Nitrates

(mg/L)

Ortho-Phosphates

(mg/L)

BOD₅

(mg of O₂/L)

Goinré

0.833

0.357

4.183

Ziga

1.372

0.157

4.375

Bagré

1.267

0.123

6.300

WHO standards [11]

11.4

-

-

Eutrophication*

≥0.3

≥0.01

-