Kodaikanal Lake - Condition of The Lake

Condition of The Lake

Human health risk assessment of the physico-chemical parameters of the lake water reveals that:

1. As per microbial analysis, the water is not potable and needs to be processed prior to domestic use.
2. Several ecological factors have influenced the plankton diversity and abundance.
3. Eight aquatic macroinvertebrate taxa have been identified.
4. Tourists and nearby residents are causative factors for lake contamination and water pollution;
5. Encroachment of the banks of the lake by buildings has violated the court order which prohibits constructions within 200 ft from the banks of the lake;
6. The impact on the quality of water is transitory as compared to closed water body.
7. High pollution loads of organic matter from hotels and other commercial establishments around the lake are causing pollution.
8. A study conducted by the Department of Atomic Energy confirmed that Kodaikanal Lake has been contaminated by mercury emissions.