Bengaluru lets its sewage into valleys, rivers and lakes. Little sewage is processed, while much of it is unprocessed in nature. Navin, a villager from K Channasandra, believes that the Maragondanahalli Lake is the savior for the villagers and their animals. Pic: Perumal Venkatesan Rampura Valley is one of the valley systems of Bengaluru in the north east of the city. This valley gets a mix of treated and untreated water from the raja kaluve (storm water drain) sewage treatment plant, which has 40 MLD capacity and uses Extended Aeration Process. The wastewater from north-eastern parts of Bangalore flows into…
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