| 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 | 2317.94 ft | 2395.00 | 2401.00 | 2402.00 | 314.11 | 21.52 | 0.99 | 11.49 | 3.75 | – | – | 3.75 | 4.20 | |
| 2 | IDAMALAYAR | EKM | 169.00 | 169.00 | 135.22 | 167.50 | 168.00 | 168.50 | 223.30 | 21.94 | 1.08 | 12.45 | 2.10 | – | – | 2.10 | 0.00 | |
| 3 | KAKKI – ANATHODE | PTTA | 981.46 | 981.46 | 938.40 | 979.46 | 980.46 | 980.96 | 58.49 | 13.10 | 0.91 | 10.54 | 2.42 | – | – | 2.42 | 8.00 | |
| 4 | BANASURASAGAR (K A S) | WND | 775.60 | 775.60 | 755.20 | 774.10 | 774.60 | 775.10 | 16.75 | 8.33 | 0.02 | 0.24 | – | – | 0.00 | 0.00 | Tunnel fully opened on 27.01.2026 at 9.10am. Tunnel discharge-0..74 MCM. River Sluice / day – 0.011MCM | |
| 5 | SHOLAYAR | TSR | 2663.00 ft | 2589.90 ft | 2658.00 | 2660.00 | 2661.00 | 19.45 | 13.05 | 0.39 | 4.47 | 1.20 | – | – | 1.20 | 5.00 | ||
| 6 | MADUPETTY | IDK | 1599.59 | 1571.35 | 1596.00 | 1597.00 | 1598.00 | 5.64 | 10.30 | 0.81 | 9.39 | 0.00 | – | – | 0.00 | 34.60 | Sluice discharge = 0.6113MCM | |
| 7 | ANAYIRANKAL | IDK | 1207.02 | 1195.67 | 1205.02 | 1206.02 | 1207.02 | 11.20 | 22.47 | 1.25 | 14.41 | – | – | 0 | 4.00 | Sluice discharge = 1.8 MCM | ||
| 8 | PONMUDI | IDK | 707.75 | 688.40 | 704.50 | 705.50 | 706.50 | 11.81 | 24.92 | 1.10 | 12.73 | 1.66 | – | – | 1.66 | 11.00 | ||
| 9 | KUTTIYADI (KAKKAYAM) | KKD | 758.04 | 746.09 | 755.50 | 756.50 | 757.50 | 9.02 | 26.55 | 1.06 | 12.3 | 0.47 | – | – | 0.47 | 14.00 | ||
| 10 | PAMBA | PTTA | 986.33 | 963.65 | 982.00 | 983.50 | 984.50 | 0.34 | 1.09 | 0.40 | 4.59 | – | – | 0.00 | 3.00 | |||
| 11 | PORINGALKUTHU | TSR | 423.98 | 414.10 | 421.00 | 422.00 | 423.00 | 8.10 | 26.73 | 2.64 | 30.57 | 0.99 | – | – | 0.99 | 20.00 | ||
| 12 | KUNDALA | IDK | 1758.69 | 1748.25 | 1755.00 | 1756.00 | 1757.00 | 1.99 | 26.01 | 0.31 | 3.64 | 0.00 | – | – | 0.00 | 58.80 | Sluice discharge = 0.6048 MCM. Gate # 1,2,3,4&5- 30cm | |
| 13 | KALLARKUTTY | IDK | 456.59 | 453.60 | 455.00 | 4.57 | 71.07 | 2.46 | 28.43 | 2.16 | – | – | 2.16 | 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 | 248.40 | 252.00 | 2.67 | 58.59 | 2.20 | 25.44 | 2.08 | – | – | 2.08 | 4.00 | ||||
| 16 | MOOZHIYAR | PTTA | 192.63 | 185.90 | 190.00 | 0.36 | 30.60 | 1.65 | 19.15 | 2.00 | – | – | 2.00 | 10.00 | ||||
| 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 | 46.15 | 0.62 | 7.23 | 0.66 | – | – | 0.66 | 2.00 |
