| Reservoir capacity dated 09-May | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Reservoir | Total capacity (mcft) | Capacity on mcft | |||||||
| 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | ||
| Poondi | 3231.00 | - | 5.01 | - | 29.50 | 39.70 | 31.40 | 23.60 | 52.70 |
| Redhills | 3300.00 | - | 2.12 | - | 90.10 | 89.20 | 74.50 | 88.20 | 88.20 |
| Cholavaram | 1081.00 | - | 0.56 | - | 63.50 | 12.30 | 70.00 | 9.90 | 13.00 |
| Chembarampakkam | 3645.00 | - | 0.03 | - | 81.20 | 67.80 | 72.10 | 60.10 | 65.20 |
| Thervoy Kandigai | 500.00 | - | - | - | 89.80 | 93.20 | 93.80 | 73.00 | 65.20 |
| Kuppanatham | 700.00 | - | - | - | 17.30 | 17.70 | 30.80 | 15.10 | 17.10 |
| Mirugandanadhi | 87.23 | - | - | - | 7.10 | 68.80 | 66.90 | 17.80 | 26.80 |
| Shenbagathope | 287.20 | - | - | - | 64.60 | 59.00 | 73.40 | 18.40 | 48.10 |
| Mordhana | 261.36 | - | - | - | 98.90 | 100.00 | 100.00 | 11.90 | 25.90 |
| Rajathopekanar | 20.52 | - | - | - | 26.40 | 59.80 | 1.40 | 12.90 | 18.60 |
| Vidur | 605.00 | - | - | - | 37.10 | 18.90 | 14.30 | 16.00 | 22.60 |
| Thumbalahalli | 131.00 | - | - | - | 0.00 | 0.00 | 46.00 | 17.60 | 0.00 |
| Vaaniar | 418.00 | - | - | - | 8.30 | 14.20 | 9.20 | 0.00 | 3.00 |
| Varattar Vallima | 110.33 | - | - | - | 8.40 | 39.30 | 9.00 | 38.20 | 6.40 |
| Kelavarapalli | 481.00 | - | - | - | 39.10 | 73.50 | 83.40 | 19.90 | 75.70 |
| Krishnagiri | 1666.30 | - | 9.84 | - | 31.90 | 60.10 | 50.10 | 31.30 | 86.50 |
| Pambar | 280.00 | - | - | - | 33.40 | 36.90 | 41.00 | 11.40 | 52.30 |
| Sulagirichinnar | 81.20 | - | - | - | 23.00 | 55.80 | 80.10 | 5.10 | 16.10 |
| Andiappanur Odai | 112.20 | - | - | - | 61.80 | 81.00 | 91.30 | 59.00 | 72.40 |
| Sathanur | 7321.00 | - | 11.51 | - | 0.40 | 22.10 | 0.40 | 20.30 | 29.50 |
| Kariakovil | 190.00 | - | - | - | 19.60 | 86.80 | 32.20 | 9.10 | 50.80 |
| Anaimadavu | 267.00 | - | - | - | 50.80 | 77.90 | 15.50 | 4.90 | 42.70 |
| Gomuki | 560.96 | - | - | - | 18.00 | 13.30 | 0.00 | 0.00 | 10.90 |
| Manimukthanadhi | 736.50 | - | - | - | 24.90 | 2.80 | 0.00 | 2.30 | 29.80 |
| Willingdon | 2580.00 | - | - | - | 16.60 | 15.00 | 25.00 | 11.00 | 27.10 |
| Chinnar | 500.00 | - | - | - | 11.20 | 12.00 | 60.80 | 10.40 | 23.10 |
| Kesarigulli | 134.00 | - | - | - | 9.20 | 46.00 | 73.30 | 31.90 | 30.80 |
| Nagavathi | 156.03 | - | - | - | 32.00 | 30.80 | 42.70 | 16.80 | 19.70 |
| Thoppaiyar | 298.00 | - | - | - | 27.60 | 13.20 | 10.00 | 6.40 | 2.80 |
| Mettur | 93470.00 | - | 20.16 | - | 66.60 | 79.20 | 73.40 | 20.30 | 81.30 |
| Bhavani | 32800.00 | - | 15.07 | - | 62.90 | 49.30 | 52.90 | 10.10 | 31.60 |
| Varattupallam | 139.60 | - | - | - | 53.70 | 63.00 | 59.90 | 24.40 | 46.40 |
| Perumpallam | 115.81 | - | - | - | 20.40 | 56.90 | 70.70 | 0.00 | 38.70 |
| Gunderipallam | 108.21 | - | - | - | 100.00 | 64.10 | 69.50 | 19.40 | 33.60 |
| Noyyal Orathupalayam | 616.00 | - | - | - | 0.60 | 1.00 | 0.80 | 0.10 | 1.20 |
| Uppar | 576.00 | - | - | - | 15.30 | 40.00 | 7.90 | 0.90 | 11.40 |
| Amaravathi | 4047.00 | - | 5.81 | - | 58.70 | 38.00 | 44.20 | 17.70 | 26.30 |
| Nallathangal Odai | 223.01 | - | - | - | 9.40 | 7.00 | 54.30 | 4.90 | 4.90 |
| Vattamalaikarai | 268.00 | - | - | - | 0.00 | 12.60 | 2.30 | 0.30 | 6.10 |
| Noyyal Athupalayam | 235.52 | - | - | - | 26.90 | 11.60 | 26.00 | 1.70 | 14.50 |
| Ponnaiyar | 119.70 | - | - | - | 17.80 | 23.80 | 17.40 | 7.50 | 32.50 |
| Palar Perunthalar | 1524.00 | - | - | - | 38.30 | 36.60 | 28.10 | 14.20 | 15.20 |
| Parappalar | 197.95 | - | - | - | 85.40 | 69.20 | 60.60 | 27.10 | 50.90 |
| Varadhamanadhi | 110.50 | - | - | - | 21.70 | 71.90 | 43.40 | 19.90 | 100.00 |
| Nanganjiar | 254.38 | - | - | - | 44.90 | 76.80 | 47.70 | 20.60 | 38.30 |
| Kodaganar | 434.04 | - | - | - | 19.10 | 32.40 | 33.20 | 53.00 | 69.50 |
| Kuthiraiyar | 253.00 | - | - | - | 61.90 | 61.20 | 46.40 | 30.10 | 40.80 |
| Uppar Trichy | 80.00 | - | - | - | 0.00 | 0.00 | 5.70 | 0.00 | 0.00 |
| Siddhamalli | 226.80 | - | - | - | 0.00 | 15.10 | 0.00 | 0.00 | 0.00 |
| Veeranam | 1465.00 | - | 71.81 | - | 0.00 | 24.00 | 32.40 | 0.00 | 44.70 |
| Lower Nirar | 275.00 | - | - | - | 56.50 | 39.00 | 39.90 | 37.80 | 55.70 |
| Upper Nirar | 39.00 | - | - | - | 5.60 | 0.80 | 0.00 | 0.00 | 0.00 |
| Sholayar | 5046.00 | - | 3.82 | - | 0.50 | 6.80 | 2.80 | 1.00 | 0.40 |
| Parambikulam | 13408.00 | - | 24.75 | - | 34.10 | 58.10 | 14.00 | 10.80 | 42.00 |
| Thunakadavu Peruvaripalla | 1177.00 | - | - | - | 98.90 | 99.10 | 67.80 | 76.70 | 99.80 |
| Aliyar | 3864.00 | - | 18.69 | - | 55.80 | 42.00 | 26.20 | 20.00 | 27.40 |
| Thirumurthi | 1744.00 | - | 56.59 | - | 71.30 | 31.80 | 33.40 | 23.50 | 44.50 |
| Periyar dam | 7666.00 | - | 16.89 | - | 55.90 | 59.90 | 28.20 | 22.30 | 21.30 |
| Vaigai | 6091.00 | - | 12.76 | - | 66.60 | 86.30 | 38.40 | 49.10 | 44.50 |
| Shanmuganadhi | 79.57 | - | - | - | 67.30 | 25.90 | 22.80 | 21.20 | 56.70 |
| Manjalar | 487.00 | - | - | - | 55.70 | 30.50 | 40.50 | 39.40 | 32.20 |
| Sothuparai | 100.00 | - | - | - | 100.00 | 80.00 | 47.30 | 61.90 | 60.70 |
| Marudhanadhi | 188.50 | - | - | - | 30.80 | 40.60 | 46.00 | 30.80 | 51.20 |
| Sirumalaiyar | 15.50 | - | - | - | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 |
| Sathaiyyar | 56.00 | - | - | - | 3596.40 | 58.60 | 7242.90 | 12.30 | 54.90 |
| Pilavukkal Periyar | 192.00 | - | - | - | 44.30 | 16.30 | 38.20 | 26.40 | 27.90 |
| Pilavukkal Kovilar | 133.00 | - | - | - | 29.50 | 16.80 | 5.50 | 54.70 | 12.20 |
| Sasthakovil | 36.47 | - | - | - | 100.00 | 16.20 | 2.30 | 12.50 | 43.20 |
| Vembakottai | 398.70 | - | - | - | 8.30 | 53.60 | 44.60 | 49.80 | 49.50 |
| Anaikuttam | 125.75 | - | - | - | 0.00 | 0.90 | 1.00 | 1.00 | 0.00 |
| Kullursandai | 126.78 | - | - | - | 64.00 | 89.10 | 91.70 | 82.70 | 77.60 |
| Golwarpatti | 176.00 | - | - | - | 0.00 | 12.40 | 17.00 | 21.10 | 23.90 |
| Irrukkangudi | 500.00 | - | - | - | 0.00 | 39.30 | 13.60 | 36.00 | 29.40 |
| Adavinainar kovil | 174.00 | - | - | - | 0.00 | 7.10 | 1.00 | 16.20 | 0.00 |
| Gundar | 18.43 | - | - | - | 48.90 | 0.40 | 17.00 | 0.80 | 5.20 |
| Karuppanadhi | 120.84 | - | - | - | 34.80 | 17.00 | 5.70 | 11.50 | 0.20 |
| Gatana | 335.00 | - | - | - | 45.40 | 2.90 | 0.20 | 0.90 | 14.70 |
| Ramanadhi | 119.80 | - | - | - | 26.70 | 0.00 | 0.50 | 7.70 | 17.60 |
| Manimuthar | 5511.00 | - | 28.91 | - | 48.80 | 44.40 | 27.50 | 50.00 | 46.90 |
| Vadakku Pachaiyaru | 442.00 | - | - | - | 73.20 | 16.20 | 2.10 | 4.90 | 3.80 |
| Vandal Odai | 58.00 | - | - | - | 55.30 | 2.10 | 0.00 | 100.00 | 12.40 |
| Nambiar | 82.17 | - | - | - | 19.10 | 21.10 | 19.00 | 20.50 | 21.20 |
| Kodumudiyar | 121.84 | - | - | - | 3.30 | 33.20 | 7.40 | 6.60 | 14.30 |
| Pechipparai | 4350.00 | - | 1.20 | - | 79.10 | 78.20 | 67.60 | 86.70 | 56.20 |
| Perunchani | 2890.00 | - | 6.06 | - | 37.60 | 18.10 | 17.10 | 26.50 | 11.80 |
| Chittar I | 393.00 | - | - | - | 31.40 | 46.10 | 37.80 | 41.80 | 17.50 |
| Chittar II | 600.00 | - | - | - | 33.40 | 48.60 | 40.20 | 44.40 | 18.80 |
| Mabazhathuraiyar | 44.54 | - | - | - | 20.00 | 21.80 | 8.00 | 20.80 | 33.90 |
| Poigaiyar | 104.85 | - | - | - | 26.30 | 28.90 | 20.10 | 24.00 | 22.60 |