| 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 | 2374.78 ft | 2395.00 | 2401.00 | 2402.00 | 1002.04 | 68.66 | 1.74 | 20.12 | 6.16 | – | – | 6.16 | 0.00 | |
| 2 | IDAMALAYAR | EKM | 169.00 | 169.00 | 154.96 | 167.50 | 168.00 | 168.50 | 631.29 | 62.02 | 0.74 | 8.58 | 4.04 | – | – | 4.04 | 8.80 | |
| 3 | KAKKI – ANATHODE | PTTA | 981.46 | 981.46 | 973.21 | 979.46 | 980.46 | 980.96 | 320.23 | 71.72 | 0.95 | 10.97 | 2.38 | – | – | 2.38 | 0.00 | |
| 4 | BANASURASAGAR (K A S) | WND | 775.60 | 775.60 | 769.00 | 774.10 | 774.60 | 775.10 | 123.75 | 61.57 | 0.03 | 0.39 | – | 0.00 | 2.20 | Tunnel discharge 0.85mcm | ||
| 5 | SHOLAYAR | TSR | 2663.00 ft | 2654.30 ft | 2658.00 | 2660.00 | 2661.00 | 125.80 | 84.38 | 0.30 | 3.49 | 0.80 | – | – | 0.80 | 0.00 | ||
| 6 | MADUPETTY | IDK | 1599.59 | 1595.05 | 1596.00 | 1597.00 | 1598.00 | 42.57 | 77.72 | 0.19 | 2.25 | 0.19 | – | – | 0.19 | 4.20 | ||
| 7 | ANAYIRANKAL | IDK | 1207.02 | 1207.07 | 1205.02 | 1206.02 | 1207.02 | 50.10 | 100.53 | 0.05 | 0.56 | 0.05 | 0.56 | 0.048 | 1.00 | |||
| 8 | PONMUDI | IDK | 707.75 | 706.60 | 704.50 | 705.50 | 706.50 | 44.20 | 93.24 | 0.66 | 7.67 | 0.00 | 0.66 | 7.67 | 0.66 | 0.00 | Gate # 2 -10 cm | |
| 9 | KUTTIYADI (KAKKAYAM) | KKD | 758.04 | 756.82 | 755.50 | 756.50 | 757.50 | 30.93 | 91.04 | 1.12 | 12.95 | 1.12 | – | – | 1.12 | 7.00 | ||
| 10 | PAMBA | PTTA | 986.33 | 973.30 | 982.00 | 983.50 | 984.50 | 9.86 | 31.65 | 0.23 | 2.6 | – | – | 0.00 | 0.00 | |||
| 11 | PORINGALKUTHU | TSR | 423.98 | 417.90 | 421.00 | 422.00 | 423.00 | 14.90 | 49.17 | 0.88 | 10.19 | 0.88 | – | – | 0.88 | 0.00 | ||
| 12 | KUNDALA | IDK | 1758.69 | 1758.00 | 1755.00 | 1756.00 | 1757.00 | 6.90 | 90.20 | 0.06 | 0.75 | 0.00 | 0.03 | 0.34 | 0.03 | 7.80 | Gate # 3 -10 cm | |
| 13 | KALLARKUTTY | IDK | 456.59 | 452.95 | 455.00 | 4.19 | 65.21 | 1.16 | 13.38 | 1.23 | – | – | 1.23 | 0.00 | ||||
| 14 | ERATTAYAR | IDK | 754.38 | 746.90 | 748.28 | 0.90 | 16.96 | 0 | – | 0.00 | 0.00 | |||||||
| 15 | LOWER PERIYAR | IDK | 253 | 250.00 | 252.00 | 3.29 | 72.31 | 1.40 | 16.24 | 1.44 | – | – | 1.44 | 0.00 | ||||
| 16 | MOOZHIYAR | PTTA | 192.63 | 189.00 | 190.00 | 0.68 | 58.79 | 2.94 | 34.04 | 1.94 | – | – | 1.94 | 0.00 | ||||
| 17 | KALLAR | IDK | 824.48 | 819.90 | 823.50 | 0.18 | 23.62 | 0 | – | – | 0.00 | 0.00 | ||||||
| 18 | SENGULAM | IDK | 847.64 | 846.95 | 0.23 | 57.69 | 0.46 | 5.35 | 0.47 | – | – | 0.47 | 0.00 |
