| 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 | 2316.86 ft | 2395.00 | 2401.00 | 2402.00 | 304.26 | 20.85 | 6.02 | 69.68 | 1.31 | – | – | 1.31 | 53.60 | |
| 2 | IDAMALAYAR | EKM | 169.00 | 169.00 | 135.30 | 167.50 | 168.00 | 168.50 | 224.50 | 22.06 | 1.66 | 19.2 | 0.00 | – | – | 0.00 | 56.00 | |
| 3 | KAKKI – ANATHODE | PTTA | 981.46 | 981.46 | 938.60 | 979.46 | 980.46 | 980.96 | 59.22 | 13.26 | 5.28 | 61.09 | 0.73 | – | – | 0.73 | 115.00 | |
| 4 | BANASURASAGAR (K A S) | WND | 775.60 | 775.60 | 754.20 | 774.10 | 774.60 | 775.10 | 12.05 | 6.00 | 0.42 | 4.86 | – | – | 0.00 | 15.20 | Tunnel fully opened on 27.01.2026 at 9.10am. Tunnel discharge-0.62 MCM. | |
| 5 | SHOLAYAR | TSR | 2663.00 ft | 2587.30 ft | 2658.00 | 2660.00 | 2661.00 | 17.14 | 11.50 | 0.28 | 3.26 | 0.11 | – | – | 0.11 | 67.00 | ||
| 6 | MADUPETTY | IDK | 1599.59 | 1571.30 | 1596.00 | 1597.00 | 1598.00 | 5.59 | 10.21 | 0.26 | 3.06 | 0.00 | – | – | 0.00 | 12.60 | Sluice discharge = 0.1146MCM | |
| 7 | ANAYIRANKAL | IDK | 1207.02 | 1192.98 | 1205.02 | 1206.02 | 1207.02 | 6.53 | 13.11 | 0.84 | 9.71 | – | – | 0 | 25.00 | Sluice discharge = 1.55 MCM | ||
| 8 | PONMUDI | IDK | 707.75 | 687.65 | 704.50 | 705.50 | 706.50 | 10.77 | 22.72 | 1.44 | 16.68 | 0.47 | – | – | 0.47 | 28.00 | ||
| 9 | KUTTIYADI (KAKKAYAM) | KKD | 758.04 | 747.64 | 755.50 | 756.50 | 757.50 | 11.51 | 33.88 | 1.30 | 15.04 | 0.43 | – | – | 0.43 | 58.00 | ||
| 10 | PAMBA | PTTA | 986.33 | 965.95 | 982.00 | 983.50 | 984.50 | 2.17 | 6.97 | 4.42 | 51.11 | – | – | 0.00 | 126.00 | |||
| 11 | PORINGALKUTHU | TSR | 423.98 | 414.25 | 421.00 | 422.00 | 423.00 | 8.33 | 27.49 | 1.80 | 20.88 | 0.53 | – | – | 0.53 | 52.60 | ||
| 12 | KUNDALA | IDK | 1758.69 | 1741.00 | 1755.00 | 1756.00 | 1757.00 | 0.09 | 1.18 | 0.60 | 7 | 0.00 | – | – | 0.00 | 2.40 | Sluice discharge = 0.6048 MCM. Gate # 1,2,3,4&5- 30cm | |
| 13 | KALLARKUTTY | IDK | 456.59 | 452.70 | 455.00 | 4.07 | 63.23 | 0.90 | 10.41 | 1.44 | – | – | 1.44 | 20.00 | ||||
| 14 | ERATTAYAR | IDK | 754.38 | 745.90 | 748.28 | 0.45 | 8.41 | 0 | – | – | 0.00 | 0.00 | ||||||
| 15 | LOWER PERIYAR | IDK | 253 | 247.60 | 252.00 | 2.39 | 52.44 | 1.18 | 13.6 | 1.42 | – | – | 1.42 | 27.00 | ||||
| 16 | MOOZHIYAR | PTTA | 192.63 | 186.40 | 190.00 | 0.41 | 34.91 | 1.42 | 16.48 | 1.39 | – | – | 1.39 | 83.00 | ||||
| 17 | KALLAR | IDK | 824.48 | 819.80 | 823.50 | 0.17 | 22.84 | 0 | – | – | 0.00 | 0.00 | ||||||
| 18 | SENGULAM | IDK | 847.64 | 846.60 | 0.14 | 36.41 | 0.93 | 10.81 | 0.97 | – | – | 0.97 | 11.50 |
