项目

最小

最大值

平均值

标准差

变异系数%

Na⁺ (mg/L)

0.00

246.90

58.50

51.48

0.88

K⁺ (mg/L)

0.00

9.57

1.24

2.00

1.61

Ca²⁺ (mg/L)

0.00

273.48

112.62

68.21

0.61

Mg²⁺ (mg/L)

0.00

58.92

35.87

15.20

0.42

Cl⁻ (mg/L)

0.00

521.64

166.57

137.43

0.83

${\text{SO}}_4^{2-}$ (mg/L)

0.00

336.34

86.48

81.45

0.94

${\text{HCO}}_3^{-}$ (mg/L)

187.93

523.93

318.30

87.86

0.28

TDS (mg/L)

133.00

1453.00

739.70

398.34

0.54

EC (μS/cm)

296.00

1754.00

1210.30

348.97

0.29

pH

7.60

8.73

7.96

0.26

0.03