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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) | Water level (metre) | Storage (Million cubic metre) | Percentage Storage respect to Gross Storage | Net Inflow (m3/Sec) | Outflow (m3/Sec) | Spillway release (m3/Sec) | Rainfall (mm) At 7 AM | Power House Discharge(m3/Sec) | Remarks |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13=14+16 | 14 | 15 | 16 | 17 |
| 1 | IDAMALAYAR | ERNAKULAM | 171.20 | 169.00 | 161.00 | 72.00 | 1089.80 | 138.30 | 349.050 | 32.03 | 4.80 | 44.79 | 0.00 | Nil | 44.79 | |
| 2 | IDUKKI | IDUKKI | 2408.5 ft | 2403 ft | 2373.6 ft | 536.81 | 1996.30 | 2349.34 ft | 1198.017 | 60.01 | 7.99 | 65.94 | 0.00 | Nil | 65.94 | |
| 3 | KAKKI (ANATHODE ) | PATHANAMTHITTA | 982.160 | 981.460 | 975.360 | 7.63 | 454.20 | 954.84 | 149.350 | 32.88 | -34.34 | 41.66 | 0.00 | Nil | 41.66 | |
| 4 | PAMBA | PATHANAMTHITTA | 986.330 | 986.330 | 981.460 | 8.07 | 39.22 | 963.50 | 8.31 | 21.19 | 0.00 | Nil | NA | |||
| 5 | KUTTIYADI (KAKKAYAM) | KOZHIKODU | 2487 ft | 2487 ft | 2466 ft | 4.42 | 38.4 | 2459.00 ft | 19.210 | 50.03 | 13.62 | 6.68 | 0.00 | Nil | 6.68 | |
| 6 | BANASURASAGAR (K A SCHEME) | WAYANADU | 775.60 | 775.60 | 767.00 | 23.75 | 209.25 | 760.10 | 53.600 | 25.62 | 2.49 | 9.43 | 0.00 | Nil | NA | |
| 7 | PORINGALKUTHU | THRISSUR | 423.980 | 423.980 | 419.410 | 1.70 | 32.00 | 414.90 | 11.000 | 34.38 | 12.64 | 9.16 | 0.00 | Nil | 9.16 | |
| 8 | SHOLAYAR | THRISSUR | 2663 ft | 2663 ft | 2642 ft | 3.40 | 153.49 | 2613.80 ft | 52.170 | 33.99 | -11.50 | 14.12 | 0.00 | 2.00 | 14.12 | |
| 9 | KALLARKUTTY | IDUKKI | 456.900 | 456.590 | 450.200 | 0.370 | 6.800 | 452.75 | 4.450 | 65.44 | -14.46 | 12.49 | 0.00 | 12.49 | ||
| 10 | MADUPETTY | IDUKKI | 1599.59 | 1599.59 | 1594.71 | 0.85 | 55.23 | 1586.00 | 23.800 | 43.09 | 5.74 | 3.43 | 0.00 | 3.00 | 3.43 | |
| 11 | KUNDALA | IDUKKI | 1759.30 | 1758.696 | 1756.86 | 0.350 | 7.7868 | 1751.00 | 3.430 | 44.05 | 0.09 | 6.00 | 0.00 | Nil | 6.00 | Sluice opened at 11.Am on 27.04.20 |
| 12 | LOWER PERIYAR | IDUKKI | 256.00 | 253.00 | 237.74 | 0.80 | 5.30 | 249.70 | 3.970 | 74.91 | -13.64 | 10.06 | 0.00 | Nil | 10.06 | |
| 13 | PONMUDI | IDUKKI | 708.660 | 707.930 | 701.350 | 4.14 | 51.54 | 696.10 | 27.9930 | 54.31 | 11.46 | 8.56 | 0.00 | Nil | 8.56 | |
| 14 | MOOZHIYAR | PATHANAMTHITTA | 192.940 | 192.630 | 186.530 | 0.34 | 1.50 | 187.00 | 0.806 | 53.73 | 0.00 | Nil | ||||
| 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 | 846.80 | 0.510 | 71.83 | -5.20 | 4.62 | 0.00 | 4.62 | ||
| 18 | ANAYIRANKAL | IDUKKI | 1210.070 | 1207.020 | 1207.020 | 0.85 | 50.68 | 1197.83 | 16.0017 | 31.57 | 0.00 | 10.69 | 10.69 | Nil | 0.00 |