| 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 | 2344.18 ft | 2395.00 | 2401.00 | 2402.00 | 597.83 | 40.96 | 0.91 | 10.53 | 6.68 | – | – | 6.68 | 0.00 | |
| 2 | IDAMALAYAR | EKM | 169.00 | 169.00 | 143.22 | 167.50 | 168.00 | 168.50 | 371.51 | 36.50 | 0.44 | 5.05 | 3.67 | – | – | 3.67 | 10.00 | |
| 3 | KAKKI – ANATHODE | PTTA | 981.46 | 981.46 | 959.99 | 979.46 | 980.46 | 980.96 | 182.52 | 40.88 | 0.94 | 10.92 | 2.81 | – | – | 2.81 | 18.00 | |
| 4 | BANASURASAGAR (K A S) | WND | 775.60 | 775.60 | 762.25 | 774.10 | 774.60 | 775.10 | 61.55 | 30.62 | 0.03 | 0.36 | – | – | 0.00 | 0.00 | Tunnel fully opened on 27.01.2026 at 9.10am. Tunnel discharge-0.82 MCM. River Sluice / day – 0.011MCM | |
| 5 | SHOLAYAR | TSR | 2663.00 ft | 2627.40 ft | 2658.00 | 2660.00 | 2661.00 | 69.37 | 46.53 | 0.39 | 4.54 | 1.09 | – | – | 1.09 | 5.00 | ||
| 6 | MADUPETTY | IDK | 1599.59 | 1585.45 | 1596.00 | 1597.00 | 1598.00 | 22.47 | 41.02 | 0.11 | 1.32 | 0.00 | – | – | 0.00 | 0.00 | Sluice discharge = 0.489 MCM | |
| 7 | ANAYIRANKAL | IDK | 1207.02 | 1206.77 | 1205.02 | 1206.02 | 1207.02 | 48.74 | 97.82 | 0.41 | 4.72 | – | – | 0 | 0.00 | |||
| 8 | PONMUDI | IDK | 707.75 | 692.10 | 704.50 | 705.50 | 706.50 | 17.29 | 36.47 | 0.42 | 4.9 | 1.13 | – | – | 1.13 | 1.00 | ||
| 9 | KUTTIYADI (KAKKAYAM) | KKD | 758.04 | 750.94 | 755.50 | 756.50 | 757.50 | 17.66 | 51.97 | 0.93 | 10.79 | 1.11 | – | – | 1.11 | 0.00 | ||
| 10 | PAMBA | PTTA | 986.33 | 963.25 | 982.00 | 983.50 | 984.50 | 0.06 | 0.19 | 0.00 | 0 | – | – | 0.00 | 0.00 | |||
| 11 | PORINGALKUTHU | TSR | 423.98 | 417.35 | 421.00 | 422.00 | 423.00 | 13.80 | 45.54 | 1.07 | 12.42 | 0.97 | – | – | 0.97 | 19.30 | ||
| 12 | KUNDALA | IDK | 1758.69 | 1758.25 | 1755.00 | 1756.00 | 1757.00 | 7.08 | 92.55 | 0.03 | 0.34 | 0.00 | 0.29 | 0.34 | 0.29 | 0.00 | Gate # 1 -10cm | |
| 13 | KALLARKUTTY | IDK | 456.59 | 453.90 | 455.00 | 4.76 | 74.03 | 1.58 | 18.23 | 1.42 | – | – | 1.42 | 0.00 | ||||
| 14 | ERATTAYAR | IDK | 754.38 | 746.30 | 748.28 | 0.75 | 14.17 | 0 | – | – | 0.00 | 0.00 | ||||||
| 15 | LOWER PERIYAR | IDK | 253 | 250.90 | 252.00 | 3.66 | 80.42 | 1.70 | 19.7 | 1.50 | – | – | 1.50 | 14.00 | ||||
| 16 | MOOZHIYAR | PTTA | 192.63 | 186.75 | 190.00 | 0.44 | 38.02 | 1.92 | 22.18 | 1.99 | – | – | 1.99 | 12.00 | ||||
| 17 | KALLAR | IDK | 824.48 | 819.40 | 823.50 | 0.13 | 17.43 | 0 | – | – | 0.00 | 0.00 | ||||||
| 18 | SENGULAM | IDK | 847.64 | 846.85 | 0.20 | 51.54 | 0.54 | 6.22 | 0.57 | – | – | 0.57 | 5.00 |
