| 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 | 2317.60 ft | 2395.00 | 2401.00 | 2402.00 | 311.01 | 21.31 | 0.86 | 9.99 | 2.35 | – | – | 2.35 | 0.00 | |
| 2 | IDAMALAYAR | EKM | 169.00 | 169.00 | 135.26 | 167.50 | 168.00 | 168.50 | 223.90 | 22.00 | 0.37 | 4.28 | 0.48 | – | – | 0.48 | 0.00 | |
| 3 | KAKKI – ANATHODE | PTTA | 981.46 | 981.46 | 938.13 | 979.46 | 980.46 | 980.96 | 57.52 | 12.88 | 0.37 | 4.27 | 0.84 | – | – | 0.84 | 2.00 | |
| 4 | BANASURASAGAR (K A S) | WND | 775.60 | 775.60 | 754.85 | 774.10 | 774.60 | 775.10 | 15.50 | 7.71 | 0.35 | 4.06 | – | – | 0.00 | 0.00 | Tunnel fully opened on 27.01.2026 at 9.10am. Tunnel discharge-0.69 MCM. River Sluice / day – 0.011MCM | |
| 5 | SHOLAYAR | TSR | 2663.00 ft | 2589.10 ft | 2658.00 | 2660.00 | 2661.00 | 18.72 | 12.56 | 0.48 | 5.52 | 1.02 | – | – | 1.02 | 0.00 | ||
| 6 | MADUPETTY | IDK | 1599.59 | 1571.40 | 1596.00 | 1597.00 | 1598.00 | 5.69 | 10.39 | 0.61 | 7.08 | 0.00 | – | – | 0.00 | 4.20 | Sluice discharge = 0.6113MCM | |
| 7 | ANAYIRANKAL | IDK | 1207.02 | 1194.98 | 1205.02 | 1206.02 | 1207.02 | 10.00 | 20.07 | 1.20 | 13.83 | – | – | 0 | 0.00 | Sluice discharge = 1.75 MCM | ||
| 8 | PONMUDI | IDK | 707.75 | 687.70 | 704.50 | 705.50 | 706.50 | 10.84 | 22.86 | 0.79 | 9.15 | 1.07 | – | – | 1.07 | 0.00 | ||
| 9 | KUTTIYADI (KAKKAYAM) | KKD | 758.04 | 746.91 | 755.50 | 756.50 | 757.50 | 10.30 | 30.30 | 0.69 | 7.95 | 0.47 | – | – | 0.47 | 1.00 | ||
| 10 | PAMBA | PTTA | 986.33 | 963.65 | 982.00 | 983.50 | 984.50 | 0.34 | 1.09 | 0.40 | 4.68 | – | – | 0.00 | 2.00 | |||
| 11 | PORINGALKUTHU | TSR | 423.98 | 414.15 | 421.00 | 422.00 | 423.00 | 8.17 | 26.96 | 0.57 | 6.65 | 0.50 | – | – | 0.50 | 0.00 | ||
| 12 | KUNDALA | IDK | 1758.69 | 1746.05 | 1755.00 | 1756.00 | 1757.00 | 1.27 | 16.65 | 0.28 | 3.25 | 0.00 | – | – | 0.00 | 1.40 | Sluice discharge = 0.6048 MCM. Gate # 1,2,3,4&5- 30cm | |
| 13 | KALLARKUTTY | IDK | 456.59 | 453.00 | 455.00 | 4.22 | 65.61 | 1.00 | 11.56 | 1.60 | – | – | 1.60 | 0.00 | ||||
| 14 | ERATTAYAR | IDK | 754.38 | 745.80 | 748.28 | 0.43 | 8.05 | 0 | – | – | 0.00 | 0.00 | ||||||
| 15 | LOWER PERIYAR | IDK | 253 | 249.10 | 252.00 | 2.94 | 64.59 | 0.94 | 10.87 | 1.21 | – | – | 1.21 | 0.00 | ||||
| 16 | MOOZHIYAR | PTTA | 192.63 | 187.75 | 190.00 | 0.54 | 46.90 | 0.95 | 10.96 | 0.86 | – | – | 0.86 | 0.00 | ||||
| 17 | KALLAR | IDK | 824.48 | 819.60 | 823.50 | 0.16 | 21.28 | 0 | – | – | 0.00 | 0.00 | ||||||
| 18 | SENGULAM | IDK | 847.64 | 846.65 | 0.15 | 39.49 | 0.55 | 6.35 | 0.60 | – | – | 0.60 | 0.00 |
