Chlorine (Cl) (mg·l⁻¹) contents

Iron (Fe) (mg·l⁻¹) contents

pH-value contents

Years of Study

Mean

Years of Study

Mean

Years of Study

Mean

Months

2016

2017

(Months)

2016

2017

(Months)

2016

2017

(Months)

January

0.22

0.22

0.22

1.07

6.08

1.07

1.25

1.27

1.26

February

0.23

0.22

0.23

1.09

1.09

1.09

1.35

1.35

1.35

March

0.23

0.24

0.24

0.74

0.74

0.74

1.24

1.30

113

April

0.24

0.25

0.25

1.09

1.09

1.09

1.02

1.08

1.05

May

0.27

0.27

0.27

0.87

0.88

0.88

1.13

1.26

1.20

June

0.28

0.27

0.27

0.09

0.78

0.84

1.22

1.23

1.23

July

0.28

0.28

0.28

0.83

0.83

0.83

1.29

1.31

1.30

August

0.27

0.27

0.27

0.84

0.89

0.86

1.22

1.08

1.15

September

0.28

0.25

0.27

0.81

0.85

0.83

1.12

1.08

1.10

October

0.19

0.21

0.20

0.98

0.95

0396

1.10

1.16

1.12

November

0.25

0.22

0.23

0.97

1.08

1.03

1.16

1.19

1.17

December

0.22

0.22

0.22

1.04

1.06

1.05

1.14

1.13

1.14

Mean (Years)

0.25

0.24

0.94

0.94

1.19

1.18