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 | 2377.95 | 2362.62 ft | 2369.95 | 2375.95 | 2376.95 | 829.36 | 56.83 | 8.04 | 93.09 | 10.75 | – | – | 10.75 | 10.20 | |
2 | IDAMALAYAR | EKM | 169.00 | 161.75 | 153.50 | 160.25 | 160.75 | 161.25 | 596.65 | 58.62 | 7.34 | 84.97 | 6.15 | – | – | 6.15 | 25.00 | |
3 | KAKKI – ANATHODE | PTTA | 981.46 | 975.36 | 969.28 | 973.36 | 974.36 | 974.86 | 271.10 | 60.72 | 3.56 | 41.16 | 4.89 | – | – | 4.89 | 53.00 | |
4 | BANASURASAGAR (K A S) | WND | 775.60 | 773.50 | 771.20 | 772.00 | 772.50 | 773.00 | 148.75 | 74.00 | 2.40 | 27.78 | – | – | 0.00 | 3.20 | Tunnel fully opened; Tunnel discharge – Nil. | |
5 | SHOLAYAR | TSR | 2663.00 ft | 2642.70 ft | 2658.00 | 2660.00 | 2661.00 | 98.87 | 66.32 | 3.22 | 37.31 | 1.31 | – | – | 1.31 | 46.20 | ||
6 | MADUPETTY | IDK | 1599.59 | 1596.90 | 1596.00 | 1597.00 | 1598.00 | 47.19 | 86.16 | 0.48 | 5.59 | 0.61 | – | – | 0.61 | 1.00 | ||
7 | ANAYIRANKAL | IDK | 1207.02 | 1201.91 | 1205.02 | 1206.02 | 1207.02 | 28.99 | 58.19 | 0.03 | 0.37 | – | – | 0.00 | 0.00 | |||
8 | PONMUDI | IDK | 707.75 | 705.40 | 704.50 | 705.50 | 706.50 | 41.35 | 87.23 | 2.19 | 25.33 | 1.76 | 0.66 | 7.67 | 2.42 | 11.00 | Gate #2- 10 cm | |
9 | KUTTIYADI (KAKKAYAM) | KKD | 758.04 | 756.21 | 755.50 | 756.50 | 757.50 | 29.41 | 86.55 | 2.23 | 25.86 | 3.30 | – | – | 3.30 | 41.00 | ||
10 | PAMBA | PTTA | 986.33 | 969.80 | 982.00 | 983.50 | 984.50 | 5.98 | 19.20 | 0.75 | 8.68 | – | – | 0.00 | 23.00 | |||
11 | PORINGALKUTHU | TSR | 423.98 | 419.95 | 421.00 | 422.00 | 423.00 | 19.63 | 64.79 | 9.67 | 111.93 | 5.09 | 4.45 | 58.33 | 9.55 | 54.30 | 7 crest gates are fully opened for 4.50 m. | |
12 | KUNDALA | IDK | 1758.69 | 1747.60 | 1755.00 | 1756.00 | 1757.00 | 1.76 | 22.95 | 0.07 | 0.83 | – | – | 0.00 | 0.20 | |||
13 | KALLARKUTTY | IDK | 456.59 | 456.50 | 455.00 | 6.38 | 99.28 | 5.36 | 61.99 | 3.86 | 1.30 | 15.00 | 5.16 | 21.00 | Gate No. 3 – 30 cm | |||
14 | ERATTAYAR | IDK | 754.38 | 747.10 | 748.28 | 0.98 | 18.43 | 0 | – | 0.00 | ||||||||
15 | LOWER PERIYAR | IDK | 253 | 252.80 | 252.00 | 4.46 | 98.11 | 8.19 | 94.77 | 6.25 | 2.03 | 32.00 | 8.27 | 21.00 | Upper vent No.1-20cm | |||
16 | MOOZHIYAR | PTTA | 192.63 | 192.00 | 190.00 | 1.08 | 92.67 | 3.93 | 45.45 | 3.03 | 0.84 | 11.00 | 3.87 | 21.00 | Gate No. 2-20cm | |||
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 | 1.40 | 16.16 | 1.41 | – | – | 1.41 | 4.10 |