There are a total of 81 dams in the Indian state of Kerala. Of which, the Kerala State Electricity Board owns 59 dams which form 45 reservoirs, the Kerala Irrigation Department owns 20 dams which form 20 reservoirs and the Kerala Water Authority vests the control of 2 dams with 2 reservoirs.
Three dams Munnar Headworks Dam, Pambla Dam and Maniyar Dam have no drainage area across the river. The Idukki Dam and Idamalayar Dam together hold 48 percent of the total storage capacity of all dams in the state. There are multiple dams in 3 reservoirs - Gavi Dam, Kakki dam and Idukki Dam. In addition, there are 10 large barrages also in the state. Out of the 81 dams 37 reservoirs are used for hydroelectric power, 27 reservoirs are used for irrigation and 9 reservoirs are used for both hydroelectric power and irrigation.
List of Dams +District WiseDistrict/CityNumber of DamsThiruvananthapuram3Kollam1Pathanamthitta11Idukki20Ernakulam2Thrissur6Palakkad15Wayanad2Kozhikode2Kannur1Total63 NumberNameRiverArea (km2)DistrictOwner CompletedTypeFull Reservoir Level (FRL) in MetersNumber of Shutters Co-ordinateAltitude (m)1.Malampuzha DamBharathapuzha River23.13Palakkad Kerala Irrigation Department1955115.0641042.Mangalam DamBharathapuzha River3.93Palakkad196677.885723.Meenkara DamBharathapuzha River2.59Palakkad1960156.361524.Chulliar DamBharathapuzha River1.59Palakkad154.081435.Pothundi DamBharathapuzha River3.63Palakkad108.204936.Walayar DamBharathapuzha River2.59Palakkad203.001977.Siruvani DamSiruvani RiverPalakkad1984878.58.Kanjirapuzha DamBharathapuzha River5.12Palakkad97.5353909.Kanjhirapuzha baby DamBharathapuzha River2.12Palakkad36.523210.Parambikulam DamChalakkudy River20.92Palakkad54511Thunakkadavu DamChalakkudy River2.83Palakkad56512.Peruvaaripallam DamChalakkudy RiverPalakkad56513.Sholayar DamChalakkudy River8.70Thrissur Kerala State Electricity Board1966811.68m14.Peringalkuthu DamChalakkudy River2.82Thrissur1957424m15.Thenmala DamKallada River25.90KollamKerala Irrigation Department198616.Aruvikkara DamKaramana River2.58ThiruvananthapuramKerala Water Authority 17.Peechi DamKaruvanoor River12.63ThrissurKerala Irrigation Department 7318.Vazhani DamKeecheri River2.55Thrissur 19.Kuttiady DamKuttiady River10.52Kozhikode199344.4119.Neyyar DamNeyyar River15.00Thiruvananthapuram84.75 20.Pamba DamPamba River90.88PathanamthittaKerala State Electricity Board 986.332821.KakkiPamba River17.6Pathanamthitta981.456981m22.Idukki DamPeriyar River61.60Idukki 72023.Ponmudi DamPeriyar River2.60Idukki24.Anayirankal DamPeriyar River4.33IdukkiKerala State Electricity Board1967 25.Kundala DamPeriyar River2.30Idukki26.Mattupatti DamPeriyar River3.24Idukki 27.Sengulam DamPeriyar River0.33Idukki 28.Neriamangalam DamPeriyar River4.13Ernakulam29.Bhoothathankettu DamPeriyar River6.08Ernakulam30.Periyar LakePeriyar River28.90Idukki31.Pazhassi Dam (Kuyilur Barrage)Valapattanam River6.48KannurKerala Irrigation Department26.52 32.Peppara DamKaramana River5.82ThiruvananthapuramKerala Water Authority33.Malankara DamMuvattupuzha River11.00Idukki Kerala Irrigation Department199442.0034.Chimmony DamKurumali River8.5067Thrissur 40.0035.Banasura Sagar DamKabini RiverWayanad36.Karapuzha DamKarapuzha RiverWayanadKerala Irrigation Department 37.Mullaperiyar DamPeriyar RiverIdukki38.Cheruthoni DamPeriyar RiverIdukki39.Kulamavu DamPeriyar RiverIdukki40.Erattayar DamErattayar LakeIdukki41.Kakkayam DamKuttiyadi River7.15KozhikodeKerala Irrigation Department 42.Asurankund DamChelakkara RiverThrissur43.Maniyar DamKakkattarPathanamthittaKerala Irrigation Department 44.Moozhiyar DamPambaPathanamthittaKerala State Electricity Board45. Perunthenaruvi WeirPambaPathanamthitta46. Karikkayam DamKakkattarPathanamthittaEnergy Development Company Limited 747. Allunkal DamKakkattarPathanamthitta548. Kochu Pamba WeirPambaPathanamthittaKerala State Electricity Board49. Anathode DamPambaPathanamthitta50. Veluthodu DamPambaPathanamthitta51.Idamalayar DamPeriyar River28.3Ernakulam198516952.Kallarkutty DamMuthirappuzha River281.24Idukki1961456.653.Pambla DamPeriyar RiverIdukki25354.Munnar Headworks DamMuthirapuzha RiverIdukki194055.Moolathara Dam RiverPalakkadKerala Irrigation Department1963184.40556.Thunakkadavu DamThunakadavu RiverPalakkad196557.Peruvaripallam DamPeruvaripallam RiverPalakkad1971
List of Regulators The main regulators in the state are
Chamravattom Regulator-cum-Bridge in Malappuram district across Bharathappuzha completed in 2012. Tirur Chamathachal regulator in Kannur district across Valapattanam River. Madambam regulator in Kannur district across Valapattanam River. Idiyanchira regulator near Chettuva Backwater in Thrissur district to protect Kole Wetlands. Enamakkal regulator in Puzhakkal River in Thrissur district to protect Kole Wetlands. Ilikkal regulator in Karuvannur River in Thrissur district to protect Kole Wetlands. Koothumakkal regulator in Thrissur district to protect Kole Wetlands. Pandikandam regulator in Chandragiri River at Kasaragod district.
See also
Tamil Nadu-Kerala dam row Thottappally Spillway
References