| Sl. No. | Name of Reservoir | District | FRL (metre) | Rule level (metre) | Water level on date (metre) | Blue Alert level (metre) | Orange Alert level (metre) | Red Alert Level (metre) | Live Storage (MCM) | % Storage | Inflow (MCM) | Average Inflow (Cumecs) | Power House Discharge (MCM) | Spill (MCM) | Current Spillway release (Cumecs) | Total Outflow (MCM) | Rain fall (mm) | Remarks |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17=14+15 | 18 | 19 |
| 1 | IDUKKI | IDK | 2403.00 ft | 2403.00 ft | 2322.70 ft | 2395.00 | 2401.00 | 2402.00 | 361.71 | 24.78 | 0.92 | 10.69 | 6.54 | – | – | 6.54 | 1.00 | |
| 2 | IDAMALAYAR | EKM | 169.00 | 169.00 | 136.29 | 167.50 | 168.00 | 168.50 | 240.22 | 23.60 | 1.02 | 11.77 | 2.97 | – | – | 2.97 | 4.60 | |
| 3 | KAKKI – ANATHODE | PTTA | 981.46 | 981.46 | 943.02 | 979.46 | 980.46 | 980.96 | 76.58 | 17.15 | 0.75 | 8.65 | 3.17 | – | – | 3.17 | 8.00 | |
| 4 | BANASURASAGAR (K A S) | WND | 775.60 | 775.60 | 756.50 | 774.10 | 774.60 | 775.10 | 23.55 | 11.72 | 0.23 | 2.67 | – | – | 0.00 | 6.80 | Tunnel fully opened on 27.01.2026 at 9.10am. Tunnel discharge-0.82MCM. River Sluice / day – 0.011MCM | |
| 5 | SHOLAYAR | TSR | 2663.00 ft | 2596.90 ft | 2658.00 | 2660.00 | 2661.00 | 26.37 | 17.69 | 0.49 | 5.64 | 1.39 | – | – | 1.39 | 1.00 | ||
| 6 | MADUPETTY | IDK | 1599.59 | 1569.95 | 1596.00 | 1597.00 | 1598.00 | 4.24 | 7.74 | 0.76 | 8.81 | 0.00 | – | – | 0.00 | 5.20 | Sluice discharge = 0.6113MCM | |
| 7 | ANAYIRANKAL | IDK | 1207.02 | 1198.33 | 1205.02 | 1206.02 | 1207.02 | 17.59 | 35.31 | 1.06 | 12.23 | – | – | 0 | 1.00 | Sluice discharge = 1.98 MCM | ||
| 8 | PONMUDI | IDK | 707.75 | 690.10 | 704.50 | 705.50 | 706.50 | 14.18 | 29.92 | 1.16 | 13.42 | 1.16 | – | – | 1.16 | 0.00 | ||
| 9 | KUTTIYADI (KAKKAYAM) | KKD | 758.04 | 745.30 | 755.50 | 756.50 | 757.50 | 7.83 | 23.05 | 0.95 | 11 | 0.74 | – | – | 0.74 | 1.00 | ||
| 10 | PAMBA | PTTA | 986.33 | 963.65 | 982.00 | 983.50 | 984.50 | 0.34 | 1.09 | 0.36 | 4.21 | – | – | 0.00 | 16.00 | |||
| 11 | PORINGALKUTHU | TSR | 423.98 | 414.80 | 421.00 | 422.00 | 423.00 | 9.15 | 30.20 | 1.74 | 20.13 | 1.74 | – | – | 1.74 | 8.20 | ||
| 12 | KUNDALA | IDK | 1758.69 | 1756.15 | 1755.00 | 1756.00 | 1757.00 | 5.66 | 73.99 | 0.41 | 4.71 | 0.00 | 0.44 | 5.10 | 0.44 | 0.20 | Sluice discharge = 0.576MCM. Gate # 1,2,3,4&5- 30cm | |
| 13 | KALLARKUTTY | IDK | 456.59 | 453.30 | 455.00 | 4.38 | 68.12 | 1.28 | 14.76 | 1.78 | – | – | 1.78 | 0.00 | ||||
| 14 | ERATTAYAR | IDK | 754.38 | 745.90 | 748.28 | 0.67 | 12.64 | 0 | – | – | 0.00 | 0.00 | ||||||
| 15 | LOWER PERIYAR | IDK | 253 | 249.10 | 252.00 | 2.94 | 64.59 | 1.63 | 18.91 | 1.79 | – | – | 1.79 | 2.00 | ||||
| 16 | MOOZHIYAR | PTTA | 192.63 | 189.80 | 190.00 | 0.77 | 66.55 | 2.77 | 32.09 | 2.31 | – | – | 2.31 | 8.00 | ||||
| 17 | KALLAR | IDK | 824.48 | 819.60 | 823.50 | 0.16 | 21.28 | 0 | – | – | 0.00 | 0.00 | ||||||
| 18 | SENGULAM | IDK | 847.64 | 847.00 | 0.24 | 60.51 | 0.61 | 7.05 | 0.57 | – | – | 0.57 | 1.40 |
