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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 | 129.13 | 207.26 | 134.23 | 280.450 | 25.73 | 11.57 | 58.10 | 0.00 | Nil | 58.10 | |
| 2 | IDUKKI | IDUKKI | 2408.5 ft | 2403 ft | 2373.6 ft | 536.81 | 1996.30 | 2322.16 ft | 892.73 | 2342.860 ft | 1118.402 | 56.02 | 12.60 | 59.13 | 0.00 | 0.20 | 59.13 | |
| 3 | KAKKI (ANATHODE ) | PATHANAMTHITTA | 982.160 | 981.460 | 975.360 | 7.63 | 454.20 | 945.84 | 96.85 | 946.66 | 100.800 | 22.19 | 8.72 | 37.84 | 0.00 | 9.00 | 37.84 | |
| 4 | PAMBA | PATHANAMTHITTA | 986.330 | 986.330 | 981.460 | 8.07 | 39.22 | 963.00 | 8.00 | 963.55 | 8.35 | 21.29 | 0.81 | 0.00 | Nil | NA | ||
| 5 | KUTTIYADI (KAKKAYAM) | KOZHIKODU | 2487 ft | 2487 ft | 2466 ft | 4.42 | 38.4 | 2450.00ft | 14.47 | 2453.70 ft | 16.360 | 42.60 | 11.44 | 12.06 | 0.00 | Nil | 12.06 | |
| 6 | BANASURASAGAR (K A SCHEME) | WAYANADU | 775.60 | 775.60 | 767.00 | 23.75 | 209.25 | 756.15 | 29.80 | 758.40 | 42.800 | 20.45 | 2.49 | 9.72 | 0.00 | Nil | 9.72 | Diversion tunnel and river sluice opened |
| 7 | PORINGALKUTHU | THRISSUR | 423.980 | 423.980 | 419.410 | 1.70 | 32.00 | 414.00 | 9.65 | 412.80 | 7.870 | 24.59 | 11.28 | 13.71 | 0.00 | Nil | 13.71 | |
| 8 | SHOLAYAR | THRISSUR | 2663 ft | 2663 ft | 2642 ft | 3.40 | 153.49 | 2595.800ft | 29.58 | 2602.60 ft | 37.640 | 24.52 | -12.97 | 13.19 | 0.00 | Nil | 13.19 | |
| 9 | KALLARKUTTY | IDUKKI | 456.900 | 456.590 | 450.200 | 0.370 | 6.800 | 451.900 | 4.020 | 453.90 | 5.130 | 75.44 | -19.08 | 20.58 | 0.00 | 20.58 | ||
| 10 | MADUPETTY | IDUKKI | 1599.59 | 1599.59 | 1594.71 | 0.85 | 55.23 | 1575.90 | 10.75 | 1584.80 | 21.950 | 39.74 | 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 dischage only. |
| 12 | LOWER PERIYAR | IDUKKI | 256.00 | 253.00 | 237.74 | 0.80 | 5.30 | 248.10 | 3.35 | 249.20 | 3.780 | 71.32 | -21.19 | 22.93 | 0.00 | 21.00 | 22.93 | |
| 13 | PONMUDI | IDUKKI | 708.660 | 707.930 | 701.350 | 4.14 | 51.54 | 687.10 | 14.23 | 692.85 | 22.6127 | 43.87 | 11.11 | 19.34 | 0.00 | Nil | 19.34 | |
| 14 | MOOZHIYAR | PATHANAMTHITTA | 192.940 | 192.630 | 186.530 | 0.34 | 1.50 | 183.30 | 0.47 | 183.00 | 0.448 | 29.87 | 0.00 | 2.00 | ||||
| 15 | KALLAR | IDUKKI | 824.480 | 824.480 | 818.380 | 0.03 | 0.79 | 819.10 | ||||||||||
| 16 | ERATTAYAR | IDUKKI | 754.380 | 754.380 | 748.280 | 0.266 | 5.35 | 745.30 | ||||||||||
| 17 | SENGULAM (PUMPING STORAGE DAM) | IDUKKI | 849.69 | 847.640 | 847.64 | 0.320 | 0.710 | 846.900 | 0.530 | 846.75 | 0.500 | 70.42 | -6.34 | 4.83 | 0.00 | Nil | 4.83 | |
| 18 | ANAYIRANKAL | IDUKKI | 1210.070 | 1207.020 | 1207.020 | 0.85 | 50.68 | 1188.45 | 1.82 | 1192.28 | 5.3175 | 10.49 | 0.00 | 1.20 | 0.00 | Nil | 1.20 | Discharge through river sluice only. |