| Reservoir capacity dated 30-May | |||||||
|---|---|---|---|---|---|---|---|
| Reservoir | Total capacity (mcft) | Capacity on mcft | |||||
| 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | ||
| Poondi | 3231.00 | - | 1.98 | - | 14.10 | 35.90 | 35.10 |
| Redhills | 3300.00 | - | 0.09 | - | 84.60 | 93.30 | 68.20 |
| Cholavaram | 1081.00 | - | 0.19 | - | 58.50 | 12.30 | 65.50 |
| Chembarampakkam | 3645.00 | - | 0.03 | - | 81.70 | 79.50 | 64.60 |
| Thervoy Kandigai | 500.00 | - | - | - | - | 89.60 | 92.00 |
| Kuppanatham | 700.00 | - | - | - | - | 38.70 | 18.20 |
| Mirugandanadhi | 87.23 | - | - | - | - | 66.90 | 64.20 |
| Shenbagathope | 287.00 | - | - | - | - | 46.70 | 22.20 |
| Mordhana | 261.36 | - | - | - | - | 100.00 | 100.00 |
| Rajathopekanar | 20.52 | - | - | - | - | 54.50 | 1.40 |
| Vidur | 605.00 | - | - | - | - | 17.40 | 8.90 |
| Thumbalahalli | 131.00 | - | - | - | - | 0.00 | 39.70 |
| Vaaniar | 418.00 | - | - | - | - | 28.50 | 12.70 |
| Varattar Vallima | 110.33 | - | - | - | - | 11.80 | 9.00 |
| Kelavarapalli | 481.00 | - | - | - | - | 62.50 | 75.70 |
| Krishnagiri | 1666.30 | - | 23.29 | - | 37.60 | 86.20 | 76.90 |
| Pambar | 280.00 | - | - | - | - | 36.90 | 32.20 |
| Sulagirichinnar | 81.20 | - | - | - | - | 55.20 | 100.00 |
| Andiappanur Odai | 112.20 | - | - | - | - | 83.00 | 88.10 |
| Sathanur | 7321.00 | - | 11.19 | - | 20.80 | 28.20 | 63.10 |
| Kariakovil | 190.00 | - | - | - | - | 89.10 | 28.90 |
| Anaimadavu | 267.00 | - | - | - | - | 40.00 | 17.80 |
| Gomuki | 560.96 | - | - | - | - | 22.80 | 0.00 |
| Manimukthanadhi | 736.50 | - | - | - | - | 2.30 | 0.00 |
| Willingdon | 2580.00 | - | - | - | - | 12.70 | 25.00 |
| Chinnar | 500.00 | - | - | - | - | 25.40 | 68.10 |
| Kesarigulli | 134.00 | - | - | - | - | 47.40 | 73.30 |
| Nagavathi | 156.03 | - | - | - | - | 14.80 | 30.50 |
| Thoppaiyar | 298.00 | - | - | - | - | 16.60 | 10.00 |
| Mettur | 93470.00 | - | 17.00 | - | 65.90 | 95.00 | 74.70 |
| Bhavani | 32800.00 | - | 16.17 | - | 64.70 | 52.20 | 51.10 |
| Varattupallam | 139.60 | - | - | - | - | 96.70 | 52.40 |
| Perumpallam | 115.81 | - | - | - | - | 51.90 | 63.40 |
| Gunderipallam | 108.21 | - | - | - | - | 49.50 | 66.60 |
| Noyyal Orathupalayam | 616.00 | - | - | - | - | 0.70 | 1.50 |
| Uppar | 576.00 | - | - | - | - | 39.90 | 7.90 |
| Amaravathi | 4047.00 | - | 6.40 | - | 64.60 | 45.50 | 50.10 |
| Nallathangal Odai | 223.01 | - | - | - | - | 6.50 | 38.50 |
| Vattamalaikarai | 268.00 | - | - | - | - | 2.30 | 2.30 |
| Noyyal Athupalayam | 235.52 | - | - | - | - | 13.90 | 25.80 |
| Ponnaiyar | 119.70 | - | - | - | - | 23.30 | 17.00 |
| Palar Perunthalar | 1524.00 | - | - | - | - | 33.00 | 26.70 |
| Parappalar | 197.95 | - | - | - | - | 68.10 | 38.30 |
| Varadhamanadhi | 110.50 | - | - | - | - | 100.20 | 69.00 |
| Nanganjiar | 254.38 | - | - | - | - | 72.70 | 36.10 |
| Kodaganar | 434.04 | - | - | - | - | 32.40 | 39.00 |
| Kuthiraiyar | 253.00 | - | - | - | - | 54.40 | 46.60 |
| Uppar Trichy | 80.00 | - | - | - | - | 0.00 | 5.70 |
| Siddhamalli | 226.80 | - | - | - | - | 12.40 | 0.00 |
| Veeranam | 1465.00 | - | 53.11 | - | 0.00 | 11.30 | 20.60 |
| Lower Nirar | 275.00 | - | - | - | - | 39.90 | 38.20 |
| Upper Nirar | 39.00 | - | - | - | - | 1.00 | 0.00 |
| Sholayar | 5046.00 | - | 4.78 | - | 7.50 | 28.70 | 2.50 |
| Parambikulam | 13408.00 | - | 16.01 | - | 31.10 | 56.40 | 14.00 |
| Thunakadavu Peruvaripalla | 1177.00 | - | - | - | - | 76.30 | 34.80 |
| Aliyar | 3864.00 | - | 13.85 | - | 51.90 | 59.40 | 23.70 |
| Thirumurthi | 1744.00 | - | 15.94 | - | 49.30 | 38.00 | 30.40 |
| Periyar dam | 7666.00 | - | 16.06 | - | 64.60 | 68.10 | 30.40 |
| Vaigai | 6091.00 | - | 10.18 | - | 83.10 | 69.70 | 38.90 |
| Shanmuganadhi | 79.57 | - | - | - | - | 25.90 | 29.00 |
| Manjalar | 487.00 | - | - | - | - | 35.00 | 42.60 |
| Sothuparai | 100.00 | - | - | - | - | 52.90 | 47.40 |
| Marudhanadhi | 188.50 | - | - | - | - | 31.10 | 44.80 |
| Sirumalaiyar | 15.50 | - | - | - | - | 0.00 | 0.00 |
| Sathaiyyar | 56.00 | - | - | - | - | 48.40 | 63.90 |
| Pilavukkal Periyar | 192.00 | - | - | - | - | 16.90 | 43.60 |
| Pilavukkal Kovilar | 133.00 | - | - | - | - | 15.70 | 5.50 |
| Sasthakovil | 36.47 | - | - | - | - | 4.10 | 1.20 |
| Vembakottai | 398.70 | - | - | - | - | 47.50 | 41.70 |
| Anaikuttam | 125.75 | - | - | - | - | 0.90 | 0.00 |
| Kullursandai | 126.78 | - | - | - | - | 86.90 | 95.90 |
| Golwarpatti | 176.00 | - | - | - | - | 10.40 | 32.10 |
| Irrukkangudi | 500.00 | - | - | - | - | 33.90 | 13.50 |
| Adavinainar kovil | 174.00 | - | - | - | - | 15.50 | 3.90 |
| Gundar | 18.43 | - | - | - | - | 27.30 | 12.20 |
| Karuppanadhi | 120.84 | - | - | - | - | 11.20 | 5.70 |
| Gatana | 335.00 | - | - | - | - | 14.40 | 0.00 |
| Ramanadhi | 119.80 | - | - | - | - | 24.20 | 0.00 |
| Manimuthar | 5511.00 | - | 20.32 | - | 53.60 | 44.10 | 21.40 |
| Vadakku Pachaiyaru | 442.00 | - | - | - | - | 16.20 | 2.10 |
| Vandal Odai | 58.00 | - | - | - | - | 2.10 | 0.00 |
| Nambiar | 82.17 | - | - | - | - | 20.20 | 19.00 |
| Kodumudiyar | 121.84 | - | - | - | - | 68.10 | 7.40 |
| Pechipparai | 4350.00 | - | 3.45 | - | 86.10 | 90.30 | 73.70 |
| Perunchani | 2890.00 | - | 6.40 | - | 93.70 | 40.90 | 18.60 |
| Chittar I | 393.00 | - | - | - | - | 64.80 | 47.60 |
| Chittar II | 600.00 | - | - | - | - | 67.00 | 50.10 |
| Mabazhathuraiyar | 44.54 | - | - | - | - | 37.80 | 8.00 |
| Poigaiyar | 104.85 | - | - | - | - | 27.60 | 19.30 |