| 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 | 2320.30 ft | 2395.00 | 2401.00 | 2402.00 | 336.07 | 23.03 | 0.79 | 9.09 | 5.97 | – | – | 5.97 | 2.20 | |
| 2 | IDAMALAYAR | EKM | 169.00 | 169.00 | 135.60 | 167.50 | 168.00 | 168.50 | 229.00 | 22.50 | 0.80 | 9.26 | 2.86 | – | – | 2.86 | 13.00 | |
| 3 | KAKKI – ANATHODE | PTTA | 981.46 | 981.46 | 940.79 | 979.46 | 980.46 | 980.96 | 67.61 | 15.14 | 0.68 | 7.85 | 2.64 | – | – | 2.64 | 5.00 | |
| 4 | BANASURASAGAR (K A S) | WND | 775.60 | 775.60 | 755.95 | 774.10 | 774.60 | 775.10 | 20.65 | 10.27 | 0.33 | 3.83 | – | – | 0.00 | 0.00 | Tunnel fully opened on 27.01.2026 at 9.10am. Tunnel discharge-0.82MCM. River Sluice / day – 0.011MCM | |
| 5 | SHOLAYAR | TSR | 2663.00 ft | 2593.40 ft | 2658.00 | 2660.00 | 2661.00 | 22.74 | 15.25 | 0.28 | 3.26 | 0.98 | – | – | 0.98 | 7.20 | ||
| 6 | MADUPETTY | IDK | 1599.59 | 1570.75 | 1596.00 | 1597.00 | 1598.00 | 5.04 | 9.20 | 0.86 | 9.97 | 0.00 | – | – | 0.00 | 9.80 | Sluice discharge = 0.6113MCM | |
| 7 | ANAYIRANKAL | IDK | 1207.02 | 1197.10 | 1205.02 | 1206.02 | 1207.02 | 13.68 | 27.45 | 1.03 | 11.90 | – | – | 0 | 8.00 | Sluice discharge = 1.92 MCM | ||
| 8 | PONMUDI | IDK | 707.75 | 689.00 | 704.50 | 705.50 | 706.50 | 12.65 | 26.68 | 0.84 | 9.76 | 1.40 | – | – | 1.40 | 2.00 | ||
| 9 | KUTTIYADI (KAKKAYAM) | KKD | 758.04 | 744.69 | 755.50 | 756.50 | 757.50 | 7.04 | 20.73 | 0.94 | 10.86 | 0.68 | – | – | 0.68 | 4.00 | ||
| 10 | PAMBA | PTTA | 986.33 | 963.65 | 982.00 | 983.50 | 984.50 | 0.34 | 1.09 | 0.37 | 4.27 | – | – | 0.00 | 4.00 | |||
| 11 | PORINGALKUTHU | TSR | 423.98 | 414.60 | 421.00 | 422.00 | 423.00 | 8.85 | 29.21 | 1.59 | 18.37 | 1.29 | – | – | 1.29 | 2.80 | ||
| 12 | KUNDALA | IDK | 1758.69 | 1752.80 | 1755.00 | 1756.00 | 1757.00 | 3.90 | 50.98 | 0.18 | 2.08 | 0.00 | – | – | 0.00 | 19.20 | Sluice discharge = 0.6048 MCM. Gate # 1,2,3,4&5- 30cm | |
| 13 | KALLARKUTTY | IDK | 456.59 | 453.55 | 455.00 | 4.54 | 70.58 | 1.66 | 19.2 | 1.60 | – | – | 1.60 | 3.00 | ||||
| 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 | 1.34 | 15.54 | 1.34 | – | – | 1.34 | 4.00 | ||||
| 16 | MOOZHIYAR | PTTA | 192.63 | 188.60 | 190.00 | 0.63 | 54.66 | 2.04 | 23.67 | 2.13 | – | – | 2.13 | 3.00 | ||||
| 17 | KALLAR | IDK | 824.48 | 819.60 | 823.50 | 0.16 | 21.28 | 0 | – | – | 0.00 | 0.00 | ||||||
| 18 | SENGULAM | IDK | 847.64 | 846.90 | 0.21 | 54.62 | 0.53 | 6.13 | 0.55 | – | – | 0.55 | 0.00 |
