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 | 2364.06 ft | 2367.33 | 2373.33 | 2374.33 | 849.82 | 58.23 | 8.74 | 101.16 | 11.16 | – | – | 11.16 | 15.60 | |
2 | IDAMALAYAR | EKM | 169.00 | 161.50 | 153.25 | 160.00 | 160.50 | 161.00 | 590.74 | 58.04 | 6.31 | 73.07 | 5.83 | – | – | 5.83 | 16.40 | |
3 | KAKKI – ANATHODE | PTTA | 981.46 | 975.36 | 970.14 | 973.36 | 974.36 | 974.86 | 281.43 | 63.03 | 4.53 | 52.44 | 4.89 | – | – | 4.89 | 22.00 | |
4 | BANASURASAGAR (K A S) | WND | 775.60 | 771.00 | 770.00 | 769.50 | 770.00 | 770.50 | 134.55 | 66.94 | 2.68 | 31.02 | 1.88 | 21.48 | 1.88 | 24.40 | Tunnel fully closed; Gate#2&3- 20cm | |
5 | SHOLAYAR | TSR | 2663.00 ft | 2636.80 ft | 2658.00 | 2660.00 | 2661.00 | 86.66 | 58.13 | 2.99 | 34.55 | 0.84 | – | – | 0.84 | 24.00 | ||
6 | MADUPETTY | IDK | 1599.59 | 1597.10 | 1596.00 | 1597.00 | 1598.00 | 47.69 | 87.07 | 0.57 | 6.55 | 0.57 | – | – | 0.57 | 6.00 | ||
7 | ANAYIRANKAL | IDK | 1207.02 | 1201.65 | 1205.02 | 1206.02 | 1207.02 | 28.17 | 56.52 | 0.13 | 1.47 | – | – | 0.00 | 0.00 | |||
8 | PONMUDI | IDK | 707.75 | 706.50 | 704.50 | 705.50 | 706.50 | 43.90 | 92.62 | 1.96 | 22.7 | 1.76 | 0.66 | 7.70 | 2.42 | 5.00 | Gate #2- 10 cm | |
9 | KUTTIYADI (KAKKAYAM) | KKD | 758.04 | 756.64 | 755.50 | 756.50 | 757.50 | 30.48 | 89.69 | 2.22 | 25.7 | 3.21 | – | – | 3.21 | 46.00 | Gate #1 &2- closed | |
10 | PAMBA | PTTA | 986.33 | 972.15 | 982.00 | 983.50 | 984.50 | 8.48 | 27.22 | 0.91 | 10.58 | – | – | 0.00 | 11.00 | |||
11 | PORINGALKUTHU | TSR | 423.98 | 419.80 | 421.00 | 422.00 | 423.00 | 19.25 | 63.53 | 7.74 | 89.55 | 4.75 | 2.99 | 35.97 | 7.74 | 19.20 | 7 crest gates are fully opened for 4.50 m, | |
12 | KUNDALA | IDK | 1758.69 | 1746.40 | 1755.00 | 1756.00 | 1757.00 | 1.37 | 17.93 | 0.07 | 0.81 | – | – | 0.00 | 2.00 | |||
13 | KALLARKUTTY | IDK | 456.59 | 456.20 | 455.00 | 6.22 | 96.72 | 8.54 | 98.89 | 3.88 | 4.63 | 60.00 | 8.51 | 4.00 | Gate No. 2,3,4 & 5- 15 cm | |||
14 | ERATTAYAR | IDK | 754.38 | 747.50 | 748.28 | 1.13 | 21.36 | 0 | – | 0.00 | ||||||||
15 | LOWER PERIYAR | IDK | 253 | 253.00 | 252.00 | 4.55 | 100.00 | 11.34 | 131.22 | 6.22 | 5.03 | 35.56 | 11.25 | 8.00 | Upper vent No. 3-20cm | |||
16 | MOOZHIYAR | PTTA | 192.63 | 191.20 | 190.00 | 0.82 | 70.43 | 3.99 | 46.12 | 3.46 | 0.85 | 15.47 | 4.31 | 3.00 | Gate No. 2-30cm | |||
17 | KALLAR | IDK | 824.48 | 820.50 | 823.50 | 0.20 | 26.61 | 0 | – | – | 0.00 | |||||||
18 | SENGULAM | IDK | 847.64 | 847.00 | 0.24 | 60.51 | 1.54 | 17.84 | 1.54 | – | – | 1.54 | 1.00 |