| Sl.No. | Name of Dam | District | Impounding river | Height (m) | Length (m) |
| 1 | Neyyar dam | Thiruvananthapuram | Neyyar river | 56.8 | 294.83 |
| 2 | Thenmala (Parappar) dam | Kollam | Kallada river | 85.35 | 335 |
| 3 | Idukki dam | Idukki | Periyar river | 169 | 366 |
| 4 | Kundala dam | Munnar, Idukki | Periyar river | 46.94 | 259 |
| 5 | Mattupatti dam | Munnar, Idukki | Streams of Muthirappuzha, Chanduvarai river and Kundali river | 85.34 | 237.34 |
| 6 | Mullaperiyar dam | Idukki | Periyar river | 50.29 | 365.8 |
| 7 | Chalakkudy Dam (Sholayar dam) | Chalakkudy, Thrissur | Chalakudy river | – | – |
| 8 | Peechi dam | Thrissur | Manali (Peechi) river | 41.85 | 213.3 |
| 9 | Vazhani dam | Thrissur | Keecheri river | – | 792.48 |
| 10 | Chulliyar dam | Muthalamada, Palakkad | Chulliyar river | 30.5 | 1755 |
| 11 | Kanjirapuzha dam | Palakkad | Kanjirapuzha River | 30.78 | 2127 |
| 12 | Malampuzha dam | Palakkad | Malampuzha river | 38 | 1848.91 |
| 13 | Mangalam dam | Palakkad | Cherukunnapuzha River | 29.23 | 1057 |
| 14 | Meenkara dam | Palakkad | Parambikulam River | 18.9 | 964 |
| 15 | Parambikulam dam | Palakkad | Parambikulam river | 73.15 | 896.12 |
| 16 | Pothundi dam | Palakkad | Bharatapuzha river | 32.61 | 1680 |
| 17 | Siruvani dam | Palakkad | Siruvani river | – | 224 |
| 18 | Walayar dam | Palakkad | Kalpathipuzha river | 30.48 | 1478 |
| 19 | Banasura Sagar dam | Kalpetta, Wayanad | Kabini river | – | – |
| 20 | Aruvikkara dam | Thiruvananthapuram | Karamana river | – | – |
| 21 | Thunakkadavu | Palakkad | Chalakkudy river | – | – |
| 22 | Peruvaaripallam Dam | Palakkad | Chalakkudy river | – | – |
| 23 | Perigalkuthu dam | Thrissur | Chalakkudy river | – | – |
| 24 | Kuttiady dam | Kozhikode | Kuttiyady river | – | – |
| 25 | Pamba dam | Pathanamthitta | Pamba river | – | – |
| 26 | Vazhani dam | Thrissur | Keecheri river | – | – |
| 27 | Kuttiyadi dam | Kozhikode | Kuttiyadi river | – | – |
| 28 | Kakki dam | Pathanamthitta | Pamba river | – | – |
| 29 | Ponmudi dam | Idukki | Periyar river | – | – |
| 30 | Anayirankal dam | Idukki | Periyar river | – | – |
| 31 | Sengulam dam | Idukki | Periyar river | – | – |
| 32 | Neriamangalam dam | Ernakulam | Periyar river | – | – |
| 33 | Bhootathankettu dam | Ernakulam | Periyar river | – | – |
| 34 | Pazhassi dam | Kannur | Valapattanam river | – | – |
| 35 | Peppara dam | Thiruvananthapura | Karamana river | – | – |
| 36 | Malankara dam | Idukki | Muvattupuzha river | – | – |
| 37 | Chimmony dam | Thrissur | Kurumali river | – | – |
| 38 | Karapuzha dam | Wayanadu | Karapuzha river | – | – |
| 39 | Cheruthoni dam | Idukki | Periyar river | – | – |
| 40 | Kulamavu dam | Idukki | Periyar dam | – | – |
| 41 | Erattayar dam | Idukki | Erattayar lake | – | – |
| 42 | Kakkayam dam | Kozhikode | Kuttiyadi river | – | – |
| 43 | Asurankund dam | Thrissur | Chelakkara river | – | – |
| 44 | Maniyar dam | Pathanamthitta | Kakkattar river | – | – |
| 45 | Moozhiyar dam | Pathanamthitta | Pamba river | – | – |
| 46 | Perunthenaruvi Dam | Pathanamthitta | Pamba river | – | – |
| 47 | Karikkayam dam | Pathanamthitta | Pamba river | – | – |
| 48 | Allunkal dam | Pathanamthitta | Pamba river | – | – |
| 49 | Kochupamba dam | Pathanamthitta | Pamba river | – | – |
| 50 | Anathode Dam | Pathanamthitta | Pamba river | – | – |
| 51 | Velluthodu Dam | Pathanamthitta | Pamba river | – | – |
| 52 | Idamalayar dam | Ernakulam | Periyar river | – | – |
| 53 | Kallarkutty Dam | Idukki | Muthirappuzha River | – | – |
| 54 | Pambla Dam | Idukki | Periyar river | – | – |
| 55 | Moolathara Dam | Palakkad | – | – | – |
| 56 | Thunakkadavu dam | Palakkad | Thunakadavu River | – | – |
| 57 | Peruvarippalam dam | Palakkad | Peruvaripallam River | – | – |