| 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 | 2400.03 ft | 2384.56 ft | 2392.03 | 2398.03 | 2399.03 | 1151.66 | 78.91 | 2.77 | 32.04 | 0.00 | – | – | 0.00 | 0.00 | |
| 2 | IDAMALAYAR | EKM | 169.00 | 168.50 | 160.82 | 167.00 | 167.50 | 168.00 | 782.96 | 76.93 | 0.71 | 8.27 | 4.56 | – | – | 4.56 | 0.00 | |
| 3 | KAKKI – ANATHODE | PTTA | 981.46 | 981.00 | 977.25 | 979.00 | 980.00 | 980.50 | 375.85 | 84.18 | 2.51 | 29.01 | 3.41 | – | – | 3.41 | 5.00 | |
| 4 | BANASURASAGAR (K A S) | WND | 775.60 | 775.60 | 773.05 | 774.10 | 774.60 | 775.10 | 170.15 | 84.65 | 0.00 | 0 | – | 0.00 | 0.00 | Tunnel discharge-0mcm, control shat gate (tunnel fully closed on 18.11.25 at 12.30pm | ||
| 5 | SHOLAYAR | TSR | 2663.00 ft | 2660.60 ft | 2658.00 | 2660.00 | 2661.00 | 142.31 | 95.45 | 0.23 | 2.68 | 0.79 | – | – | 0.79 | 0.00 | ||
| 6 | MADUPETTY | IDK | 1599.59 | 1596.25 | 1596.00 | 1597.00 | 1598.00 | 45.57 | 83.19 | 0.36 | 4.13 | 0.23 | – | – | 0.23 | 0.00 | Sluice discharge -0.1284 mcm | |
| 7 | ANAYIRANKAL | IDK | 1207.02 | 1207.10 | 1205.02 | 1206.02 | 1207.02 | 50.25 | 100.84 | 0.10 | 1.11 | 0.10 | 1.13 | 0.096 | 0.00 | |||
| 8 | PONMUDI | IDK | 707.75 | 704.45 | 704.50 | 705.50 | 706.50 | 39.15 | 82.58 | 1.51 | 17.52 | 1.76 | 0.22 | – | 1.98 | 0.00 | All radial gates are in closed condition,Gate No.-2 closed at 3PM on 20.11.2025 | |
| 9 | KUTTIYADI (KAKKAYAM) | KKD | 758.04 | 755.81 | 755.50 | 756.50 | 757.50 | 28.42 | 83.64 | 0.12 | 1.44 | 1.12 | – | – | 1.12 | 0.00 | ||
| 10 | PAMBA | PTTA | 986.33 | 977.40 | 982.00 | 983.50 | 984.50 | 15.73 | 50.50 | 0.33 | 3.87 | – | – | 0.00 | 0.00 | |||
| 11 | PORINGALKUTHU | TSR | 423.98 | 419.60 | 421.00 | 422.00 | 423.00 | 18.75 | 61.88 | 1.10 | 12.68 | 1.35 | – | – | 1.35 | 0.00 | 4 crest gates opened for 6ft | |
| 12 | KUNDALA | IDK | 1758.69 | 1758.05 | 1755.00 | 1756.00 | 1757.00 | 6.94 | 90.65 | 0.03 | 0.34 | 0.00 | 0.03 | 0.34 | 0.03 | 0.00 | Gate # 3 -10 cm opened | |
| 13 | KALLARKUTTY | IDK | 456.59 | 453.05 | 455.00 | 4.24 | 66.00 | 2.93 | 33.92 | 3.07 | – | – | 3.07 | 0.00 | Radial gates are closed | |||
| 14 | ERATTAYAR | IDK | 754.38 | 747.00 | 748.28 | 0.94 | 17.70 | 0 | – | 0.00 | 0.00 | |||||||
| 15 | LOWER PERIYAR | IDK | 253 | 247.80 | 252.00 | 2.45 | 53.80 | 4.02 | 46.54 | 3.99 | – | – | 3.99 | 0.00 | ||||
| 16 | MOOZHIYAR | PTTA | 192.63 | 189.30 | 190.00 | 0.72 | 61.64 | 2.59 | 29.94 | 2.59 | 2.59 | 1.00 | Gate Closed | |||||
| 17 | KALLAR | IDK | 824.48 | 820.10 | 823.50 | 0.19 | 24.64 | 0 | – | – | 0.00 | 0.00 | ||||||
| 18 | SENGULAM | IDK | 847.64 | 846.95 | 0.23 | 57.69 | 0.88 | 10.19 | 0.80 | – | – | 0.80 | 0.00 |
