TIME

DOWNSTREAM

UPSTREAM

WHO Guide

Average Excess

Pollution

Pollution

Observation

[Month]

MEASURE

MEASURE

Value OMS Pb

measurement

Index

degree

[MG/L]

[MG/L]

[MG/L]

[MG/L]

[MG/L]

1

2.8

1.42

0.01

1.38

138

2.79

Pollution

2

0.77

0.36

0.01

0.41

41

0.76

Pollution

3

1.07

0.8

0.01

0.27

27

1.06

Pollution

4

1.13

0.83

0.01

0.3

30

1.12

Pollution

5

0.62

0.44

0.01

0.18

18

0.61

Pollution

LEAD

6

0.9

0.5

0.01

0.4

40

0.89

Pollution

7

0.27

0.17

0.01

0.1

10

0.26

Pollution

8

0.5

0.3

0.01

0.2

20

0.49

Pollution

9

0.8

0.7

0.01

0.1

10

0.79

Pollution

10

0.73

0.6

0.01

0.13

13

0.72

Pollution

11

0.9

0.5

0.01

0.4

40

0.89

Pollution

12

0.83

0.7

0.01

0.13

13

0.82

Pollution

Average

Pollution

0.93333

Degree