| 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 | 2373.00 ft | 2316.36 ft | 2365.00 | 2371.00 | 2372.00 | 299.70 | 20.53 | 2.96 | 34.29 | 3.72 | – | – | 3.72 | 39.20 | |
| 2 | IDAMALAYAR | EKM | 169.00 | 161.00 | 135.19 | 159.50 | 160.00 | 160.50 | 222.85 | 21.90 | 2.20 | 25.51 | 1.60 | – | – | 1.60 | 37.00 | |
| 3 | KAKKI – ANATHODE | PTTA | 981.46 | 975.36 | 937.34 | 973.36 | 974.36 | 974.86 | 54.67 | 12.24 | 2.36 | 27.32 | 1.72 | – | – | 1.72 | 78.00 | |
| 4 | BANASURASAGAR (K A S) | WND | 775.60 | 767.00 | 754.25 | 765.50 | 766.00 | 766.50 | 12.25 | 6.09 | 0.35 | 4.05 | – | – | 0.00 | 8.30 | Tunnel fully opened on 27.01.2026 at 9.10am. Tunnel discharge-0.65 MCM. River Sluice / day – 0.001MCM | |
| 5 | SHOLAYAR | TSR | 2663.00 ft | 2587.10 ft | 2658.00 | 2660.00 | 2661.00 | 16.96 | 11.38 | 0.29 | 3.32 | 0.55 | – | – | 0.55 | 25.00 | ||
| 6 | MADUPETTY | IDK | 1599.59 | 1571.15 | 1596.00 | 1597.00 | 1598.00 | 5.44 | 9.93 | 0.56 | 6.5 | 0.00 | – | – | 0.00 | 27.00 | Sluice discharge = 0.6113MCM | |
| 7 | ANAYIRANKAL | IDK | 1207.02 | 1193.39 | 1205.02 | 1206.02 | 1207.02 | 7.24 | 14.53 | 0.95 | 10.98 | – | – | 0 | 10.00 | Sluice discharge = 1.59 MCM | ||
| 8 | PONMUDI | IDK | 707.75 | 686.80 | 704.50 | 705.50 | 706.50 | 9.79 | 20.66 | 1.07 | 12.4 | 0.67 | – | – | 0.67 | 29.00 | ||
| 9 | KUTTIYADI (KAKKAYAM) | KKD | 758.04 | 747.13 | 755.50 | 756.50 | 757.50 | 10.64 | 31.32 | 0.90 | 10.47 | 0.70 | – | – | 0.70 | 12.00 | ||
| 10 | PAMBA | PTTA | 986.33 | 964.65 | 982.00 | 983.50 | 984.50 | 1.13 | 3.63 | 2.04 | 23.59 | – | – | 0.00 | 104.00 | |||
| 11 | PORINGALKUTHU | TSR | 423.98 | 413.40 | 421.00 | 422.00 | 423.00 | 7.05 | 23.27 | 0.11 | 1.25 | 1.01 | – | – | 1.01 | 37.00 | ||
| 12 | KUNDALA | IDK | 1758.69 | 1741.00 | 1755.00 | 1756.00 | 1757.00 | 0.09 | 1.18 | 0.37 | 4.34 | 0.00 | – | – | 0.00 | 8.60 | Sluice discharge = 0.6048 MCM. Gate # 1,2,3,4&5- 30cm | |
| 13 | KALLARKUTTY | IDK | 456.59 | 453.65 | 455.00 | 4.60 | 71.57 | 1.50 | 17.32 | 1.22 | – | – | 1.22 | 23.00 | ||||
| 14 | ERATTAYAR | IDK | 754.38 | 745.80 | 748.28 | 0.43 | 8.05 | 0 | – | – | 0.00 | 0.00 | ||||||
| 15 | LOWER PERIYAR | IDK | 253 | 248.30 | 252.00 | 2.63 | 57.74 | 1.15 | 13.3 | 1.00 | – | – | 1.00 | 35.00 | ||||
| 16 | MOOZHIYAR | PTTA | 192.63 | 187.85 | 190.00 | 0.55 | 47.76 | 1.49 | 17.28 | 1.52 | – | – | 1.52 | 25.00 | ||||
| 17 | KALLAR | IDK | 824.48 | 819.60 | 823.50 | 0.16 | 21.28 | 0 | – | – | 0.00 | 0.00 | ||||||
| 18 | SENGULAM | IDK | 847.64 | 846.75 | 0.18 | 45.56 | 0.61 | 7.11 | 0.68 | – | – | 0.68 | 6.30 |
