| 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 | 2319.38 ft | 2395.00 | 2401.00 | 2402.00 | 327.21 | 22.42 | 1.88 | 21.79 | 7.38 | – | – | 7.38 | 0.00 | |
| 2 | IDAMALAYAR | EKM | 169.00 | 169.00 | 135.49 | 167.50 | 168.00 | 168.50 | 227.35 | 22.34 | 1.35 | 15.65 | 3.28 | – | – | 3.28 | 6.20 | |
| 3 | KAKKI – ANATHODE | PTTA | 981.46 | 981.46 | 939.88 | 979.46 | 980.46 | 980.96 | 64.04 | 14.34 | 0.59 | 6.78 | 2.61 | – | – | 2.61 | 0.00 | |
| 4 | BANASURASAGAR (K A S) | WND | 775.60 | 775.60 | 755.65 | 774.10 | 774.60 | 775.10 | 19.05 | 9.48 | 0.10 | 1.17 | – | – | 0.00 | 0.00 | Tunnel fully opened on 27.01.2026 at 9.10am. Tunnel discharge-0..79 MCM. River Sluice / day – 0.011MCM | |
| 5 | SHOLAYAR | TSR | 2663.00 ft | 2592.20 ft | 2658.00 | 2660.00 | 2661.00 | 21.57 | 14.47 | 0.50 | 5.81 | 1.27 | – | – | 1.27 | 0.00 | ||
| 6 | MADUPETTY | IDK | 1599.59 | 1571.00 | 1596.00 | 1597.00 | 1598.00 | 5.29 | 9.66 | 0.71 | 8.23 | 0.00 | – | – | 0.00 | 0.00 | Sluice discharge = 0.6113MCM | |
| 7 | ANAYIRANKAL | IDK | 1207.02 | 1196.59 | 1205.02 | 1206.02 | 1207.02 | 12.79 | 25.67 | 1.29 | 14.87 | – | – | 0 | 0.00 | Sluice discharge = 1.84 MCM | ||
| 8 | PONMUDI | IDK | 707.75 | 689.40 | 704.50 | 705.50 | 706.50 | 13.21 | 27.86 | 0.80 | 9.25 | 0.73 | – | – | 0.73 | 0.00 | ||
| 9 | KUTTIYADI (KAKKAYAM) | KKD | 758.04 | 745.24 | 755.50 | 756.50 | 757.50 | 7.75 | 22.80 | 0.65 | 7.48 | 0.87 | – | – | 0.87 | 8.00 | ||
| 10 | PAMBA | PTTA | 986.33 | 963.65 | 982.00 | 983.50 | 984.50 | 0.34 | 1.09 | 0.39 | 4.49 | – | – | 0.00 | 0.00 | |||
| 11 | PORINGALKUTHU | TSR | 423.98 | 414.25 | 421.00 | 422.00 | 423.00 | 8.33 | 27.49 | 1.50 | 17.38 | 2.33 | – | – | 2.33 | 0.20 | ||
| 12 | KUNDALA | IDK | 1758.69 | 1750.95 | 1755.00 | 1756.00 | 1757.00 | 3.06 | 40.00 | 0.21 | 2.49 | 0.00 | – | – | 0.00 | 0.00 | Sluice discharge = 0.6048 MCM. Gate # 1,2,3,4&5- 30cm | |
| 13 | KALLARKUTTY | IDK | 456.59 | 453.50 | 455.00 | 4.51 | 70.09 | 1.86 | 21.54 | 1.62 | – | – | 1.62 | 0.00 | ||||
| 14 | ERATTAYAR | IDK | 754.38 | 745.90 | 748.28 | 0.45 | 8.41 | 0 | – | – | 0.00 | 0.00 | ||||||
| 15 | LOWER PERIYAR | IDK | 253 | 249.30 | 252.00 | 3.02 | 66.31 | 1.82 | 21.04 | 1.90 | – | – | 1.90 | 0.00 | ||||
| 16 | MOOZHIYAR | PTTA | 192.63 | 188.80 | 190.00 | 0.66 | 56.72 | 2.02 | 23.34 | 1.91 | – | – | 1.91 | 1.00 | ||||
| 17 | KALLAR | IDK | 824.48 | 819.60 | 823.50 | 0.16 | 21.28 | 0 | – | – | 0.00 | 0.00 | ||||||
| 18 | SENGULAM | IDK | 847.64 | 846.95 | 0.23 | 57.69 | 0.65 | 7.57 | 0.63 | – | – | 0.63 | 0.00 |
