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 | 2375.33 | 2363.90 ft | 2367.33 | 2373.33 | 2374.33 | 847.55 | 58.07 | 9.06 | 104.87 | 11.20 | – | – | 11.20 | 1.60 | |
2 | IDAMALAYAR | EKM | 169.00 | 161.50 | 153.32 | 160.00 | 160.50 | 161.00 | 592.39 | 58.20 | 7.54 | 87.23 | 5.85 | – | – | 5.85 | 8.00 | |
3 | KAKKI – ANATHODE | PTTA | 981.46 | 975.36 | 975.36 | 973.36 | 974.36 | 974.86 | 280.59 | 62.84 | 4.04 | 46.72 | 4.88 | – | – | 4.88 | 8.00 | |
4 | BANASURASAGAR (K A S) | WND | 775.60 | 771.00 | 770.10 | 769.50 | 770.00 | 770.50 | 136.25 | 67.79 | 3.20 | 37.04 | 1.50 | 17.36 | 1.50 | 31.80 | Tunnel fully closed; Gate#2&3- 15cm | |
5 | SHOLAYAR | TSR | 2663.00 ft | 2637.70 ft | 2658.00 | 2660.00 | 2661.00 | 88.46 | 59.33 | 2.91 | 33.65 | 1.11 | – | – | 1.11 | 0.00 | ||
6 | MADUPETTY | IDK | 1599.59 | 1597.15 | 1596.00 | 1597.00 | 1598.00 | 47.82 | 87.30 | 0.44 | 5.05 | 0.31 | – | – | 0.31 | 2.00 | ||
7 | ANAYIRANKAL | IDK | 1207.02 | 1201.69 | 1205.02 | 1206.02 | 1207.02 | 28.29 | 56.78 | 0.13 | 1.47 | – | – | 0.00 | 0.00 | |||
8 | PONMUDI | IDK | 707.75 | 706.35 | 704.50 | 705.50 | 706.50 | 43.55 | 91.88 | 2.08 | 24.05 | 1.76 | 0.66 | 7.70 | 2.43 | 8.00 | Gate #2- 10 cm | |
9 | KUTTIYADI (KAKKAYAM) | KKD | 758.04 | 756.21 | 755.50 | 756.50 | 757.50 | 29.41 | 86.55 | 2.20 | 25.52 | 3.27 | – | – | 3.27 | 75.00 | Gate #1 &2- closed | |
10 | PAMBA | PTTA | 986.33 | 971.55 | 982.00 | 983.50 | 984.50 | 7.76 | 24.91 | 0.84 | 9.68 | – | – | 0.00 | 2.00 | |||
11 | PORINGALKUTHU | TSR | 423.98 | 419.75 | 421.00 | 422.00 | 423.00 | 19.13 | 63.14 | 7.97 | 92.27 | 4.79 | 3.31 | 29.17 | 8.10 | 17.00 | 7 crest gates are fully opened for 4.50 m, | |
12 | KUNDALA | IDK | 1758.69 | 1746.60 | 1755.00 | 1756.00 | 1757.00 | 1.43 | 18.67 | 0.06 | 0.65 | – | – | 0.00 | 0.40 | |||
13 | KALLARKUTTY | IDK | 456.59 | 456.20 | 455.00 | 6.22 | 96.72 | 8.02 | 92.86 | 3.88 | 4.14 | 45.00 | 8.02 | 4.00 | Gate No. 2,3,4 – 15 cm | |||
14 | ERATTAYAR | IDK | 754.38 | 747.40 | 748.28 | 1.09 | 20.63 | 0 | – | 0.00 | ||||||||
15 | LOWER PERIYAR | IDK | 253 | 253.00 | 252.00 | 4.55 | 100.00 | 10.35 | 119.78 | 6.22 | 4.13 | 32.00 | 10.35 | 9.00 | Upper vent No. 3-20cm | |||
16 | MOOZHIYAR | PTTA | 192.63 | 190.60 | 190.00 | 0.89 | 76.29 | 2.94 | 34.02 | 3.03 | 0.53 | 6.08 | 3.56 | 2.00 | Gate No. 2-10cm | |||
17 | KALLAR | IDK | 824.48 | 820.50 | 823.50 | 0.20 | 26.61 | 0 | – | – | 0.00 | |||||||
18 | SENGULAM | IDK | 847.64 | 846.95 | 0.23 | 57.69 | 1.54 | 17.77 | 1.55 | – | – | 1.55 | 4.00 |