Dahisar River
Dahisar River is a river on Salsette island that runs through Dahisar, a suburb of Mumbai, India. It originates in the Tulsi Lake in Sanjay Gandhi National Park in the northern reaches of the city. The River flows roughly North-West for a total of 12 kilometres through the localities of the National Park, Sri Krishna Nagar, Daulatnagar, Leprosy Colony, Kandar Pada, Sanjay Nagar, and Dahisar Gaothan before meeting the Arabian sea via the Manori Creek. Its total Catchment area is 3488 hectares. The river was once so picturesque that Hindi films were shot here. Till the late 1960s, crocodiles were witnessed to be residing the river. The river is now highly polluted with the dumping of industrial effluents from workshops, and sewage from slums and stormwater drains into it. In recent times it had narrowed down, and became more shallow due to the presence of the accumulation of silt, debris and plastic bags. After the 2005 Maharashtra floods, where more than a 100 people died, the BMC has undertaken a desilting and widening project to clean up the river and prevent future flooding. Encroachments Unregulated urbanisation has resulted in severe environmental degradation like the narrowing of riverbanks for housing at