Major Reservoirs Idukki Idamalayar Kakki –Anathode Banasurasagar Idukki dam Idamalayar dam Kakki dam Banasurasagar dam Cheruthoni dam Anathode dam Kuttiyadi Augmentation Spillway dam Kulamavu dam Kuttiyadi saddle dam Kulamavu Saddle 1 Kosani saddle dam Kulamavu Saddle 2(RB) Kottagiri saddle dam Near Kottagiri saddle dam Manjoora saddle dam Nayamoola saddle dam
Other Reservoirs Pamba Pamba dam Moozhiyar Moozhiyar dam Poringalkuthu Poringalkuthu dam Sholayar Sholayar Main Dam Sholayar Flanking dam Sholayar Saddle dam Kundala Kundala dam Madupetty Madupetty Dam Ponmudi Ponmudi dam Anayirankal Anayirankal Dam Lower Periyar Lower Periyar dam Kallarkutty Kallarkutty Dam Kuttiyadi Kuttiyadi dam Sengulam Sengulam Dam Kallar Kallar Dam Erattayar Erattayar Dam
Diversion Structures district wise Thiruvananthapuram Pathanamthitta Idukki Malappuram Kozhikkode Lower Meenmutty Kullar–Gavi Reservoir Narakakkanam Adyanpara Urumi 1 Kullar Dam Azutha Urumi II Gavi dam Vadakkepuzha Chempukadavu Meenar 1 Kuttiyar Poozhithodu Meenar2 Vazhikkadavu Panoth Kochu Pamba RA Headworks Valook Upper Moozhiyar Parakkadavu Veluthodu Mullakanam Ranni Perinad Viripara Perunthenaruvi Vellathooval
Basic Details of 59 Dams of KSEB Limited
Sl.No Name of the Dam District in which dam is situated Full reservoir level (m) Whether gated dam or nor (Yes/No) Whether large dam or not (Yes/No) Criteria for classification as a major dam 1 Pamba Pathanamthitta 986.33 Yes Yes * 2 Anathode Pathanamthitta 981.46 Yes Yes 3 Kakki Pathanamthitta 981.46 No Yes 4 Upper Moozhiyar Pathanamthitta 983 No Yes 5 Kullar Pathanamthitta 1136.9 No Yes 6 Meenar I Pathanamthitta 1075.94 No Yes 7 Meenar II Pathanamthitta 1041.5 No Yes 8 Gavi Pathanamthitta 1136.9 No Yes 9 Kochupamba Pathanamthitta 935.73 No No 10 Ranni Perunad Pathanamthitta 18.10 No No 11 Perunthenaruvi Pathanamthitta 51.00 No No 12 Moozhiyar Pathanamthitta 192.63 Yes Yes 13 Veluthode Pathanamthitta 192.00 Yes Yes 14 Lower Meenmutty Thiruvananthapuram 62.75 No No 15 Idukki Idukki 732.62 No Yes 16 Cheruthoni Idukki 732.62 Yes Yes 17 Kulamavu Idukki 732.62 No Yes 18 Kulamavu saddle (Near Junction) Idukki 732.62 No Yes 19 Kulamavu saddle(right bank) Idukki 732.62 No Yes 20 Erattayar Idukki 754.38 Yes Yes 21 Kallar Idukki 824.48 Yes No 22 Narakakkanam Idukki 768.00 No No 23 Azhutha Idukki 956.00 No No 24 Vadakkepuzha Idukki 723.25 No No 25 Kuttiyar Idukki 795.50 No No 26 Vazhikkadav Idukki 936.70 No No 27 Kundala Idukki 1758.69 Yes Yes 28 Mattupetty Idukki 1599.59 Yes Yes 29 RA Head works Idukki 1450.92 No 30 Sengulam Idukki 847.65 No Yes 31 Ponmudi Idukki 707.75 Yes Yes 32 Anayirankal Idukki 1207.02 No Yes 33 Parakkadav Idukki 722.30 No No 34 Mullakkanam Idukki 717.5 No No 35 Kallarkutty Idukki 456.59 Yes Yes 36 Viripara weir Idukki 1141.59 No No 37 Lowerperiyar (Pambla dam) Idukki 253 Yes Yes 38 Vellathooval Idukki 472 No 39 Banasurasagar Wayanad 775.6 No Yes 40 Kuttiyadi spillway Wayanad 775.6 Yes Yes 41 Kuttiyadi saddle Wayanad 775.6 No Yes 42 Kozani saddle Wayanad 775.6 No No 43 Nayamoola saddle Wayanad 775.6 No No 44 Manjoora saddle Wayanad 775.6 No No 45 Kottagiri saddle Wayanad 775.6 No No 46 Near kottagiri saddle Wayanad 775.6 No No 47 Kuttiyadi (Kakkayam) Kozhikode 758.04 Yes Yes 48 Urumi I Kozhikode No No 49 Urumi II Kozhikode 107.1 No No 50 Chembukkadav Kozhikode 302.9 No No 51 Poozhithode Kozhikode 271.35 No No 52 Panoth Kozhikode 185.05 No No 53 Valook Kozhikode 183.9 No No 54 Aadyanpara Malappuram 201.11 No No 55 Idamalayar Thrissur 169 Yes Yes 56 Poringalkuthu Thrissur 423.98 Yes Yes 57 Sholayar main Thrissur 811.69 No Yes 58 Sholayar flanking Thrissur 811.69 Yes Yes 59 Sholayar saddle Thrissur 811.69 No Yes
There is no classification as ‘major ‘dams. As per International Commission On Large Dams (ICOLD) Specification a large dam is classified as one with a max. height of more than 15m from its deepest foundation to the crest.