Number
Name
Purpose
River
Nearest City
Location
Status
Completion Year
Type
Length (m)
Max Height above Foundation (m)
Refs
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
[ 1]
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
[ 1]
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