| 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 | 2323.72 ft | 2395.00 | 2401.00 | 2402.00 | 372.61 | 25.53 | 1.00 | 11.54 | 4.69 | – | – | 4.69 | 21.60 | |
| 2 | IDAMALAYAR | EKM | 169.00 | 169.00 | 136.52 | 167.50 | 168.00 | 168.50 | 244.36 | 24.01 | 0.87 | 10.05 | 2.99 | – | – | 2.99 | 30.80 | |
| 3 | KAKKI – ANATHODE | PTTA | 981.46 | 981.46 | 944.13 | 979.46 | 980.46 | 980.96 | 81.37 | 18.22 | 0.82 | 9.49 | 3.05 | – | – | 3.05 | 3.00 | |
| 4 | BANASURASAGAR (K A S) | WND | 775.60 | 775.60 | 756.70 | 774.10 | 774.60 | 775.10 | 24.75 | 12.31 | 0.02 | 0.24 | – | – | 0.00 | 0.00 | Tunnel fully opened on 27.01.2026 at 9.10am. Tunnel discharge-0.81 MCM. River Sluice / day – 0.011MCM | |
| 5 | SHOLAYAR | TSR | 2663.00 ft | 2598.40 ft | 2658.00 | 2660.00 | 2661.00 | 28.09 | 18.84 | 0.48 | 5.56 | 1.31 | – | – | 1.31 | 47.40 | ||
| 6 | MADUPETTY | IDK | 1599.59 | 1570.05 | 1596.00 | 1597.00 | 1598.00 | 4.69 | 8.56 | 0.26 | 3.02 | 0.00 | – | – | 0.00 | 38.00 | Sluice discharge = 0.6113MCM | |
| 7 | ANAYIRANKAL | IDK | 1207.02 | 1198.89 | 1205.02 | 1206.02 | 1207.02 | 19.38 | 38.89 | 1.10 | 12.79 | – | – | 0 | 25.00 | Sluice discharge = 1.71 MCM | ||
| 8 | PONMUDI | IDK | 707.75 | 690.05 | 704.50 | 705.50 | 706.50 | 14.11 | 29.77 | 0.75 | 8.63 | 1.09 | – | – | 1.09 | 5.00 | ||
| 9 | KUTTIYADI (KAKKAYAM) | KKD | 758.04 | 745.54 | 755.50 | 756.50 | 757.50 | 8.20 | 24.13 | 0.75 | 8.67 | 0.60 | – | – | 0.60 | 35.00 | ||
| 10 | PAMBA | PTTA | 986.33 | 963.50 | 982.00 | 983.50 | 984.50 | 0.24 | 0.77 | 0.00 | 0 | – | – | 0.00 | 19.00 | |||
| 11 | PORINGALKUTHU | TSR | 423.98 | 415.00 | 421.00 | 422.00 | 423.00 | 9.45 | 31.19 | 1.39 | 16.12 | 1.32 | – | – | 1.32 | 15.40 | ||
| 12 | KUNDALA | IDK | 1758.69 | 1757.45 | 1755.00 | 1756.00 | 1757.00 | 6.52 | 85.16 | 0.48 | 5.5 | 0.00 | 0.44 | 5.10 | 0.44 | 39.60 | Gate # 1,2,3,4&5- 30cm | |
| 13 | KALLARKUTTY | IDK | 456.59 | 454.20 | 455.00 | 4.95 | 77.00 | 1.90 | 21.99 | 1.74 | – | – | 1.74 | 12.00 | ||||
| 14 | ERATTAYAR | IDK | 754.38 | 746.00 | 748.28 | 0.69 | 13.02 | 0 | – | – | 0.00 | 0.00 | ||||||
| 15 | LOWER PERIYAR | IDK | 253 | 250.60 | 252.00 | 3.54 | 77.71 | 1.65 | 19.05 | 1.61 | – | – | 1.61 | 27.00 | ||||
| 16 | MOOZHIYAR | PTTA | 192.63 | 188.50 | 190.00 | 0.62 | 53.71 | 2.19 | 25.31 | 2.44 | – | – | 2.44 | 2.00 | ||||
| 17 | KALLAR | IDK | 824.48 | 819.60 | 823.50 | 0.16 | 21.28 | 0 | – | – | 0.00 | 0.00 | ||||||
| 18 | SENGULAM | IDK | 847.64 | 846.75 | 0.18 | 45.38 | 0.59 | 6.83 | 0.58 | – | – | 0.58 | 1.20 |
