| 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 | 2318.62 ft | 2365.00 | 2371.00 | 2372.00 | 320.29 | 21.95 | 9.09 | 105.17 | 2.20 | – | – | 2.20 | 28.20 | |
| 2 | IDAMALAYAR | EKM | 169.00 | 161.00 | 136.12 | 159.50 | 160.00 | 160.50 | 237.16 | 23.30 | 7.51 | 86.96 | 1.04 | – | – | 1.04 | 64.60 | |
| 3 | KAKKI – ANATHODE | PTTA | 981.46 | 975.36 | 942.17 | 973.36 | 974.36 | 974.86 | 73.13 | 16.38 | 5.44 | 62.96 | 0.72 | – | – | 0.72 | 71.00 | |
| 4 | BANASURASAGAR (K A S) | WND | 775.60 | 767.00 | 754.45 | 765.50 | 766.00 | 766.50 | 13.25 | 6.59 | 0.50 | 5.79 | – | – | 0.00 | 63.60 | Tunnel fully closed on 05.06.2026 at 11.05 am. Tunnel discharge-0.00 MCM. | |
| 5 | SHOLAYAR | TSR | 2663.00 ft | 2588.70 ft | 2658.00 | 2660.00 | 2661.00 | 18.37 | 12.32 | 1.02 | 11.81 | 0.58 | – | – | 0.58 | 44.30 | ||
| 6 | MADUPETTY | IDK | 1599.59 | 1571.45 | 1596.00 | 1597.00 | 1598.00 | 5.74 | 10.48 | 0.45 | 5.21 | 0.00 | – | – | 0.00 | 42.20 | Sluice discharge = Nil | |
| 7 | ANAYIRANKAL | IDK | 1207.02 | 1193.30 | 1205.02 | 1206.02 | 1207.02 | 7.09 | 14.22 | 0.38 | 4.42 | – | – | 0 | 24.00 | (Sluice gate fully closed @ 4.00 pm on 05.06.2026) | ||
| 8 | PONMUDI | IDK | 707.75 | 689.75 | 704.50 | 705.50 | 706.50 | 13.69 | 28.89 | 1.80 | 20.86 | 0.27 | – | – | 0.27 | 25.00 | ||
| 9 | KUTTIYADI (KAKKAYAM) | KKD | 758.04 | 747.03 | 755.50 | 756.50 | 757.50 | 10.49 | 30.88 | 0.00 | 0 | 0.75 | – | – | 0.75 | 66.00 | ||
| 10 | PAMBA | PTTA | 986.33 | 966.20 | 982.00 | 983.50 | 984.50 | 2.38 | 7.64 | 4.77 | 55.25 | – | – | 0.00 | 43.00 | |||
| 11 | PORINGALKUTHU | TSR | 423.98 | 416.80 | 421.00 | 422.00 | 423.00 | 12.70 | 41.91 | 3.74 | 43.34 | 2.34 | – | – | 2.34 | 56.00 | ||
| 12 | KUNDALA | IDK | 1758.69 | 1741.95 | 1755.00 | 1756.00 | 1757.00 | 0.25 | 3.27 | 0.10 | 1.16 | 0.00 | – | – | 0.00 | 17.00 | Sluice discharge = 0.00 MCM. All gates are closed | |
| 13 | KALLARKUTTY | IDK | 456.59 | 453.20 | 455.00 | 4.32 | 67.19 | 3.17 | 36.7 | 3.12 | – | – | 3.12 | 21.00 | ||||
| 14 | ERATTAYAR | IDK | 754.38 | 745.90 | 748.28 | 0.45 | 8.41 | 0 | – | – | 0.00 | 0.00 | ||||||
| 15 | LOWER PERIYAR | IDK | 253 | 247.70 | 252.00 | 2.42 | 53.12 | 4.06 | 46.98 | 4.09 | – | – | 4.09 | 38.00 | ||||
| 16 | MOOZHIYAR | PTTA | 192.63 | 187.90 | 190.00 | 0.56 | 48.19 | 1.13 | 13.05 | 1.90 | – | – | 1.90 | 42.00 | ||||
| 17 | KALLAR | IDK | 824.48 | 820.10 | 823.50 | 0.19 | 24.60 | 0 | – | – | 0.00 | 0.00 | ||||||
| 18 | SENGULAM | IDK | 847.64 | 846.65 | 0.15 | 39.49 | 0.87 | 10.09 | 0.92 | – | – | 0.92 | 10.70 |
