Parameter

Septic tank inlet

Septic tank outlet

Vetiver filter outlet

Average

Mean

Max

Min

Average

Max

Min

COD (mg/L)

1347

291

500

186

74

149

35

BOD5 (mg/L)

259

78

101

59

11

20

7

SS (mg/L)

76

35

40

33

3

6

0

${\text{N-NH}}_{\text{4}}^{\text{+}}$ (mg/L)

248

53

146

15

7

20

0

${\text{N-NO}}_3^{-}$ (mg/L)

30

30

27

${\text{P-PO}}_{\text{4}}^{\text{3}-}$ (mg/L)

48

47

4.5

pH

8.2

8.5

7.9

EC

2950

3400

1870

Fecal Coliforms FCU (100 mL)

8.30E+05

3.80E+04

5.40E+04

2.30E+04

180

330

0

Fecal Coliforms (Log10)

5.9

4.6

4.7

4.4

2.2

2,5

0

Helminth Eggs (Anguillule Larvae)

0

0