| 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 | 138.81 | 358.485 | 32.89 | 1.45 | 43.63 | 0.00 | Nil | 43.63 | |
| 2 | IDUKKI | IDUKKI | 2408.5 ft | 2403 ft | 2373.6 ft | 536.81 | 1996.30 | 2350.56 ft | 1213.010 | 60.76 | 9.85 | 64.95 | 0.00 | Nil | 64.95 | |
| 3 | KAKKI (ANATHODE ) | PATHANAMTHITTA | 982.160 | 981.460 | 975.360 | 7.63 | 454.20 | 956.10 | 158.700 | 34.94 | -24.49 | 34.40 | 0.00 | 65.00 | 34.40 | |
| 4 | PAMBA | PATHANAMTHITTA | 986.330 | 986.330 | 981.460 | 8.07 | 39.22 | 963.50 | 8.31 | 21.19 | 0.00 | 18.00 | NA | |||
| 5 | KUTTIYADI (KAKKAYAM) | KOZHIKODU | 2487 ft | 2487 ft | 2466 ft | 4.42 | 38.4 | 2460.10 ft | 19.880 | 51.77 | 9.42 | 16.48 | 0.00 | 2.00 | 16.48 | |
| 6 | BANASURASAGAR (K A SCHEME) | WAYANADU | 775.60 | 775.60 | 767.00 | 23.75 | 209.25 | 760.40 | 55.800 | 26.67 | 0.17 | 9.43 | 0.00 | Nil | NA | |
| 7 | PORINGALKUTHU | THRISSUR | 423.980 | 423.980 | 419.410 | 1.70 | 32.00 | 414.30 | 10.100 | 31.56 | 8.86 | 8.86 | 0.00 | 43.00 | 8.86 | |
| 8 | SHOLAYAR | THRISSUR | 2663 ft | 2663 ft | 2642 ft | 3.40 | 153.49 | 2615.70 ft | 54.920 | 35.78 | -5.10 | 7.06 | 0.00 | 24.00 | 7.06 | |
| 9 | KALLARKUTTY | IDUKKI | 456.900 | 456.590 | 450.200 | 0.370 | 6.800 | 451.70 | 3.920 | 57.65 | -9.41 | 8.83 | 0.00 | 8.83 | ||
| 10 | MADUPETTY | IDUKKI | 1599.59 | 1599.59 | 1594.71 | 0.85 | 55.23 | 1585.50 | 23.000 | 41.64 | 5.07 | 3.33 | 0.00 | Nil | 3.33 | |
| 11 | KUNDALA | IDUKKI | 1759.30 | 1758.696 | 1756.86 | 0.350 | 7.7868 | 1755.40 | 5.560 | 71.40 | 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 | 249.40 | 3.860 | 72.83 | -11.18 | 10.26 | 0.00 | Nil | 10.26 | |
| 13 | PONMUDI | IDUKKI | 708.660 | 707.930 | 701.350 | 4.14 | 51.54 | 695.65 | 27.2410 | 52.85 | 11.72 | 8.81 | 0.00 | 17.00 | 8.81 | |
| 14 | MOOZHIYAR | PATHANAMTHITTA | 192.940 | 192.630 | 186.530 | 0.34 | 1.50 | 187.45 | 0.853 | 56.87 | 0.00 | 4.00 | ||||
| 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 | 846.80 | 0.510 | 71.83 | -4.06 | 3.83 | 0.00 | 3.83 | ||
| 18 | ANAYIRANKAL | IDUKKI | 1210.070 | 1207.020 | 1207.020 | 0.85 | 50.68 | 1198.70 | 18.7722 | 37.04 | 0.00 | 7.37 | 7.37 | 19.30 | 0.00 |
