| Reservoir capacity dated 17-Apr | ||||||||
|---|---|---|---|---|---|---|---|---|
| Reservoir | Total capacity (mcft) | Capacity on mcft | ||||||
| 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | ||
| Poondi | 3231.00 | - | 7.99 | - | 47.97 | 58.00 | 43.20 | 39.40 |
| Redhills | 3300.00 | - | 6.27 | - | 91.15 | 87.70 | 72.90 | 85.10 |
| Cholavaram | 1081.00 | - | 2.41 | - | 67.99 | 31.50 | 74.40 | 19.90 |
| Chembarampakkam | 3645.00 | - | 0.14 | - | 82.00 | 70.90 | 80.10 | 69.80 |
| Thervoy Kandigai | 500.00 | - | - | - | - | 96.40 | 96.20 | 80.80 |
| Kuppanatham | 700.00 | - | - | - | - | 74.00 | 59.30 | 15.30 |
| Mirugandanadhi | 87.23 | - | - | - | - | 78.00 | 66.00 | 41.90 |
| Shenbagathope | 287.20 | - | - | - | - | 64.10 | 81.70 | 47.60 |
| Mordhana | 261.36 | - | - | - | - | 100.00 | 98.90 | 51.90 |
| Rajathopekanar | 20.52 | - | - | - | - | 73.90 | 1.40 | 14.60 |
| Vidur | 605.00 | - | - | - | - | 29.60 | 20.00 | 22.20 |
| Thumbalahalli | 131.00 | - | - | - | - | 0.00 | 58.70 | 19.90 |
| Vaaniar | 418.00 | - | - | - | - | 14.30 | 25.80 | 0.00 |
| Varattar Vallima | 110.33 | - | - | - | - | 96.60 | 8.20 | 40.30 |
| Kelavarapalli | 481.00 | - | - | - | - | 65.40 | 79.80 | 9.90 |
| Krishnagiri | 1666.30 | - | 3.30 | - | 33.37 | 43.70 | 73.20 | 39.60 |
| Pambar | 280.00 | - | - | - | - | 55.60 | 56.90 | 32.90 |
| Sulagirichinnar | 81.20 | - | - | - | - | 60.10 | 86.60 | 6.00 |
| Andiappanur Odai | 112.20 | - | - | - | - | 83.30 | 87.50 | 64.50 |
| Sathanur | 7321.00 | - | 11.95 | - | 36.99 | 31.30 | 58.10 | 22.80 |
| Kariakovil | 190.00 | - | - | - | - | 89.20 | 28.30 | 9.70 |
| Anaimadavu | 267.00 | - | - | - | - | 86.70 | 11.80 | 5.00 |
| Gomuki | 560.96 | - | - | - | - | 23.70 | 0.00 | 0.00 |
| Manimukthanadhi | 736.50 | - | - | - | - | 9.90 | 0.00 | 3.10 |
| Willingdon | 2580.00 | - | - | - | - | 21.90 | 18.40 | 11.90 |
| Chinnar | 500.00 | - | - | - | - | 16.50 | 56.30 | 12.60 |
| Kesarigulli | 134.00 | - | - | - | - | 48.90 | 75.50 | 34.20 |
| Nagavathi | 156.03 | - | - | - | - | 45.80 | 62.70 | 18.10 |
| Thoppaiyar | 298.00 | - | - | - | - | 13.60 | 21.90 | 7.60 |
| Mettur | 93470.00 | - | 22.68 | - | 66.24 | 76.10 | 72.80 | 23.20 |
| Bhavani | 32800.00 | - | 18.24 | - | 65.99 | 52.80 | 59.50 | 11.10 |
| Varattupallam | 139.60 | - | - | - | - | 64.50 | 65.90 | 26.60 |
| Perumpallam | 115.81 | - | - | - | - | 75.10 | 73.80 | 0.10 |
| Gunderipallam | 108.21 | - | - | - | - | 90.40 | 88.40 | 44.80 |
| Noyyal Orathupalayam | 616.00 | - | - | - | - | 1.40 | 0.90 | 0.10 |
| Uppar | 576.00 | - | - | - | - | 43.40 | 7.90 | 2.80 |
| Amaravathi | 4047.00 | - | 5.88 | - | 91.48 | 36.00 | 27.60 | 22.30 |
| Nallathangal Odai | 223.01 | - | - | - | - | 7.70 | 59.60 | 6.50 |
| Vattamalaikarai | 268.00 | - | - | - | - | 12.80 | 2.30 | 0.30 |
| Noyyal Athupalayam | 235.52 | - | - | - | - | 13.10 | 27.60 | 1.90 |
| Ponnaiyar | 119.70 | - | - | - | - | 24.30 | 16.80 | 8.40 |
| Palar Perunthalar | 1524.00 | - | - | - | - | 37.40 | 35.90 | 20.20 |
| Parappalar | 197.95 | - | - | - | - | 73.70 | 74.10 | 30.60 |
| Varadhamanadhi | 110.50 | - | - | - | - | 37.20 | 19.00 | 24.60 |
| Nanganjiar | 254.38 | - | - | - | - | 80.30 | 84.00 | 28.10 |
| Kodaganar | 434.04 | - | - | - | - | 32.40 | 22.20 | 60.20 |
| Kuthiraiyar | 253.00 | - | - | - | - | 63.30 | 45.70 | 36.70 |
| Uppar Trichy | 80.00 | - | - | - | - | 0.00 | 5.70 | 0.00 |
| Siddhamalli | 226.80 | - | - | - | - | 16.10 | 0.00 | 0.00 |
| Veeranam | 1465.00 | - | 97.54 | - | 0.00 | 31.80 | 44.70 | 0.00 |
| Lower Nirar | 275.00 | - | - | - | - | 39.00 | 38.80 | 37.80 |
| Upper Nirar | 39.00 | - | - | - | - | 0.80 | 0.00 | 0.00 |
| Sholayar | 5046.00 | - | 0.91 | - | 0.59 | 6.00 | 2.20 | 0.90 |
| Parambikulam | 13408.00 | - | 38.36 | - | 47.20 | 68.00 | 16.80 | 16.30 |
| Thunakadavu Peruvaripalla | 1177.00 | - | - | - | - | 99.50 | 79.00 | 84.40 |
| Aliyar | 3864.00 | - | 15.30 | - | 53.26 | 32.90 | 16.30 | 9.20 |
| Thirumurthi | 1744.00 | - | 75.86 | - | 34.58 | 57.60 | 36.20 | 33.10 |
| Periyar dam | 7666.00 | - | 16.27 | - | 51.42 | 55.50 | 25.10 | 23.10 |
| Vaigai | 6091.00 | - | 16.16 | - | 70.53 | 87.10 | 42.60 | 57.20 |
| Shanmuganadhi | 79.57 | - | - | - | - | 23.60 | 22.60 | 21.20 |
| Manjalar | 487.00 | - | - | - | - | 26.50 | 31.90 | 39.40 |
| Sothuparai | 100.00 | - | - | - | - | 64.70 | 23.10 | 67.50 |
| Marudhanadhi | 188.50 | - | - | - | - | 47.50 | 45.20 | 39.80 |
| Sirumalaiyar | 15.50 | - | - | - | - | 0.00 | 0.00 | 0.00 |
| Sathaiyyar | 56.00 | - | - | - | - | 63.90 | 43.00 | 14.20 |
| Pilavukkal Periyar | 192.00 | - | - | - | - | 23.60 | 21.00 | 29.50 |
| Pilavukkal Kovilar | 133.00 | - | - | - | - | 14.70 | 5.50 | 57.80 |
| Sasthakovil | 36.47 | - | - | - | - | 52.30 | 11.50 | 20.40 |
| Vembakottai | 398.70 | - | - | - | - | 58.80 | 42.90 | 60.70 |
| Anaikuttam | 125.75 | - | - | - | - | 0.90 | 0.00 | 3.90 |
| Kullursandai | 126.78 | - | - | - | - | 91.70 | 74.90 | 88.00 |
| Golwarpatti | 176.00 | - | - | - | - | 14.50 | 19.00 | 26.90 |
| Irrukkangudi | 500.00 | - | - | - | - | 44.40 | 14.20 | 44.10 |
| Adavinainar kovil | 174.00 | - | - | - | - | 2.40 | 0.00 | 21.20 |
| Gundar | 18.43 | - | - | - | - | 0.40 | 13.10 | 1.90 |
| Karuppanadhi | 120.84 | - | - | - | - | 23.70 | 0.20 | 23.70 |
| Gatana | 335.00 | - | - | - | - | 2.90 | 3.50 | 3.70 |
| Ramanadhi | 119.80 | - | - | - | - | 0.00 | 1.70 | 13.10 |
| Manimuthar | 5511.00 | - | 36.84 | - | 57.03 | 45.70 | 33.40 | 54.50 |
| Vadakku Pachaiyaru | 442.00 | - | - | - | - | 16.20 | 2.10 | 4.90 |
| Vandal Odai | 58.00 | - | - | - | - | 2.10 | 18.20 | 100.00 |
| Nambiar | 82.17 | - | - | - | - | 21.20 | 19.00 | 20.50 |
| Kodumudiyar | 121.84 | - | - | - | - | 29.80 | 7.40 | 7.70 |
| Pechipparai | 4350.00 | - | 1.43 | - | 73.56 | 70.60 | 59.60 | 81.40 |
| Perunchani | 2890.00 | - | 4.84 | - | 35.09 | 8.30 | 13.90 | 27.20 |
| Chittar I | 393.00 | - | - | - | - | 42.00 | 35.80 | 41.80 |
| Chittar II | 600.00 | - | - | - | - | 44.60 | 38.10 | 44.40 |
| Mabazhathuraiyar | 44.54 | - | - | - | - | 11.10 | 8.00 | 27.60 |
| Poigaiyar | 104.85 | - | - | - | - | 30.90 | 20.90 | 25.10 |