Singanallur Lake is a lake in Coimbatore, South India. It is spread over an area of 1.153 km2 and has a median depth of 4.25 m. It is one of the 9 big lakes in the city. The lake is fed via canals derived from Noyyal river. The lake additionally receives water from Sanganur drain and sewage water. The water may be launched via two sluice gates at the lake. In 2010, pipes have been laid to connecting the lake to Valankulam Lake to drain extra water at some point of floods.
The lake possessed the high alkalinity stages of 386.61 mg/L. Eichornia crassipes is the main aquatic plant species causing eutrophication of the lake. The insect species included four orders Orthoptera, Coleoptera, Hemiptera and Odonata. Dragonfly populace changed into additionally high inside the lake. Fishing is finished through neighborhood fishermen and fanatics. In the 2000s, because of encroachment and the fishes had been infected with metals and pathogens from polluted waste water discharged from the sewage.