Water Quality Assessment of the Central Himalayan Lake, Nainital
Table 3
Suitable interventions for the remediation of the Nainital Lake water.
Sr. number
Techniques
Discussion
1
Afforestation
Control soil erosion from nearby hills, which further helps in controlling turbidity of the lake water.
2
Phytoremediation
Growing common aquatic plants like bulrush, water hyacinth, duckweed, hydrilla, and lotus in the catchment area and inside the Nainital Lake will help in the removal of heavy metals from the surface runoff and lake water.
3
Sediment basin
Basin is rectangular in shape, formed by excavation or by constructing embankment. It reduces water flow by trapping maximum amount of sediments having efficiency of settling particle of size up to 0.005 mm, thereby making downstream water free from debris.
