Average value measured in the Boubo River

Level observed in natural waters

(Deborah C.)

Level observed in polluted water

(Deborah C.)

Temp (˚C)

25.82

0 - 30

40

pH

6.53

6 - 9

Cond (µS/cm)

117.91

10 - 1000

>1000

Transp (m)

0.62

-

-

( mg/l)

0.94

0.1

5

(mg/l)

0.024

0.1

2

(mg/l)

0.21

<0.2

>0.2

BOD5 (mg/l)

29.17

2

100

COD (mg/l)

77.33

20

200

Chl a (mg/l)

14.63

5 - 140

>300