| 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 | 2320.80 ft | 2395.00 | 2401.00 | 2402.00 | 341.41 | 23.39 | 0.40 | 4.58 | 7.29 | – | – | 7.29 | 0.60 | |
| 2 | IDAMALAYAR | EKM | 169.00 | 169.00 | 135.74 | 167.50 | 168.00 | 168.50 | 231.10 | 22.71 | 0.45 | 5.26 | 2.83 | – | – | 2.83 | 5.80 | |
| 3 | KAKKI – ANATHODE | PTTA | 981.46 | 981.46 | 941.28 | 979.46 | 980.46 | 980.96 | 69.57 | 15.58 | 0.79 | 9.09 | 3.19 | – | – | 3.19 | 5.00 | |
| 4 | BANASURASAGAR (K A S) | WND | 775.60 | 775.60 | 756.10 | 774.10 | 774.60 | 775.10 | 21.15 | 10.52 | 0.02 | 0.24 | – | – | 0.00 | 0.00 | Tunnel fully opened on 27.01.2026 at 9.10am. Tunnel discharge-0.83MCM. River Sluice / day – 0.011MCM | |
| 5 | SHOLAYAR | TSR | 2663.00 ft | 2594.10 ft | 2658.00 | 2660.00 | 2661.00 | 23.44 | 15.72 | 0.51 | 5.92 | 1.43 | – | – | 1.43 | 1.00 | ||
| 6 | MADUPETTY | IDK | 1599.59 | 1570.50 | 1596.00 | 1597.00 | 1598.00 | 4.79 | 8.75 | 0.71 | 8.23 | 0.00 | – | – | 0.00 | 0.00 | Sluice discharge = 0.6113MCM | |
| 7 | ANAYIRANKAL | IDK | 1207.02 | 1197.38 | 1205.02 | 1206.02 | 1207.02 | 14.57 | 29.24 | 0.65 | 7.48 | – | – | 0 | 0.00 | Sluice discharge = 1.93 MCM | ||
| 8 | PONMUDI | IDK | 707.75 | 689.40 | 704.50 | 705.50 | 706.50 | 13.21 | 27.86 | 0.99 | 11.51 | 1.34 | – | – | 1.34 | 0.00 | ||
| 9 | KUTTIYADI (KAKKAYAM) | KKD | 758.04 | 744.47 | 755.50 | 756.50 | 757.50 | 6.79 | 19.97 | 0.75 | 8.68 | 1.67 | – | – | 1.67 | 1.00 | ||
| 10 | PAMBA | PTTA | 986.33 | 963.70 | 982.00 | 983.50 | 984.50 | 0.38 | 1.22 | 0.43 | 5.01 | – | – | 0.00 | 0.00 | |||
| 11 | PORINGALKUTHU | TSR | 423.98 | 414.40 | 421.00 | 422.00 | 423.00 | 8.55 | 28.22 | 1.22 | 14.08 | 1.37 | – | – | 1.37 | 6.00 | ||
| 12 | KUNDALA | IDK | 1758.69 | 1753.65 | 1755.00 | 1756.00 | 1757.00 | 4.33 | 56.54 | 0.15 | 1.79 | 0.00 | – | – | 0.00 | 1.40 | Sluice discharge = 0.6048 MCM. Gate # 1,2,3,4&5- 30cm | |
| 13 | KALLARKUTTY | IDK | 456.59 | 453.45 | 455.00 | 4.48 | 69.60 | 1.50 | 17.3 | 1.34 | – | – | 1.34 | 0.00 | ||||
| 14 | ERATTAYAR | IDK | 754.38 | 745.90 | 748.28 | 0.67 | 12.64 | 0 | – | – | 0.00 | 0.00 | ||||||
| 15 | LOWER PERIYAR | IDK | 253 | 250.50 | 252.00 | 3.50 | 76.81 | 1.48 | 17.17 | 1.52 | – | – | 1.52 | 3.00 | ||||
| 16 | MOOZHIYAR | PTTA | 192.63 | 188.60 | 190.00 | 0.63 | 54.66 | 2.43 | 28.18 | 2.53 | – | – | 2.53 | 2.00 | ||||
| 17 | KALLAR | IDK | 824.48 | 819.60 | 823.50 | 0.16 | 21.28 | 0 | – | – | 0.00 | 0.00 | ||||||
| 18 | SENGULAM | IDK | 847.64 | 847.00 | 0.24 | 60.51 | 0.67 | 7.79 | 0.60 | – | – | 0.60 | 0.00 |
