Site

Ca2+ (mg/L)

Mg2+ (mg/L)

K+ (mg/L)

Na+ (mg/L)

Total cations (mg/L)

A

40.1 (56)

11.5 (16)

9.1 (13)

10.7 (15)

71.3

B

39.6 (59)

9.1 (13)

8.3 (12)

10.6 (16)

67.6

C

39.3 (52)

8.8 (12)

16.7 (22)

11.4 (15)

76.2

D

55.3 (66)

5.0 (6)

5.5 (7)

18.5 (22)

84.3

E

45.9 (73)

6.3 (10)

4.4 (7)

6.2 (10)

62.7