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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=16+18 | 16 | 17 | 18 | 19 |
| 1 | IDAMALAYAR | ERNAKULAM | 171.20 | 169.00 | 161.00 | 72.00 | 1089.80 | 128.28 | 196.14 | 133.42 | 268.590 | 24.65 | 14.35 | 56.13 | 0.00 | 0.00 | 56.13 | |
| 2 | IDUKKI | IDUKKI | 2408.5 ft | 2403 ft | 2373.6 ft | 536.81 | 1996.30 | 2319.92 ft | 868.938 | 2341.70 ft | 1104.171 | 55.31 | 6.56 | 61.64 | 0.00 | 0.00 | 61.64 | |
| 3 | KAKKI (ANATHODE ) | PATHANAMTHITTA | 982.160 | 981.460 | 975.360 | 7.63 | 454.20 | 943.98 | 88.30 | 944.76 | 91.800 | 20.21 | -39.26 | 45.52 | 0.00 | 0.00 | 45.52 | |
| 4 | PAMBA | PATHANAMTHITTA | 986.330 | 986.330 | 981.460 | 8.07 | 39.22 | 963.00 | 8.00 | 963.50 | 8.31 | 21.19 | 1.01 | 0.00 | 0.00 | 0.00 | NA | |
| 5 | KUTTIYADI (KAKKAYAM) | KOZHIKODU | 2487 ft | 2487 ft | 2466 ft | 4.42 | 38.4 | 2450.70ft | 14.81 | 2448.80 ft | 13.900 | 36.20 | 13.22 | 24.37 | 0.00 | 0.00 | 24.37 | |
| 6 | BANASURASAGAR (K A SCHEME) | WAYANADU | 775.60 | 775.60 | 767.00 | 23.75 | 209.25 | 755.95 | 28.90 | 758.10 | 41.000 | 19.59 | 5.27 | 10.19 | 0.00 | Nil | 10.19 | Diversion tunnel and river sluice opened |
| 7 | PORINGALKUTHU | THRISSUR | 423.980 | 423.980 | 419.410 | 1.70 | 32.00 | 415.00 | 11.15 | 412.05 | 6.860 | 21.44 | 9.16 | 12.98 | 0.00 | 0.00 | 12.98 | |
| 8 | SHOLAYAR | THRISSUR | 2663 ft | 2663 ft | 2642 ft | 3.40 | 153.49 | 2593.40ft | 27.13 | 2600.20 ft | 34.630 | 22.56 | -10.32 | 12.73 | 0.00 | 0.00 | 12.73 | |
| 9 | KALLARKUTTY | IDUKKI | 456.900 | 456.590 | 450.200 | 0.370 | 6.800 | 452.600 | 4.380 | 451.60 | 3.870 | 56.91 | -22.27 | 23.78 | 0.00 | 23.78 | ||
| 10 | MADUPETTY | IDUKKI | 1599.59 | 1599.59 | 1594.71 | 0.85 | 55.23 | 1574.30 | 10.75 | 1583.80 | 20.450 | 37.03 | 2.31 | 6.81 | 0.00 | 0.00 | 6.81 | |
| 11 | KUNDALA | IDUKKI | 1759.30 | 1758.696 | 1756.86 | 0.350 | 7.7868 | 1741.50 | 0.6000 | 1741.50 | 0.600 | 7.71 | 0.02 | 0.02 | 0.00 | 0.20 | 0.02 | Sluice dischage only. |
| 12 | LOWER PERIYAR | IDUKKI | 256.00 | 253.00 | 237.74 | 0.80 | 5.30 | 248.90 | 3.66 | 249.60 | 3.930 | 74.15 | -25.51 | 21.92 | 0.00 | Nil | 21.92 | |
| 13 | PONMUDI | IDUKKI | 708.660 | 707.930 | 701.350 | 4.14 | 51.54 | 686.40 | 13.5351 | 691.40 | 20.3232 | 39.43 | 9.34 | 19.39 | 0.00 | Nil | 19.39 | |
| 14 | MOOZHIYAR | PATHANAMTHITTA | 192.940 | 192.630 | 186.530 | 0.34 | 1.50 | 187.30 | 0.838 | 187.35 | 0.843 | 56.20 | 0.00 | 27.00 | ||||
| 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 | 745.30 | ||||||||||
| 17 | SENGULAM (PUMPING STORAGE DAM) | IDUKKI | 849.69 | 847.640 | 847.64 | 0.320 | 0.710 | 846.80 | 0.510 | 846.75 | 0.500 | 70.42 | -4.32 | 4.44 | 0.00 | Nil | 4.44 | |
| 18 | ANAYIRANKAL | IDUKKI | 1210.070 | 1207.020 | 1207.020 | 0.85 | 50.68 | 1188.45 | 1.8166 | 1190.72 | 2.9678 | 5.86 | 0.00 | 1.21 | 0.00 | 0.00 | 1.21 | Discharge through river sluice only. |