Tamil Nadu Dam Levels (July 18th, 2024): Know The Water Levels In TN Dams
Water levels in most dams across Tamil Nadu have risen significantly in the past 24 hours due to heavy rainfall in several parts of the state on Tuesday, July 17.
Data from the agriculture department shows an increase in water levels in all major dams, including Aliyar, Amaravathi, Bhavanisagar, Krishnagiri, and Mettur.

Tamil Nadu's extensive network of dams plays a crucial role in managing the state's water resources. These engineering marvels are vital for the region's water supply, drinking water needs, and electricity production.
The state has 116 large dams, with 78 operated and maintained by the Tamil Nadu Water Resources Department (TNWRD). Iconic structures like the Mettur Dam on the Cauvery River and the Vaigai Dam at the foothills of the Western Ghats are essential lifelines for agriculture, power generation, and water supply.
Despite occasional disputes, the Mullaperiyar Dam remains pivotal to Tamil Nadu's water security. These dams regulate river flows, manage floods and droughts, and contribute significantly to the state's socio-economic development by facilitating irrigation, supplying drinking water, and generating hydropower.
| Reservoirs | Current Storage (M.Cft) | Current Level (Feet) | Max Storage (M.Cft) | Max Level (Feet) |
|---|---|---|---|---|
| Aliyar | 2598 | 101.1 | 3864 | 120 |
| Amaravathi | 3443 | 83.17 | 4047 | 90 |
| Bhavanisagar | 14554 | 77.81 | 32800 | 105 |
| Krishnagiri | 1479 | 50.35 | 1666 | 52 |
| Manimuthar | 1718 | 72.8 | 5511 | 118 |
| Mettur | 17830 | 50.03 | 93470 | 120 |
| Papanasam | 3860 | 115.15 | 5500 | 143 |
| Parambikulam | 5005 | 31.3 | 13408 | 72 |
| Pechiparai | 3878 | 44.82 | 4350 | 48 |
| Periyar | 3899 | 126.3 | 10570 | 152 |
| Perunchani | 2507 | 73.15 | 2890 | 77 |
| Sathanur | 1642 | 81.55 | 7321 | 119 |
| Sholayar | 4543 | 150.82 | 5046 | 160 |
| Thirumoorthy | 602 | 28.34 | 1744 | 60 |
| Vaigai | 2370 | 52.72 | 6091 | 71 |












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