Poondi reservoir
Tamil Nadu, India
Sathyamoorthy Saagar, also known as Poondy Reservoir, is the reservoir constructed across Kotralai (alias) Kosasthalai River in Tiruvallur district of Tamil Nadu state in India. It acts as the important drinking water source for Chennai Municipal Corporation which is located 60 km away from the lake.
Reservoir data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).