Sl.No.

Name of Reservoir

District

Area (Ha)

1.

Neyyar

Thiruvananthapuram

1,500

2.

Peppara

Thiruvananthapuram

582

3.

Aruvikkara

Thiruvananthapuram

258

4.

Thenmala Dam (Kallada)

Kollam

2,590

5.

Pampa

Pathanamthitta

570

6.

Kakki

Pathanamthitta

1,800

7.

Maniyar

Pathanamthitta

110

8.

Gani & Kallar Dam

Pathanamthitta

25

9.

Ponmudi

Idukki

260

10.

Idukki Arch Dam

Idukki

6,160

11.

Anayirankal Dam

Idukki

433

12.

Gundala

Idukki

230

13.

Mattupetty Dam

Idukki

324

14.

Sengulam Dam

Idukki

33

15.

Neriyamangalam

Idukki

413

16.

Periyar Lake

Idukki

2,890

17.

Edamalayar Dam

Idukki

350

18.

Kallarkutty Dam

Idukki

58

19.

Munnar Headworkers Dam

Idukki

250

20.

Kallar Division Dam

Idukki

220

21.

Lower Periyar Dam

Idukki

150

22.

Erattayar Dam

Idukki

200

23.

Malankara Dam

Idukki

120

24.

Mullaperiyar Dam

Idukki

400

25.

Kulamavu Dam

Idukki

6,160

26.

Cheruthoni Dam

Idukki

--

27.

Bhoothathankettu

Ernakulam

608

28.

Peechi

Thrissur

1,200

29.

Vazhani

Thrissur

255

30.

Sholayar

Thrissur

870

31.

Peringalkuthu

Thrissur

280

32.

Chimmini- Dam

Thrissur

1,000

33.

Poomala

Thrissur

75

34.

Pathazhakunnu Dam

Thrissur

14

35.

Asuram Kundu Dam

Thrissur

12

36.

Malampuzha

Palakkad

2,313

37.

Mangalam

Palakkad

393

38.

Meenkara

Palakkad

259

39.

Chulliyar

Palakkad

159

40.

Pothundi

Palakkad

363

41.

Walayar

Palakkad

289

42.

Parambikulam

Palakkad

2,092

43.

Thunakkadavu

Palakkad

283

44.

Lakkidi

Palakkad

25

45.

Kanjirappuzha

Palakkad

512

46.

Cheramangalam

Palakkad

200

47.

Tharampilli

Palakkad

244

48.

Kuttiyadi

Kozhikode

1,052

49.

Kakkayam

Kozhikode

1,070

50.

Peruvannamuzhi

Kozhikode

1,050

51.

Banasurasagar

Waynad

1,277

52.

Korapuzha

Waynad

1,660

53.

Pazhassi

Kannur

648

Total

44,289