| 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 | 2317.12 ft | 2365.00 | 2371.00 | 2372.00 | 306.63 | 21.01 | 6.39 | 73.99 | 3.87 | – | – | 3.87 | 15.80 | |
| 2 | IDAMALAYAR | EKM | 169.00 | 161.00 | 135.40 | 159.50 | 160.00 | 160.50 | 226.00 | 22.20 | 2.44 | 28.19 | 0.93 | – | – | 0.93 | 29.80 | |
| 3 | KAKKI – ANATHODE | PTTA | 981.46 | 975.36 | 939.31 | 973.36 | 974.36 | 974.86 | 61.88 | 13.86 | 3.61 | 41.8 | 0.95 | – | – | 0.95 | 33.00 | |
| 4 | BANASURASAGAR (K A S) | WND | 775.60 | 767.00 | 754.25 | 765.50 | 766.00 | 766.50 | 12.25 | 6.09 | 0.31 | 3.59 | – | – | 0.00 | 20.40 | Tunnel fully closed on 05.06.2026 at 11.05 am. Tunnel discharge-0.11 MCM. | |
| 5 | SHOLAYAR | TSR | 2663.00 ft | 2587.50 ft | 2658.00 | 2660.00 | 2661.00 | 17.32 | 11.62 | 0.51 | 5.88 | 0.33 | – | – | 0.33 | 10.20 | ||
| 6 | MADUPETTY | IDK | 1599.59 | 1571.25 | 1596.00 | 1597.00 | 1598.00 | 5.54 | 10.12 | 0.08 | 0.9 | 0.00 | – | – | 0.00 | 7.40 | Sluice discharge = 0.1174MCM | |
| 7 | ANAYIRANKAL | IDK | 1207.02 | 1192.93 | 1205.02 | 1206.02 | 1207.02 | 6.44 | 12.93 | 0.49 | 5.71 | – | – | 0 | 8.00 | Sluice discharge = 0.58 MCM (Sluice gate fully closed @ 4.00 pm on 05.06.2026) | ||
| 8 | PONMUDI | IDK | 707.75 | 688.30 | 704.50 | 705.50 | 706.50 | 11.67 | 24.63 | 1.37 | 15.83 | 0.46 | – | – | 0.46 | 16.00 | ||
| 9 | KUTTIYADI (KAKKAYAM) | KKD | 758.04 | 747.77 | 755.50 | 756.50 | 757.50 | 11.73 | 34.51 | 0.80 | 9.21 | 0.58 | – | – | 0.58 | 45.00 | ||
| 10 | PAMBA | PTTA | 986.33 | 965.65 | 982.00 | 983.50 | 984.50 | 1.93 | 6.20 | 4.10 | 47.49 | – | – | 0.00 | 21.00 | |||
| 11 | PORINGALKUTHU | TSR | 423.98 | 414.75 | 421.00 | 422.00 | 423.00 | 9.08 | 29.97 | 1.38 | 15.92 | 0.63 | – | – | 0.63 | 34.00 | ||
| 12 | KUNDALA | IDK | 1758.69 | 1741.00 | 1755.00 | 1756.00 | 1757.00 | 0.09 | 1.18 | 0.13 | 1.46 | 0.00 | – | – | 0.00 | 1.00 | Sluice discharge = 0.126 MCM. All gates are closed | |
| 13 | KALLARKUTTY | IDK | 456.59 | 452.95 | 455.00 | 4.19 | 65.21 | 2.27 | 26.32 | 2.15 | – | – | 2.15 | 17.00 | ||||
| 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 | 3.02 | 34.95 | 2.99 | – | – | 2.99 | 25.00 | ||||
| 16 | MOOZHIYAR | PTTA | 192.63 | 185.55 | 190.00 | 0.32 | 27.93 | 1.51 | 17.49 | 1.65 | – | – | 1.65 | 15.00 | ||||
| 17 | KALLAR | IDK | 824.48 | 819.80 | 823.50 | 0.17 | 22.84 | 0 | – | – | 0.00 | 0.00 | ||||||
| 18 | SENGULAM | IDK | 847.64 | 846.80 | 0.19 | 48.46 | 0.56 | 6.47 | 0.55 | – | – | 0.55 | 7.00 |
