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| Sl. No. | Name of Dam / Reservoir | District | Maximum Water Level (MWL) (metre) | Full Reservoir Level (metre) | Spillway Crest Level (metre) | Dead Storage (Million cubic metre) | Gross Storage (Million cubic metre) | Previous | Present | Percentage Storage respect to Gross Storage | Inflow (m3/Sec) | Outflow (m3/Sec) | Spillway release (m3/Sec) | Rainfall (mm) At 7 AM | Power House Discharge(m3/Sec) | Remarks | ||
| Water level (metre) | Storage (Million cubic metre) | Water level (metre) | Storage (Million cubic metre) | |||||||||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15=14+16 | 16 | 17 | 18 | 19 |
| 1 | IDAMALAYAR | ERNAKULAM | 171.20 | 169.00 | 161.00 | 72.00 | 1089.80 | 129.78 | 216.03 | 134.72 | 287.800 | 26.41 | 3.01 | 51.27 | 0.00 | 20.20 | 51.27 | |
| 2 | IDUKKI | IDUKKI | 2408.5 ft | 2403 ft | 2373.6 ft | 536.81 | 1996.30 | 2323.22 | 904.07 | 2343.54ft | 1126.755 | 56.44 | 16.26 | 51.45 | 0.00 | 15.40 | 51.45 | |
| 3 | KAKKI (ANATHODE ) | PATHANAMTHITTA | 982.160 | 981.460 | 975.360 | 7.63 | 454.20 | 947.01 | 103.05 | 947.71 | 106.150 | 23.37 | 8.71 | 29.85 | 0.00 | 48.00 | 29.85 | |
| 4 | PAMBA | PATHANAMTHITTA | 986.330 | 986.330 | 981.460 | 8.07 | 39.22 | 963.00 | 8.00 | 963.60 | 8.38 | 21.37 | 0.00 | 15.00 | NA | |||
| 5 | KUTTIYADI (KAKKAYAM) | KOZHIKODU | 2487 ft | 2487 ft | 2466 ft | 4.42 | 38.4 | 2450.60ft | 14.77 | 2452.60 ft | 15.780 | 41.09 | 11.46 | 10.26 | 0.00 | 1.00 | 10.26 | |
| 6 | BANASURASAGAR (K A SCHEME) | WAYANADU | 775.60 | 775.60 | 767.00 | 23.75 | 209.25 | 756.45 | 31.60 | 758.60 | 44.000 | 21.03 | 2.72 | 9.66 | 0.00 | Nil | NA | |
| 7 | PORINGALKUTHU | THRISSUR | 423.980 | 423.980 | 419.410 | 1.70 | 32.00 | 413.60 | 9.37 | 413.35 | 8.670 | 27.09 | 11.95 | 14.61 | 0.00 | 18.20 | 14.61 | |
| 8 | SHOLAYAR | THRISSUR | 2663 ft | 2663 ft | 2642 ft | 3.40 | 153.49 | 2596.80ft | 30.66 | 2604.20 ft | 39.640 | 25.83 | -10.09 | 13.19 | 0.00 | 2.00 | 13.19 | |
| 9 | KALLARKUTTY | IDUKKI | 456.900 | 456.590 | 450.200 | 0.370 | 6.800 | 452.200 | 4.170 | 452.90 | 4.530 | 66.62 | -20.23 | 24.28 | 0.00 | 24.28 | ||
| 10 | MADUPETTY | IDUKKI | 1599.59 | 1599.59 | 1594.71 | 0.85 | 55.23 | 1576.80 | 11.55 | 1585.50 | 23.000 | 41.64 | 1.84 | 7.05 | 0.00 | Nil | 7.05 | |
| 11 | KUNDALA | IDUKKI | 1759.30 | 1758.696 | 1756.86 | 0.350 | 7.7868 | 1741.5000 | 0.6000 | 1741.50 | 0.600 | 7.71 | 0.02 | 0.02 | 0.00 | Nil | 0.02 | Sluice opened at 11.Am on 27.04.20 |
| 12 | LOWER PERIYAR | IDUKKI | 256.00 | 253.00 | 237.74 | 0.80 | 5.30 | 248..90 | 3.66 | 249.90 | 4.050 | 76.42 | -22.26 | 22.73 | 0.00 | 4.00 | 22.73 | |
| 13 | PONMUDI | IDUKKI | 708.660 | 707.930 | 701.350 | 4.14 | 51.54 | 687.55 | 14.77 | 693.70 | 23.9808 | 46.53 | 7.74 | 19.07 | 0.00 | 9.00 | 19.07 | |
| 14 | MOOZHIYAR | PATHANAMTHITTA | 192.940 | 192.630 | 186.530 | 0.34 | 1.50 | 187.50 | 0.86 | 186.15 | 0.720 | 48.00 | 0.00 | 36.00 | ||||
| 15 | KALLAR | IDUKKI | 824.480 | 824.480 | 818.380 | 0.03 | 0.79 | |||||||||||
| 16 | ERATTAYAR | IDUKKI | 754.380 | 754.380 | 748.280 | 0.266 | 5.35 | |||||||||||
| 17 | SENGULAM (PUMPING STORAGE DAM) | IDUKKI | 849.69 | 847.640 | 847.64 | 0.320 | 0.710 | 846.800 | 0.510 | 846.70 | 0.490 | 69.01 | -5.92 | 5.57 | 0.00 | Nil | 5.57 | |
| 18 | ANAYIRANKAL | IDUKKI | 1210.070 | 1207.020 | 1207.020 | 0.85 | 50.68 | 1188.45 | 1.82 | 1193.22 | 6.9478 | 13.71 | 0.00 | 4.82 | 0.00 | 7.00 | 4.82 | Discharge through river sluice |