Dams in Tamil Nadu
Dam questions are matching questions. This is the pairing table, with the one-line fact that distinguishes each dam.
Syllabus: GS Unit II (Geography: water resources)
| Dam | River | District / note |
|---|---|---|
| Mettur (Stanley Reservoir) | Cauvery | Salem; opened 1934, TN's key irrigation reservoir |
| Bhavanisagar | Bhavani | Erode; among the largest earthen dams |
| Vaigai | Vaigai | Theni; feeds Madurai belt irrigation |
| Amaravathi | Amaravathi | Tiruppur (Udumalpet) |
| Sathanur | Thenpennai | Tiruvannamalai |
| Krishnagiri | Thenpennai | Krishnagiri |
| Papanasam | Thamirabarani | Tirunelveli |
| Manimuthar | Manimuthar (Thamirabarani trib.) | Tirunelveli |
| Aliyar | Aliyar | Coimbatore (Pollachi) |
| Sholayar | Sholayar | Coimbatore; among India's deeper dams |
| Parambikulam | Parambikulam | Part of the Parambikulam-Aliyar project with Kerala |
| Mullaperiyar | Periyar | Located in Kerala, operated by Tamil Nadu, a standing inter-state topic |
Frequently asked questions
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Compiled from official Tamil Nadu government sources and standard references. Time-sensitive counts carry an as-of note on the page. Sources: TNPSC official notifications. Figures are indicative and may change with each official notification. Data last reviewed: July 2026.
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