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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 | 136.74 | 325.000 | 29.82 | 1.74 | 55.32 | 0.00 | 0.00 | 55.32 | |
| 2 | IDUKKI | IDUKKI | 2408.5 ft | 2403 ft | 2373.6 ft | 536.81 | 1996.30 | 2346.54 ft | 1167.567 | 58.49 | 11.28 | 55.01 | 0.00 | 3.40 | 55.01 | |
| 3 | KAKKI (ANATHODE ) | PATHANAMTHITTA | 982.160 | 981.460 | 975.360 | 7.63 | 454.20 | 951.55 | 130.650 | 28.76 | -34.07 | 37.69 | 0.00 | Nil | 37.69 | |
| 4 | PAMBA | PATHANAMTHITTA | 986.330 | 986.330 | 981.460 | 8.07 | 39.22 | 963.55 | 8.35 | 21.29 | 0.00 | Nil | NA | |||
| 5 | KUTTIYADI (KAKKAYAM) | KOZHIKODU | 2487 ft | 2487 ft | 2466 ft | 4.42 | 38.4 | 2453.00 ft | 17.030 | 44.35 | 8.68 | 20.77 | 0.00 | Nil | 20.77 | |
| 6 | BANASURASAGAR (K A SCHEME) | WAYANADU | 775.60 | 775.60 | 767.00 | 23.75 | 209.25 | 759.40 | 49.800 | 23.80 | 0.64 | 9.78 | 0.00 | 0.00 | NA | |
| 7 | PORINGALKUTHU | THRISSUR | 423.980 | 423.980 | 419.410 | 1.70 | 32.00 | 415.10 | 11.520 | 36.00 | 5.74 | 10.02 | 0.00 | Nil | 10.02 | |
| 8 | SHOLAYAR | THRISSUR | 2663 ft | 2663 ft | 2642 ft | 3.40 | 153.49 | 2609.90 ft | 47.750 | 31.11 | -10.74 | 14.47 | 0.00 | Nil | 14.47 | |
| 9 | KALLARKUTTY | IDUKKI | 456.900 | 456.590 | 450.200 | 0.370 | 6.800 | 452.10 | 3.870 | 56.91 | -17.21 | 14.32 | 0.00 | 14.32 | ||
| 10 | MADUPETTY | IDUKKI | 1599.59 | 1599.59 | 1594.71 | 0.85 | 55.23 | 1586.70 | 25.100 | 45.45 | 3.55 | 2.40 | 0.00 | Nil | 2.40 | |
| 11 | KUNDALA | IDUKKI | 1759.30 | 1758.696 | 1756.86 | 0.350 | 7.7868 | 1741.50 | 0.991 | 12.73 | 0.09 | 4.63 | 0.00 | 0.00 | 4.63 | Sluice opened at 11.Am on 27.04.20 |
| 12 | LOWER PERIYAR | IDUKKI | 256.00 | 253.00 | 237.74 | 0.80 | 5.30 | 249.40 | 3.580 | 67.55 | -14.10 | 10.86 | 0.00 | 8.00 | 10.86 | |
| 13 | PONMUDI | IDUKKI | 708.660 | 707.930 | 701.350 | 4.14 | 51.54 | 695.60 | 27.3264 | 53.02 | 10.83 | 12.77 | 0.00 | 10.00 | 12.77 | |
| 14 | MOOZHIYAR | PATHANAMTHITTA | 192.940 | 192.630 | 186.530 | 0.34 | 1.50 | 187.80 | 0.888 | 59.20 | 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 | 846.50 | 0.440 | 61.97 | -4.16 | 4.16 | 0.00 | 4.16 | ||
| 18 | ANAYIRANKAL | IDUKKI | 1210.070 | 1207.020 | 1207.020 | 0.85 | 50.68 | 1195.76 | 11.3500 | 22.40 | 0.00 | 0.00 | 0.00 | 31.00 | 0.00 |