Element

No. of wells

% wells exceed 10 µg/L

Wells exceeding WHO standards

Cr

79

47

0

Co

0

0

0

Cu

0

0

0

As

70

42

70

Se

102

61

102

Cd

0

0

0

Ba

49

29.5

0

Hg

0

0

1

Pb

0

0

0