| 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 | 2360.90 ft | 2395.00 | 2401.00 | 2402.00 | 805.02 | 55.16 | 0.62 | 7.2 | 5.52 | – | – | 5.52 | 10.60 | |
| 2 | IDAMALAYAR | EKM | 169.00 | 169.00 | 148.92 | 167.50 | 168.00 | 168.50 | 490.94 | 48.24 | 0.28 | 3.19 | 3.10 | – | – | 3.10 | 0.00 | |
| 3 | KAKKI – ANATHODE | PTTA | 981.46 | 981.46 | 967.41 | 979.46 | 980.46 | 980.96 | 249.56 | 55.89 | 0.69 | 8.03 | 2.34 | – | – | 2.34 | 6.00 | |
| 4 | BANASURASAGAR (K A S) | WND | 775.60 | 775.60 | 765.60 | 774.10 | 774.60 | 775.10 | 90.15 | 44.85 | 0.20 | 2.33 | – | – | 0.00 | 0.00 | Tunnel fully opened on 27.01.2026 at 9.10am. Tunnel discharge-0.79 MCM | |
| 5 | SHOLAYAR | TSR | 2663.00 ft | 2644.40 ft | 2658.00 | 2660.00 | 2661.00 | 102.53 | 68.77 | 0.20 | 2.37 | 1.08 | – | – | 1.08 | 0.00 | ||
| 6 | MADUPETTY | IDK | 1599.59 | 1591.85 | 1596.00 | 1597.00 | 1598.00 | 35.04 | 63.98 | 0.08 | 0.87 | 0.00 | – | – | 0.00 | 0.00 | ||
| 7 | ANAYIRANKAL | IDK | 1207.02 | 1207.05 | 1205.02 | 1206.02 | 1207.02 | 49.99 | 100.33 | 0.07 | 0.79 | 0.017 | 0.20 | 0.017 | 15.00 | |||
| 8 | PONMUDI | IDK | 707.75 | 707.00 | 704.50 | 705.50 | 706.50 | 45.50 | 95.98 | 0.41 | 4.79 | 0.00 | 0.41 | 4.79 | 0.41 | 0.00 | ||
| 9 | KUTTIYADI (KAKKAYAM) | KKD | 758.04 | 754.99 | 755.50 | 756.50 | 757.50 | 26.36 | 77.58 | 0.97 | 11.24 | 0.97 | – | – | 0.97 | 0.00 | ||
| 10 | PAMBA | PTTA | 986.33 | 967.55 | 982.00 | 983.50 | 984.50 | 3.73 | 11.97 | 0.29 | 3.38 | – | – | 0.00 | 0.00 | |||
| 11 | PORINGALKUTHU | TSR | 423.98 | 418.30 | 421.00 | 422.00 | 423.00 | 15.75 | 51.98 | 1.17 | 13.5 | 1.06 | – | – | 1.06 | 0.00 | ||
| 12 | KUNDALA | IDK | 1758.69 | 1758.40 | 1755.00 | 1756.00 | 1757.00 | 7.20 | 94.12 | 0.00 | 0 | 0.00 | – | – | 0.00 | 0.00 | ||
| 13 | KALLARKUTTY | IDK | 456.59 | 454.30 | 455.00 | 5.01 | 77.98 | 1.23 | 14.2 | 0.75 | – | – | 0.75 | 0.00 | ||||
| 14 | ERATTAYAR | IDK | 754.38 | 746.60 | 748.28 | 0.81 | 15.33 | 0 | – | – | 0.00 | 0.00 | ||||||
| 15 | LOWER PERIYAR | IDK | 253 | 251.10 | 252.00 | 3.74 | 82.24 | 0.81 | 9.41 | 0.48 | – | – | 0.48 | 0.00 | ||||
| 16 | MOOZHIYAR | PTTA | 192.63 | 188.35 | 190.00 | 0.61 | 52.24 | 1.90 | 21.97 | 1.92 | – | – | 1.92 | 0.00 | ||||
| 17 | KALLAR | IDK | 824.48 | 819.40 | 823.50 | 0.15 | 19.74 | 0 | – | – | 0.00 | 0.00 | ||||||
| 18 | SENGULAM | IDK | 847.64 | 846.75 | 0.18 | 45.38 | 0.70 | 8.08 | 0.78 | – | – | 0.78 | 0.00 |
