Pre-treatment system

Winter

Spring

Parameter (mg/L)

Input

Output

% Efficiency

Input

Output

% Efficiency

TSS

5.667

1.728

69.51

4.176

1.528

63.41

BOD

654.86

398.77

39.11

1176.96

701.26

40.42

COD

1064.48

568.13

46.63

1923.13

986.67

48.69

Treatment by wetland

Winter

Spring

Parameter (mg/L)

Input

Output

% Efficiency

Input

Output

% Efficiency

TSS

1.728

0.842

51.30

1.528

0.890

41.75

BOD

398.77

68.921

82.72

701.26

93.581

86.66

COD

568.13

111.50

80.37

986.66

150.03

84.79

Treatment by lagoon system

Winter

Spring

Parameter (mg/L)

Input

Output

% Efficiency

Input

Output

% Efficiency

TSS

0.842

0.051

93.94

0.890

0.014

51.30

BOD

68.92

17.85

74.11

93.58

26.49

71.69

COD

111.50

39.14

64.90

150.45

48.17

67.99

Total system treatment

Winter

Spring

Parameter (mg/L)

% Efficiency

% Efficiency

TSS

99.10

99.19

BOD

97.27

97.75

COD

96.32

91.52