Sea Water

Drinking Water 1 (Hard Water)

Drinking Water 2(A) (Soft Water)

Drinking Water 2(B) (Soft Water)

Forest Water 1

(Upper Reach)

Forest Water 2

(Middle Reach)

Forest Water 3

(Lower Reach)

Sampling Point

Sub-Stances

Kobe City, Japan

Nancy City, France

Kameoka City, Japan

Melbourne

City Australia

Kameoka City, Japan

Kameoka City, Japan

Kameoka City, Japan

TH (mg/L)

50 → 40

1468 → 50

30 → 10

10 → 0

10 → 0

20 → 0

50 → 20

pH

9.0 → 9.0

7.4 → 7.4

7.5 → 7.0

5.0 → 5.5

7.5 → 7.0

7.5 → 7.0

8.0 → 7.5

COD (mg/L)

8 → 0

5 → 0

5 → 0

5 → 0

0 → 0

0 → 0

4 → 0

Ca2+ (mg/L)

35 → 25

468 → 50

35 → 25

5 → 0

12.5 → 12.5

25 → 12.5

50 → 25

Mg2+ (mg/L)

31 → 20.5

74.5 → 41

8.2 → 4.1

4.1 → 0

0 → 0

8.2 → 0

8.2 → 4.1

SiO2 (mg/L)

0.5 → 0.5

8 → 5

100 → 0

10 → 5

15 → 15

15 → 10

15 → 10

(mg/L)

0.65 → 0.26

0.26 → 0.26

0.26 → 0.26

0.65 → 0.26

0.26 → 0.26

0.26 → 0.26

0.26 → 0.26

(mg/L)

0.33 → 0.17

0 → 0

0.033 → 0

0 → 0

0 → 0

0 → 0

0.066 → 0.033

(mg/L)

8.6 → 4.3

2.2 → 2.2

8.6 → 4.3

8.6 → 4.3

0 → 0

0.86 → 0.86

4.3 → 2.2

(mg/L)

0 → 0

0 → 0

0 → 0

0.3 → 0.3

0 → 0

0.15 → 0.06

0.3 → 0.15

BOD (mg/L)

3 → 0

2 → 0

3.5 → 0

1 → 0

1 → 0

1.5 → 0

2.5 → 0

Na+ (mg/L)

7500 → 5900

21 → 30

6.2 → 5.5

8.6 → 8.0

5.3 → 5.2

5.2 → 6.1

9.8 → 6.7

K+ (mg/L)

370 → 380

4.1 → 4.7

1.3 → 1.3

1.3 → 1.2

0.6 → 0.6

0.6 → 0.6

2.8 → 2.0