| 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 | 2317.78 ft | 2395.00 | 2401.00 | 2402.00 | 312.65 | 21.42 | 0.86 | 9.97 | 2.16 | – | – | 2.16 | 2.40 | |
| 2 | IDAMALAYAR | EKM | 169.00 | 169.00 | 135.27 | 167.50 | 168.00 | 168.50 | 224.05 | 22.01 | 1.24 | 14.38 | 0.37 | – | – | 0.37 | 48.60 | |
| 3 | KAKKI – ANATHODE | PTTA | 981.46 | 981.46 | 938.26 | 979.46 | 980.46 | 980.96 | 57.99 | 12.99 | 0.92 | 10.68 | 1.42 | – | – | 1.42 | 8.00 | |
| 4 | BANASURASAGAR (K A S) | WND | 775.60 | 775.60 | 755.00 | 774.10 | 774.60 | 775.10 | 15.85 | 7.89 | 0.02 | 0.24 | – | – | 0.00 | 5.60 | Tunnel fully opened on 27.01.2026 at 9.10am. Tunnel discharge-0.7 MCM. River Sluice / day – 0.011MCM | |
| 5 | SHOLAYAR | TSR | 2663.00 ft | 2589.70 ft | 2658.00 | 2660.00 | 2661.00 | 19.27 | 12.93 | 0.13 | 1.47 | 0.30 | – | – | 0.30 | 20.00 | ||
| 6 | MADUPETTY | IDK | 1599.59 | 1571.40 | 1596.00 | 1597.00 | 1598.00 | 5.69 | 10.39 | 0.66 | 7.65 | 0.00 | – | – | 0.00 | 34.60 | Sluice discharge = 0.6113MCM | |
| 7 | ANAYIRANKAL | IDK | 1207.02 | 1195.30 | 1205.02 | 1206.02 | 1207.02 | 10.56 | 21.18 | 1.11 | 12.83 | – | – | 0 | 0.00 | Sluice discharge = 1.8 MCM | ||
| 8 | PONMUDI | IDK | 707.75 | 687.90 | 704.50 | 705.50 | 706.50 | 11.12 | 23.45 | 0.73 | 8.47 | 1.43 | – | – | 1.43 | 9.00 | ||
| 9 | KUTTIYADI (KAKKAYAM) | KKD | 758.04 | 746.70 | 755.50 | 756.50 | 757.50 | 9.96 | 29.30 | 1.25 | 14.52 | 0.32 | – | – | 0.32 | 78.00 | ||
| 10 | PAMBA | PTTA | 986.33 | 963.65 | 982.00 | 983.50 | 984.50 | 0.34 | 1.09 | 0.40 | 4.66 | – | – | 0.00 | 9.00 | |||
| 11 | PORINGALKUTHU | TSR | 423.98 | 414.10 | 421.00 | 422.00 | 423.00 | 8.10 | 26.73 | 0.48 | 5.61 | 0.48 | – | – | 0.48 | 7.40 | ||
| 12 | KUNDALA | IDK | 1758.69 | 1747.15 | 1755.00 | 1756.00 | 1757.00 | 1.60 | 20.89 | 0.21 | 2.46 | 0.00 | – | – | 0.00 | 0.20 | Sluice discharge = 0.6048 MCM. Gate # 1,2,3,4&5- 30cm | |
| 13 | KALLARKUTTY | IDK | 456.59 | 454.00 | 455.00 | 4.82 | 75.02 | 2.08 | 24.04 | 1.82 | – | – | 1.82 | 11.00 | ||||
| 14 | ERATTAYAR | IDK | 754.38 | 745.80 | 748.28 | 0.43 | 8.05 | 0 | – | – | 0.00 | 0.00 | ||||||
| 15 | LOWER PERIYAR | IDK | 253 | 249.80 | 252.00 | 3.21 | 70.59 | 2.77 | 32.01 | 2.22 | – | – | 2.22 | 33.00 | ||||
| 16 | MOOZHIYAR | PTTA | 192.63 | 186.40 | 190.00 | 0.41 | 34.91 | 0.75 | 8.73 | 1.18 | – | – | 1.18 | 12.00 | ||||
| 17 | KALLAR | IDK | 824.48 | 819.60 | 823.50 | 0.16 | 21.28 | 0 | – | – | 0.00 | 0.00 | ||||||
| 18 | SENGULAM | IDK | 847.64 | 846.85 | 0.20 | 51.54 | 0.78 | 9.02 | 0.76 | – | – | 0.76 | 6.90 |
