Mean Wet Goma

Mean Wet Iko

Mean Wet Bukavu

Mean Wet Lwiro

Cl⁻

18.5 ± 19.3

15.7 ± 15.5

15.6 ± 15.2

24.3 ± 22.5

${\text{CO}}_3^{2-}$

13.3 ± 11.6

10.6 ± 7.6

16 ± 13.3

37 ± 22.5

${\text{HCO}}_3^{-}$

98.6 ± 85.2

105.3 ± 90

135.6 ± 122.8

124.5 ± 93.6

Ca²⁺

15 ± 1.3

35.5 ± 1.5

19 ± 1.9

32 ± 1.4

Mg²⁺

19 ± 1.3

17 ± 1.6

13 ± 0.8

19 ± 0.8

${\text{SO}}_4^{2-}$

45.9 ± 25.4

55.3 ± 43.4

45.5 ± 22.4

60.5 ± 24.3

${\text{PO}}_4^{3-}$

6.3 ± 13.8

6.7 ± 12.5

4.7 ± 8.2

7.1 ± 15

${\text{NH}}_4^{+}$

28.1 ± 13.3

39.6 ± 37.2

28.3 ± 15.5

33.8 ± 10.9

${\text{NO}}_3^{-}$

27.2 ± 11.1

36.3 ± 35.6

27.3 ± 16.2

33.3 ± 13

Na⁺

84 ± 3.5

74 ± 5.5

86 ± 6.5

62 ± 4.4

K⁺

103 ± 5.1

57 ± 3.2

69 ± 4.1

85 ± 2.6

pH

5.19 ± 0.5

5.3 ± 0.5

5.6 ± 0.5

5.3 ± 0.4

EC (µS/cm)

28.7 ± 13

17.4 ± 21.1

20.8 ± 17.3

24.2 ± 21.8