Parameter

Concentration

%

Decree

Afluent

Effluent

Removal

To be poured

For irrigation

DQO mg·l−1

466.06

149.89

67.84

220

200

DBO mg·l−1

102.49

53.15

48.14

110

120

ST mg·l−1

873.83

457.50

47.64

no reference

no reference

STD mg·l−1

382.50

372.83

2.53

no reference

no reference

STS mg·l−1

491.33

84.67

82.77

100

120

pH (unid of pH)

8.64

8.07

Óptimo

6 - 9

6.5 - 8.5