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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 | 135.25 | 295.750 | 27.14 | 10.42 | 56.94 | 0.00 | Nil | 56.94 | |
| 2 | IDUKKI | IDUKKI | 2408.5 ft | 2403 ft | 2373.6 ft | 536.81 | 1996.30 | 2344.14ft | 1134.129 | 56.81 | 7.37 | 68.17 | 0.00 | Nil | 68.17 | |
| 3 | KAKKI (ANATHODE ) | PATHANAMTHITTA | 982.160 | 981.460 | 975.360 | 7.63 | 454.20 | 948.47 | 110.150 | 24.25 | -38.91 | 45.99 | 0.00 | Nil | 45.99 | |
| 4 | PAMBA | PATHANAMTHITTA | 986.330 | 986.330 | 981.460 | 8.07 | 39.22 | 963.65 | 8.42 | 21.47 | 0.00 | Nil | NA | |||
| 5 | KUTTIYADI (KAKKAYAM) | KOZHIKODU | 2487 ft | 2487 ft | 2466 ft | 4.42 | 38.4 | 2451.60 ft | 15.270 | 39.77 | 10.01 | 11.19 | 0.00 | Nil | 11.19 | |
| 6 | BANASURASAGAR (K A SCHEME) | WAYANADU | 775.60 | 775.60 | 767.00 | 23.75 | 209.25 | 758.80 | 45.200 | 21.60 | 0.64 | 9.90 | 0.00 | Nil | NA | |
| 7 | PORINGALKUTHU | THRISSUR | 423.980 | 423.980 | 419.410 | 1.70 | 32.00 | 413.75 | 9.275 | 28.98 | 12.77 | 16.24 | 0.00 | Nil | 16.24 | |
| 8 | SHOLAYAR | THRISSUR | 2663 ft | 2663 ft | 2642 ft | 3.40 | 153.49 | 2605.60 ft | 41.380 | 26.96 | -11.53 | 15.05 | 0.00 | Nil | 15.05 | |
| 9 | KALLARKUTTY | IDUKKI | 456.900 | 456.590 | 450.200 | 0.370 | 6.800 | 451.95 | 4.050 | 59.56 | -14.43 | 15.59 | 0.00 | 15.59 | ||
| 10 | MADUPETTY | IDUKKI | 1599.59 | 1599.59 | 1594.71 | 0.85 | 55.23 | 1586.00 | 23.800 | 43.09 | 0.87 | 3.18 | 0.00 | Nil | 3.18 | |
| 11 | KUNDALA | IDUKKI | 1759.30 | 1758.696 | 1756.86 | 0.350 | 7.7868 | 1741.50 | 0.600 | 7.71 | 0.05 | 0.05 | 0.00 | Nil | 0.05 | Sluice opened at 11.Am on 27.04.20 |
| 12 | LOWER PERIYAR | IDUKKI | 256.00 | 253.00 | 237.74 | 0.80 | 5.30 | 249.30 | 3.820 | 72.08 | -13.15 | 14.88 | 0.00 | Nil | 14.88 | |
| 13 | PONMUDI | IDUKKI | 708.660 | 707.930 | 701.350 | 4.14 | 51.54 | 694.70 | 25.6527 | 49.77 | 8.66 | 16.40 | 0.00 | Nil | 16.40 | |
| 14 | MOOZHIYAR | PATHANAMTHITTA | 192.940 | 192.630 | 186.530 | 0.34 | 1.50 | 187.95 | 0.904 | 60.27 | 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 | 846.85 | 0.520 | 73.24 | -4.64 | 4.98 | 0.00 | 4.98 | ||
| 18 | ANAYIRANKAL | IDUKKI | 1210.070 | 1207.020 | 1207.020 | 0.85 | 50.68 | 1194.06 | 8.4046 | 16.58 | 0.00 | 3.61 | 0.00 | Nil | 3.61 |