primarily from sewage entering the lake via storm-water drains, alongside accumulating plastic waste. Despite a substantial past investment by the Infosys Foundation for its rejuvenation and the installation of a sewage treatment plant (STP), the lake's water quality is reportedly poor.
Water quality readings from Monday indicated that critical pollution markers are alarmingly high. Biochemical Oxygen Demand (BOD) registered at 44.2 mg/l, Chemical Oxygen Demand (COD) at 295 mg/l, and suspended solids at 51.9 mg/l, all far surpassing the limits set by KSPCB norms. These elevated levels pose a significant threat to the lake's aquatic life and dependent bird populations.
Environmental activists are urging the Mysuru City Corporation (MCC) to take immediate action to halt sewage discharge and implement permanent solutions. They are also encouraging public participation in protecting this vital ecosystem. The matter has been brought to the attention of the Regional Commissioner and MCC Administrator, Nitesh Patil, to ensure swift and effective restoration measures are implemented.