Table -  Ground Water Resources of Kerala as on 31.3.1999 (GEC-1997 Methodology) (Figures in MCM)

Sl No

District

Total annual ground water recharge

Natural discharge during non-monsoon season

Net annual G.W. availability    (3-4)

Existing gross G.W. draft for irrigation

Existing gross G.W. draft for domestic and industrial uses

Existing gross G.W. draft for all  uses (6+7)

Allocation for domestic and industrial water supply for next 25 years)

1

2

3

4

5

6

7

8

9

10

11

1.

Trivandrum

308.51

30.48

278.03

84.20

94.59

178.79

111.58

82.25

64.31

2.

Quilon

495.61

47.36

448.25

114.03

88.75

202.78

111.94

222.28

3.

Pathanamthitta

347.00

30.44

316.56

49.66

42.03

91.69

58.05

208.85

28.96

4.

Alleppey

466.08

46.62

419.46

61.06

67.46

128.52

92.37

266.03

30.64

5.

Kottayam

521.06

50.20

470.86

62.89

67.43

130.32

92.52

315.45

27.68

6.

Idukki

269.04

22.72

246.32

41.77

41.64

83.41

57.08

147.47

33.86

7.

Ernakulam

618.43

50.59

567.84

197.59

86.44

284.03

112.21

258.04

50.02

8.

Trichur

774.99

72.19

702.80

228.27

101.36

329.63

130.24

344.29

46.90

9.

Palghat

823.92

73.55

750.37

140.47

159.85

300.32

191.81

418.09

40.02

10.

Malappuram

557.29

49.66

507.63

165.45

115.23

280.68

156.50

185.68

55.29

11.

Calicut

366.41

21.60

344.81

104.86

86.80

191.66

112.63

127.32

55.58

12.

Wayanad

324.39

32.44

291.95

34.40

28.67

63.07

40.40

217.15

21.60

13.

Cannanore

591.89

51.27

540.62

107.29

76.52

183.81

101.38

331.95

34.00

14.

Kasaragod

376.18

32.64

343.54

204.08

40.59

244.67

43.08

96.38

71.22

Total

6840.80

611.76

6229.04

1596.02

1097.36

2693.38

1411.79

3221.23

43.24