Kosasthalaiyar River facts for kids
The Kosasthalaiyar River is an important river in Chennai, a big city in India. It's one of three main rivers that flow through the Chennai Metropolitan area. This river is about 136 kilometers (84 miles) long. It plays a key role in the water supply for the region.
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About the Kosasthalaiyar River
The Kosasthalaiyar River begins its journey near a place called Pallipattu in the Thiruvallur District. As it flows, it collects water from a large area.
Where Does the River Flow?
The Kosasthalaiyar River has a smaller river that joins it. This smaller river is called the Nagari River. The Nagari River starts in Chitoor district in Andhra Pradesh. It then flows into the main Kosasthalaiyar River at the Poondi Resorvoir. The Kosasthalaiyar River also flows near Pulicat Lake.
The River's Water Area
The area where the Kosasthalaiyar River collects its water is called its catchment area. This is like a giant bowl that gathers all the rainfall and sends it into the river. The Kosasthalaiyar River's catchment area covers parts of several districts. These include Vellore, Chitoor, North Arcot, Thiruvallur, and Chennai districts.
How Much Water Does It Carry?
Rivers carry different amounts of water depending on the season. The discharge capacity is how much water the river can carry normally. For the Kosasthalaiyar River, this is about 110,000 cubic meters per second. During heavy rains or floods, the river can carry even more water. Its flood discharge capacity is about 125,000 cubic meters per second. This means it can handle a lot of water without overflowing too much.
