# List of dams and reservoirs in Tamil Nadu

This is a list of dams and reservoirs that are located in the Indian state of Tamil Nadu.

## List of dams and reservoirs in Tamil Nadu

| Number | Name | Purpose | River | Nearest City | Location | Status | Completion Year | Type | Length (m) | Max Height above Foundation (m) |
| 1 | Aanaimaduvu reservoir | Irrigation | Anaimaduvu | Salem | 11°47′19″N 78°25′53″E﻿ / ﻿11.7886°N 78.4315°E﻿ / 11.7886; 78.4315 | Completed | 1993 | Earthen | 670 | 27.94 |
| 2 | Adavinainarkovil Dam | Irrigation | Thamirabarani River | Tenkasi | Tirunelveli | Completed | 2002 | Gravity & Masonry | 670 | 40.200 |
| 3 | Aliyar Reservoir | Hydroelectric, Irrigation | Aliyar River | Pollachi | 10°28′56″N 76°58′4″E﻿ / ﻿10.48222°N 76.96778°E﻿ / 10.48222; 76.96778 | Completed | 1962 | Earthen / Gravity & Masonry | 3200 | 44.04 |
| 4 | Amaravathi Dam | Hydroelectric, Irrigation | Amaravati | Udumalaippettai | Tiruppur | Completed | 1958 | Earthen / Gravity & Masonry | 1095 | 45 |
| 5 | Anaikuttam Dam | Irrigation | Arjuna Nadhi | Sattur | Virudhunagar | Completed | 1989 | Earthen | 2940 | 9 |
| 6 | Andiappanur Odai Dam | | Pambar | Vaniyambadi | Vellore | Completed | 2007 | - | 1185 | 22.5 |
| 7 | Avalanche Dam | Hydroelectric | Avalanche & Emerald Streams | Udagamandalam | The Nilgiris | Completed | 1961 | Gravity & Masonry | 366 | 57 |
| 8 | Barur Dam | | Barur | Krishnagiri | Krishnagiri | | | - | | |
| 9 | Berijam Lake | | Kodiyetan Ar | | Dindigul | Completed | | - | | |
| 10 | Bungihalla Bund | | Bhavani | Uthagamandalam | The Nilgiris | Completed | 1965 | Earthen | 280 | 23 |
| 11 | Chinnar Dam or panchapalli Dam | Irrigation and flood control | Chinnar | Palacode | Dharmapuri | Completed | 1977 | Earthen | 365 | 29 |
| 12 | Chittar I Dam | Irrigation | Chittar | Vilavankod | Kanniyakumari | Completed | 1970 | Earthen | 806 | 21.94 |
| 13 | Chittar II Dam | Irrigation | Chittar | Vilavankod | Kanniyakumari | Completed | 1970 | Earthen | 1076 | 25 |
| 14 | East Varahapallam dam | | East varahapallam | Uthamangalam | The Nilgiris | Completed | 1967 | Gravity & Masonry | 173 | 18 |
| 15 | Emerald Dam | Hydroelectric | Emerald | Udagamandalam | The Nilgiris | Completed | 1961 | Gravity & Masonry | 323 | 65 |
| 16 | Eravangalar Dam | Hydroelectric | Eravangalar | Uttamapalaiyam | Theni | Completed | 1978 | Gravity & Masonry | 242 | 30 |
| 17 | Gatana Dam | Irrigation | Gatana nadhi | Ambasamudram | Tirunelveli | Completed | 1974 | Earthen | 1628 | 32.92 |
| 18 | Glenmorgan | Hydroelectric | Glenmorgan St | Uthagamandalam | The Nilgiris | Completed | 1930 | Gravity & Masonry | 80 | 16 |
| 19 | Glenmorgan Forbay Dam | Hydroelectric | | Udagamandalam | The Nilgiris | Completed | 1930 | Gravity & Masonry | 80 | 16 |
| 20 | Golwarpatti Dam | | Arujuna & Gowsiha | Sattur | Virudhunagar | Completed | 1993 | - | 5700 | 15.9 |
| 21 | Gomukhinadi Dam | Irrigation | Gomukhinadhi | Kallakkurichchi | Viluppuram | Completed | 1965 | Earthen | 2103 | 24.83 |
| 22 | Gundar Dam | Irrigation | Gundar | Sengottai | Tirunelveli | Completed | 1983 | Earthen / Gravity & Masonry | 389.9 | 14.66 |
| 23 | Highwavys Dam | Hydroelectric | Highwavys St. | Uttamapalaiyam | Theni | Completed | 1978 | Earthen / Gravity & Masonry | 175 | 35 |
| 24 | Irukkangudi Dam | Irrigation | Vaippar, Arjuna | Sattur | Virudhunagar | Completed | 2009 | Earthen | 1850 | 8.85 |
| 25 | Kadamparai Dam | Hydroelectric | Kadambarai | Pollachi | Coimbatore | Completed | 1984 | Earthen / Gravity & Masonry | 808 | 67.5 |
| 26 | Kamraju Sagar (Sandy Nalla) Dam | | Sandynallah | Uthagamandalam | The Nilgiris | Completed | 1963 | Earthen / Gravity & Masonry | 107 | 36 |
| 27 | Kariakoil Dam | Irrigation | Kariakovil | Attur | Salem | Completed | 1993 | Earthen | 708 | 31 |
| 28 | Karuppanadhi Dam | Irrigation | Karuppanadhi | Tenkasi | Tirunelveli | Completed | 1977 | Earthen / Gravity & Masonry | 890 | 34.44 |
| 29 | Kelavarapalli Dam | Irrigation | Ponniar | Hosur | Krishnagiri | Completed | 1993 | Earthen | 547 | 13.5 |
| 30 | Kesarigulihalla Dam | Irrigation | K.gulihalla | Palakodu | Dharmapuri | Completed | 1985 | Earthen | 1672 | 16.74 |
| 31 | Kodaganar Dam | Irrigation | | Vedasandur | Dindigul | Completed | 1993 | Earthen / Gravity & Masonry | 2893 | 12.75 |
| 32 | Kodumudiyar Dam | Irrigation | Nambiyar | Nanguneri | Tirunelveli | Completed | 2003 | Earthen / Gravity & Masonry | 411 | 28 |
| 33 | Krishnagiri Dam | Irrigation | Ponniar | Krishnagiri | Krishnagiri | Completed | 1958 | Earthen / Gravity & Masonry | 990.59 | 29.26 |
| 34 | Kullursandai Dam | Irrigation | Vaippar | Aruppukottai | Virudhunagar | Completed | 1984 | Earthen | 3207 | 8 |
| 35 | Kundah Palam Dam | Hydroelectric | Kundah | Udagamandalam | The Nilgiris | Completed | 1961 | Gravity & Masonry | 152 | 32 |
| 36 | Kunderipallam Dam | | Kunderipallam | Sathyamangalam | Erode | Completed | 1978 | Earthen | 627 | 17.7 |
| 37 | Kuppanatham Dam | | Cheyyar | Chengam | Tiruvannamalai | Completed | | - | 750 | 25.2 |
| 38 | Kuthiraiyar Dam | Irrigation | Kuthiraiyar | Palani | Dindigul | Completed | 1990 | Earthen / Gravity & Masonry | 899.9 | 27.38 |
| 39 | Kuttiyadi (Augmentation Main ) (Padinjarethara) | Hydroelectric | Karamenthodu | Wynad | Kozhikode | Completed | 2004 | Earthen | 628 | 38 |
| 40 | Kuttiyar Dam | | Kuttiyar | | Kanniyakumari | Completed | | - | 93 | 25 |
| 41 | Lower Bhavani Dam | Hydroelectric, Irrigation | Bhavani | Sathyamangalam | Erode | Completed | 1955 | Earthen / Gravity & Masonry | 8797 | 62 |
| 42 | Lower Kodayar Dam | Hydroelectric | Kodayar | Vilavankod | Kanniyakumari | Completed | 1972 | Gravity & Masonry | 152 | 61 |
| 43 | Lower Nirar Dam | Hydroelectric, Irrigation | Nirar | Pollachi | Coimbatore | Completed | 1982 | Earthen / Gravity & Masonry | 188.97 | 50.29 |
| 44 | Mambazhathuraiyar | | Mambazhathuraiyar | Kanyakumari | Kanniyakumari | Completed | 2011 | Earthen / Gravity ↔& Masonry | 360 | 24 |
| 45 | Manalar Dam | Hydroelectric | Manalar | Uttamapalaiyam | Theni | Completed | 1978 | Gravity & Masonry | 185 | 40 |
| 46 | Manimukthanadhi Dam | Flood Control,Irrigation | Manimuktha | Kallakkurichchi | Viluppuram | Completed | 1970 | Earthen | 3618 | 21 |
| 47 | Manimuthar Dam | Irrigation | Manimuthur | Ambasamudram | Tirunelveli | Completed | 1958 | Earthen / Gravity & Masonry | 2825 | 45.72 |
| 48 | Manjalar Dam | Irrigation | Manjalar | Periyakulam | Theni | Completed | 1967 | Earthen | 1043 | 28.33 |
| 49 | Maravakandi Forbay Dam | Hydroelectric | Aravarihalla | Udagamandalam | The Nilgiris | Completed | 1947 | Earthen / Gravity & Masonry | 415 | 22 |
| 50 | Marudhanadi Dam | Irrigation | Maurdhanadhi | Dindigul | Dindigul | Completed | 1979 | Earthen | 808 | 27.43 |
| 51 | Mettur Dam | Hydroelectric, Irrigation | Kaveri | Mettur | Salem | Completed | 1934 | Gravity & Masonry | 1615.44 | 70.41 |
| 52 | Mirugandanadhi Dam | | | Polur | Tiruvannamalai | Completed | | - | | |
| 53 | Mordhana Dam | Irrigation | Koundanyanadhi | Gudiyattam | Vellore | Completed | 2001 | Gravity & Masonry | 475 | 23.89 |
| 54 | Moyar Forebay Dam | Hydroelectric | | Udagamandalam | The Nilgiris | Completed | 1951 | Earthen / Gravity & Masonry | 731 | 22 |
| 55 | Mukurthy Dam | | Mukurthi | Udagamandalam | The Nilgiris | Completed | 1938 | - | 162 | 34 |
| 56 | Nagavathi Dam | Irrigation | Nagavathy | Dharmapuri | Dharmapuri | Completed | 1986 | Earthen | 306 | 15.81 |
| 57 | Nallathangal Odai Dam | | Nallathangal Odai | Dharapuram | Tiruppur | Completed | 2007 | - | 3450 | 22 |
| 58 | Nambiar Dam | Irrigation | Nambiar | Radhapuram | Tirunelveli | Completed | 2004 | Earthen | 2605 | 10.84 |
| 59 | Nanganjiyar Dam | Irrigation | Nanganjiyar | Oddanchatram | Dindigul | Completed | 2007 | Gravity & Masonry | 2680 | 21.5 |
| 60 | Nilayur Bed Dam | Irrigation | Vagai | | Manamadurai | Completed | | Earthen | | |
| 61 | Noyyal Athupalayam Dam | Irrigation | Noyyal | Karur | Karur | Completed | 1992 | Earthen | 2850 | 14.06 |
| 62 | Noyyal Orathupalayam Dam | Irrigation | Noyyal | Dharapuram | Tiruppur | Completed | 1992 | Earthen | 2290 | 21.7 |
| 63 | Palar Porundalar Dam | Irrigation | PalarPorundalar | Palani | Dindigul | Completed | 1978 | Earthen | 2451 | 32 |
| 64 | Pambar Dam | Flood Control,Irrigation | Pambar | Uttangarai | Krishnagiri | Completed | 1983 | Earthen | 652 | 16.5 |
| 65 | Papanasam Dam | Hydroelectric | Thambraparani | Ambasamudram | Tirunelveli | Completed | 1944 | Gravity & Masonry | 409 | 18 |
| 66 | Parappalar Dam | Irrigation | Parappalar | Oddanchatram | Dindigul | Completed | 1974 | Gravity & Masonry | 81.07 | 39.62 |
| 67 | Parson's Valley Dam | Hydroelectric | Parson Valley Stream | Udagamandalam | The Nilgiris | Completed | 1966 | Gravity & Masonry | 146 | 43 |
| 68 | Pechiparai Dam | Irrigation | Kodaiyar | Vilavankod | Kanniyakumari | Completed | 1906 | Gravity & Masonry | 555 | 46.32 |
| 69 | Pegumbahallah Forebay Dam | Hydroelectric | Pengumbahallh | Udagamandalam | The Nilgiris | Completed | 1965 | Gravity & Masonry | 181 | 55 |
| 70 | Periyar Forebay | | Vairavanar | Theni | Theni | Completed | 1958 | Gravity & Masonry | 88 | 38 |
| 71 | Perumpallam Dam | | Perumpalam | Sathyamangalam | Erode | Completed | | - | 2060 | 17.09 |
| 72 | Perunchani Dam | Irrigation | Paralayar | | Kanniyakumari | Completed | 1952 | Gravity & Masonry | 308 | 36.27 |
| 73 | Pilavukkal Kovilar Dam | | Kovilar | Usilampatti | Virudhunagar | Completed | | - | 639.27 | 16 |
| 74 | Pilavukkal Periyar Dam | | Periyar | Srivilliputtur | Virudhunagar | Completed | | - | 864 | 17 |
| 75 | Pillur Dam | Hydroelectric | Bhavani | Mettuppalaiyam | Coimbatore | Completed | 1967 | Gravity & Masonry | 357 | 88 |
| 76 | Poigaiyar Dam | Irrigation | Poigai | Tovala | Kanniyakumari | Completed | 2000 | Earthen | 2290 | 24 |
| 77 | Ponnaniar Dam | Irrigation | Ponnaniyar | Kulittalai | Karur | Completed | 1974 | Earthen / Gravity & Masonry | 246.81 | 24.84 |
| 78 | Poondi Dam | Irrigation | Kosasthalaiyar | Tiruvallur | Thiruvallur | Completed | 1944 | Earthen | 3856 | 12.27 |
| 79 | Porthimund Dam | Hydroelectric | Porthimund St | Udagamandalam | The Nilgiris | Completed | 1966 | Gravity & Masonry | 335 | 56 |
| 80 | Puthen Dam | Irrigation | Kodayar | | Kanniyakumari | Completed | | - | | |
| 81 | Pykara Dam | | | Udagamandalam | The Nilgiris | Completed | | - | 193.5 | 56 |
| 82 | Rajathope Kanar Dam | Irrigation | Rajathopekanar | Chittoor | Chittoor | Completed | 1997 | Gravity & Masonry | 260 | |
| 83 | Ramanadhi Dam | Irrigation | Ramanadhi | Ambasamudram | Tirunelveli | Completed | 1974 | Earthen / Gravity & Masonry | 836.57 | 31.09 |
| 84 | Sathanur Dam | Hydroelectric, Irrigation | Ponniar | Chengam | Tiruvannamalai | Completed | 1958 | Earthen / Gravity & Masonry | 786.37 | 44.81 |
| 85 | Sathiyar | | Sathaiyaru | Madurai | Madurai | Completed | 1965 | Earthen / Gravity & Masonry | 409.63 | 14.93 |
| 86 | Servalar Dam | Hydroelectric, Irrigation | Servalar/ Tambiraparani | Ambasamudram | Tirunelveli | Completed | 1986 | Gravity & Masonry | 465 | 57 |
| 87 | Shanmuganadhi Dam | | | Uttamapalaiyam | Theni | Completed | 2004 | - | | |
| 88 | Shenbagathope Dam | Irrigation | Kamandalar | Polur | Tiruvannamalai | Completed | 2007 | Earthen | 1015 | 26.6 |
| 89 | Sholayar Dam | Hydroelectric, Irrigation | Sholayar | Pollachi | Coimbatore | Completed | 1971 | Earthen / Gravity & Masonry | 1244.18 | 105.16 |
| 90 | Shoolagiri Chinnar Dam | Irrigation | Shoolagiri Chinnar | Hosur | Krishnagiri | Completed | 1986 | Earthen | 415 | 25.3 |
| 91 | Siddhamalli Dam | Irrigation | | Udaiyarpalaiyam | Ariyalur | Completed | 1987 | Earthen | 5050 | 15.15 |
| 92 | Sothupparai Dam | Irrigation | Varaganadhi | Periyakulam | Theni | Completed | 2001 | Gravity & Masonry | 320 | 57.64 |
| 93 | Thirumurthi Dam | Irrigation | Palar | Udumalaippettai | Tiruppur | Completed | 1967 | Earthen | 2628 | 34.14 |
| 94 | Thoppaiyar Dam | Irrigation | Thoppaiyar | Dharmapuri | Dharmapuri | Completed | 1986 | Earthen | 435 | 19.75 |
| 95 | Thumblahalli Dam | Flood Control,Irrigation | Pulapatti | Palakodu | Dharmapuri | Completed | 1983 | Earthen | 1054 | 12.6 |
| 96 | Uppar( Erode) Dam | | Uppar | Dharapuram | Tiruppur | Completed | 1968 | Earthen / Gravity & Masonry | 2256 | 19.81 |
| 97 | Upper Aliyar Dam | Hydroelectric | Aliyar | Pollachi | Coimbatore | Completed | 1971 | Gravity & Masonry | 315 | 81 |
| 98 | Upper Bhavani Dam | Hydroelectric | Bhavani | Udagamandalam | The Nilgiris | Completed | 1965 | Gravity & Masonry | 419 | 80 |
| 99 | Upper Kodayar Dam | Hydroelectric | Kodayar | | Kanniyakumari | Completed | 1972 | Gravity & Masonry | 166 | 88 |
| 100 | Upper Kodayar Diversion dam | | Kodayar | | Kanniyakumari | Completed | | - | | |
| 101 | Vadakku Paichaiyar Dam | Irrigation | Vadakkupaichaiyar | Nanguneri | Tirunelveli | Completed | 2003 | Earthen | 3115 | 20.1 |
| 102 | Vaigai Dam | Hydroelectric, Irrigation | Vaigai | Periyakulam | Theni | Completed | 1959 | Earthen / Gravity & Masonry | 3474 | 33.83 |
| 103 | Vaniar Dam | Irrigation | Vaniar | Harur | Dharmapuri | Completed | 1985 | Earthen | 1136 | 31 |
| 104 | Varadhamanadhi Dam | | Varadhamanadhi | Palani | Dindugal Anna | Completed | 1978 | Earthen | 297 | 26 |
| 105 | Varattar Dam | Irrigation | | Harur | Dharmapuri | Completed | 2005 | Earthen / Gravity & Masonry | 1136 | 31.17 |
| 106 | Varattupallam Dam | Irrigation | Varattupallam | Bhavani | Erode | Completed | 1978 | Earthen | 1798 | 15.5 |
| 107 | Vattamalaikarai Odai Dam | Irrigation | V.K. Odai | Dharapuram | Tiruppur | Completed | 1978 | Earthen | 1820 | 20 |
| 108 | Vembakottai Dam | Irrigation | | Sattur | Virudhunagar | Completed | 1985 | Earthen | 3216 | 9.7 |
| 109 | Vennir-Ar Dam | | Vennirar | Chinnamanur | idukki | Completed | 1978 | Gravity & Masonry | 96 | 29 |
| 110 | Vidur Dam | Irrigation | Varahanadi | Tindivanam | Viluppuram | Completed | 1959 | Earthen | 4380 | 22.55 |
| 111 | West Varahapallam Weir Dam | | W.V.Pallam | Uthagamandalam | Nilgiri | Completed | 1967 | Gravity & Masonry | 92 | 35 |
| 112 | Western Catchment No. I Dam | Hydroelectric | Arickyampuzha | Uthagamandalam | Nilgiri | Completed | 1966 | Gravity & Masonry | 72 | 18 |
| 113 | Western Catchment No. II Dam | Hydroelectric | Karampuzha | Uthagamandalam | Nilgiri | Completed | 1966 | Gravity & Masonry | 85 | 30 |
| 114 | Western Catchment No. III Dam | Hydroelectric | Karampuzha | Uthagamandalam | Nilgiri | Completed | 1966 | Gravity & Masonry | 92 | 26 |
| 115 | Willington Dam (எமனேரி) | Irrigation | vellaru river main water storage source for this dam. | Ivanur,Tittagudi | Cuddalore | Completed | 1923 | Earthen | 4023 | 17.22 |
| 116 | Thervoy Kandigai Dam | Drinking Water | Krishna river main water storage source for this dam. | Thervoy Kandigai,Kannankottai | Tiruvallur | Completed | 2020 | Earthen | 8.6 km | 13 |
| 117 | Visvakudi Dam | Irrigation | Kallar river main water storage source for this dam. | Visvakudi,Veppanthattai | Perambalur | Completed | 2015 | Earthen | 615 | 13 |
| 118 | Kottarai dam | Irrigation | Maruthaiyar river main water storage source for this dam. | Kottarai,Adhanur | Perambalur | Nearing Completion | 2021 | Earthen | | |
| 119 | Therkku Karunkulam Dam | Irrigation and Drinking Water | Karunkulam Western ghot storage source for this dam. Sprawling lake for storage of rainwater and supply of drinking water to 15 village Panchayats in the region. | T Karunkulam, Near Palazor | Tirunelveli Dist | To be completed on | 2022 | Earthen | | |