| 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 | 2316.86 ft | 2365.00 | 2371.00 | 2372.00 | 304.26 | 20.85 | 1.79 | 20.69 | 6.37 | – | – | 6.37 | 3.60 | |
| 2 | IDAMALAYAR | EKM | 169.00 | 161.00 | 135.22 | 159.50 | 160.00 | 160.50 | 223.30 | 21.94 | 0.98 | 11.33 | 1.56 | – | – | 1.56 | 2.40 | |
| 3 | KAKKI – ANATHODE | PTTA | 981.46 | 975.36 | 937.46 | 973.36 | 974.36 | 974.86 | 55.11 | 12.34 | 0.42 | 4.86 | 1.82 | – | – | 1.82 | 9.00 | |
| 4 | BANASURASAGAR (K A S) | WND | 775.60 | 767.00 | 754.50 | 765.50 | 766.00 | 766.50 | 13.55 | 6.74 | 0.01 | 0.13 | – | – | 0.00 | 3.40 | Tunnel fully opened on 27.01.2026 at 9.10am. Tunnel discharge-0.65 MCM. River Sluice / day – 0.011MCM | |
| 5 | SHOLAYAR | TSR | 2663.00 ft | 2587.60 ft | 2658.00 | 2660.00 | 2661.00 | 17.40 | 11.67 | 0.31 | 3.57 | 1.01 | – | – | 1.01 | 4.10 | ||
| 6 | MADUPETTY | IDK | 1599.59 | 1571.35 | 1596.00 | 1597.00 | 1598.00 | 5.64 | 10.30 | 0.56 | 6.5 | 0.00 | – | – | 0.00 | 5.60 | Sluice discharge = 0.6113MCM | |
| 7 | ANAYIRANKAL | IDK | 1207.02 | 1194.18 | 1205.02 | 1206.02 | 1207.02 | 8.61 | 17.28 | 1.02 | 11.82 | – | – | 0 | 7.00 | Sluice discharge = 1.75 MCM | ||
| 8 | PONMUDI | IDK | 707.75 | 686.60 | 704.50 | 705.50 | 706.50 | 9.59 | 20.24 | 1.01 | 11.67 | 1.50 | – | – | 1.50 | 3.00 | ||
| 9 | KUTTIYADI (KAKKAYAM) | KKD | 758.04 | 747.03 | 755.50 | 756.50 | 757.50 | 10.49 | 30.88 | 0.68 | 7.82 | 0.72 | – | – | 0.72 | 17.00 | ||
| 10 | PAMBA | PTTA | 986.33 | 963.60 | 982.00 | 983.50 | 984.50 | 0.31 | 1.00 | 0.35 | 3.99 | – | – | 0.00 | 0.00 | |||
| 11 | PORINGALKUTHU | TSR | 423.98 | 414.25 | 421.00 | 422.00 | 423.00 | 8.33 | 27.49 | 0.63 | 7.33 | 0.56 | – | – | 0.56 | 1.00 | ||
| 12 | KUNDALA | IDK | 1758.69 | 1743.60 | 1755.00 | 1756.00 | 1757.00 | 0.60 | 7.84 | 0.25 | 2.93 | 0.00 | – | – | 0.00 | 2.60 | Sluice discharge = 0.6048 MCM. Gate # 1,2,3,4&5- 30cm | |
| 13 | KALLARKUTTY | IDK | 456.59 | 453.10 | 455.00 | 4.27 | 66.41 | 2.61 | 30.2 | 2.43 | – | – | 2.43 | 3.00 | ||||
| 14 | ERATTAYAR | IDK | 754.38 | 745.80 | 748.28 | 0.43 | 8.05 | 0 | – | – | 0.00 | 0.00 | ||||||
| 15 | LOWER PERIYAR | IDK | 253 | 247.70 | 252.00 | 2.42 | 53.12 | 2.43 | 28.12 | 2.72 | – | – | 2.72 | 0.00 | ||||
| 16 | MOOZHIYAR | PTTA | 192.63 | 188.40 | 190.00 | 0.61 | 52.67 | 1.69 | 19.53 | 1.01 | – | – | 1.01 | 50.00 | ||||
| 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 | 0.70 | 8.09 | 0.69 | – | – | 0.69 | 1.20 |
