| Reservoir capacity dated 05-Feb | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Reservoir | Total capacity (mcft) | Capacity on mcft | |||||||
| 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | ||
| Poondi | 3231.00 | - | 5.42 | - | 100.00 | 83.80 | - | 88.70 | 100.00 |
| Redhills | 3300.00 | - | 20.94 | - | 98.21 | 94.30 | - | 79.40 | 97.50 |
| Cholavaram | 1081.00 | - | 4.44 | - | 81.50 | 81.60 | - | 71.40 | 15.40 |
| Chembarampakkam | 3645.00 | - | 1.26 | - | 95.67 | 92.80 | - | 83.90 | 87.90 |
| Thervoy Kandigai | 500.00 | - | - | - | - | 100.00 | - | 98.20 | 93.60 |
| Kuppanatham | 700.00 | - | - | - | - | 100.00 | - | 62.20 | 100.00 |
| Mirugandanadhi | 87.23 | - | - | - | - | 94.70 | - | 62.30 | 97.90 |
| Shenbagathope | 287.20 | - | - | - | - | 78.30 | - | 70.40 | 95.40 |
| Mordhana | 261.36 | - | - | - | - | 100.00 | - | 98.90 | 25.10 |
| Rajathopekanar | 20.52 | - | - | - | - | 100.00 | - | 14.60 | 18.60 |
| Vidur | 605.00 | - | - | - | - | 85.10 | - | 66.90 | 94.80 |
| Thumbalahalli | 131.00 | - | - | - | - | 0.00 | - | 26.80 | 0.00 |
| Vaaniar | 418.00 | - | - | - | - | 98.80 | - | 41.40 | 100.00 |
| Varattar Vallima | 110.33 | - | - | - | - | 100.00 | - | 50.50 | 100.00 |
| Kelavarapalli | 481.00 | - | - | - | - | 69.40 | - | 10.40 | 73.60 |
| Krishnagiri | 1666.30 | - | 25.03 | - | 84.98 | 94.80 | - | 86.80 | 97.20 |
| Pambar | 280.00 | - | - | - | - | 98.70 | - | 86.40 | 93.10 |
| Sulagirichinnar | 81.20 | - | - | - | - | 97.30 | - | 9.50 | 20.70 |
| Andiappanur Odai | 112.20 | - | - | - | - | 100.00 | - | 88.90 | 100.00 |
| Sathanur | 7321.00 | - | 35.12 | - | 78.60 | 49.30 | - | 82.30 | 99.10 |
| Kariakovil | 190.00 | - | - | - | - | 100.00 | - | 45.90 | 100.00 |
| Anaimadavu | 267.00 | - | - | - | - | 99.40 | - | 20.00 | 100.00 |
| Gomuki | 560.96 | - | - | - | - | 77.50 | - | 42.30 | 74.70 |
| Manimukthanadhi | 736.50 | - | - | - | - | 65.70 | - | 64.10 | 73.00 |
| Willingdon | 2580.00 | - | - | - | - | 59.90 | - | 34.50 | 67.40 |
| Chinnar | 500.00 | - | - | - | - | 38.70 | - | 67.20 | 77.50 |
| Kesarigulli | 134.00 | - | - | - | - | 68.60 | - | 43.10 | 43.10 |
| Nagavathi | 156.03 | - | - | - | - | 96.90 | - | 20.70 | 25.50 |
| Thoppaiyar | 298.00 | - | - | - | - | 59.10 | - | 9.90 | 98.60 |
| Mettur | 93470.00 | - | 35.39 | - | 77.30 | 81.50 | - | 34.50 | 84.60 |
| Bhavani | 32800.00 | - | 57.41 | - | 80.64 | 83.20 | - | 45.60 | 73.10 |
| Varattupallam | 139.60 | - | - | - | - | 100.00 | - | 87.10 | 81.50 |
| Perumpallam | 115.81 | - | - | - | - | 88.00 | - | 6.70 | 47.40 |
| Gunderipallam | 108.21 | - | - | - | - | 100.00 | - | 89.40 | 99.60 |
| Noyyal Orathupalayam | 616.00 | - | - | - | - | 0.70 | - | 0.60 | 1.00 |
| Uppar | 576.00 | - | - | - | - | 94.00 | - | 6.60 | 27.00 |
| Amaravathi | 4047.00 | - | 6.89 | - | 97.58 | 67.40 | - | 83.70 | 69.90 |
| Nallathangal Odai | 223.01 | - | - | - | - | 23.50 | - | 11.40 | 10.60 |
| Vattamalaikarai | 268.00 | - | - | - | - | 69.80 | - | 2.30 | 31.40 |
| Noyyal Athupalayam | 235.52 | - | - | - | - | 51.40 | - | 39.10 | 63.00 |
| Ponnaiyar | 119.70 | - | - | - | - | 27.60 | - | 10.40 | 42.00 |
| Palar Perunthalar | 1524.00 | - | - | - | - | 83.10 | - | 81.30 | 80.80 |
| Parappalar | 197.95 | - | - | - | - | 97.80 | - | 43.90 | 54.40 |
| Varadhamanadhi | 110.50 | - | - | - | - | 71.10 | - | 96.80 | 89.00 |
| Nanganjiar | 254.38 | - | - | - | - | 96.70 | - | 33.00 | 47.10 |
| Kodaganar | 434.04 | - | - | - | - | 56.70 | - | 83.60 | 90.80 |
| Kuthiraiyar | 253.00 | - | - | - | - | 88.40 | - | 95.10 | 78.80 |
| Uppar Trichy | 80.00 | - | - | - | - | 0.00 | - | 0.00 | 4.10 |
| Siddhamalli | 226.80 | - | - | - | - | 59.00 | - | 0.00 | 17.80 |
| Veeranam | 1465.00 | - | 87.92 | - | 36.31 | 60.90 | - | 16.70 | 87.60 |
| Lower Nirar | 275.00 | - | - | - | - | 39.90 | - | 38.20 | 38.00 |
| Upper Nirar | 39.00 | - | - | - | - | 0.00 | - | 0.00 | 0.00 |
| Sholayar | 5046.00 | - | 46.89 | - | 12.74 | 61.90 | - | 1.70 | 8.30 |
| Parambikulam | 13408.00 | - | 69.71 | - | 79.08 | 90.40 | - | 54.90 | 95.00 |
| Thunakadavu Peruvaripalla | 1177.00 | - | - | - | - | 99.20 | - | 94.70 | 99.70 |
| Aliyar | 3864.00 | - | 18.19 | - | 80.07 | 60.00 | - | 35.10 | 56.80 |
| Thirumurthi | 1744.00 | - | 74.14 | - | 67.26 | 70.30 | - | 72.80 | 82.20 |
| Periyar dam | 7666.00 | - | 26.28 | - | 64.32 | 71.30 | - | 72.60 | 34.20 |
| Vaigai | 6091.00 | - | 34.03 | - | 91.40 | 92.00 | - | 91.30 | 76.20 |
| Shanmuganadhi | 79.57 | - | - | - | - | 21.20 | - | 81.80 | 44.30 |
| Manjalar | 487.00 | - | - | - | - | 65.40 | - | 83.60 | 50.60 |
| Sothuparai | 100.00 | - | - | - | - | 86.10 | - | 100.00 | 65.30 |
| Marudhanadhi | 188.50 | - | - | - | - | 82.90 | - | 82.90 | 71.60 |
| Sirumalaiyar | 15.50 | - | - | - | - | 20.60 | - | 93.30 | 57.20 |
| Sathaiyyar | 56.00 | - | - | - | - | 83.90 | - | 95.30 | 100.00 |
| Pilavukkal Periyar | 192.00 | - | - | - | - | 43.20 | - | 59.40 | 35.70 |
| Pilavukkal Kovilar | 133.00 | - | - | - | - | 20.00 | - | 67.60 | 21.90 |
| Sasthakovil | 36.47 | - | - | - | - | 92.10 | - | 86.80 | 43.20 |
| Vembakottai | 398.70 | - | - | - | - | 66.90 | - | 91.40 | 69.70 |
| Anaikuttam | 125.75 | - | - | - | - | 1.00 | - | 27.40 | 0.00 |
| Kullursandai | 126.78 | - | - | - | - | 96.80 | - | 99.90 | 97.60 |
| Golwarpatti | 176.00 | - | - | - | - | 26.30 | - | 80.60 | 47.20 |
| Irrukkangudi | 500.00 | - | - | - | - | 58.00 | - | 65.00 | 55.00 |
| Adavinainar kovil | 174.00 | - | - | - | - | 23.60 | - | 61.00 | 25.20 |
| Gundar | 18.43 | - | - | - | - | 84.40 | - | 88.30 | 94.10 |
| Karuppanadhi | 120.84 | - | - | - | - | 63.50 | - | 75.50 | 45.00 |
| Gatana | 335.00 | - | - | - | - | 26.70 | - | 70.10 | 29.30 |
| Ramanadhi | 119.80 | - | - | - | - | 18.50 | - | 78.90 | 34.50 |
| Manimuthar | 5511.00 | - | 56.18 | - | 94.39 | 87.20 | - | 95.40 | 64.50 |
| Vadakku Pachaiyaru | 442.00 | - | - | - | - | 92.80 | - | 95.90 | 2.60 |
| Vandal Odai | 58.00 | - | - | - | - | 78.10 | - | 100.00 | 100.00 |
| Nambiar | 82.17 | - | - | - | - | 60.90 | - | 53.90 | 21.20 |
| Kodumudiyar | 121.84 | - | - | - | - | 33.60 | - | 20.00 | 9.40 |
| Pechipparai | 4350.00 | - | 3.45 | - | 85.54 | 93.40 | - | 85.80 | 60.70 |
| Perunchani | 2890.00 | - | 38.69 | - | 71.59 | 21.80 | - | 64.90 | 21.50 |
| Chittar I | 393.00 | - | - | - | - | 90.70 | - | 78.40 | 38.30 |
| Chittar II | 600.00 | - | - | - | - | 91.60 | - | 79.70 | 40.60 |
| Mabazhathuraiyar | 44.54 | - | - | - | - | 38.90 | - | 67.30 | 75.90 |
| Poigaiyar | 104.85 | - | - | - | - | 60.50 | - | 28.40 | 23.30 |