Table 3.
Comparison of average input and output parameters of 4 wetland systems
| Parameter | Inputs | Site 1 | Site 2 | Site 3 | Control |
|---|---|---|---|---|---|
| Fecal Coliforms |
4.41 × 1014 |
1.14 × 1014 |
1.13 × 1014 |
7.84 ×1012 |
1.1 ×1014 |
| E. Coli |
1.127 × 1014 |
1.1 × 1014 |
5.03 × 1012 |
2.44 × 1011 |
1.31 × 1012 |
| Fecal streptococci |
5.88 × 1014 |
1.55 × 1013 |
1.16 × 1014 |
9.69 × 1012 |
3.34 ×1012 |
| TSS (mg/L) |
102.8 ± 42.6 |
32 ±18.86 |
29.4 ± 12.68 |
43.9 ± 24 |
34.9 ±19.2 |
| Range |
1-156 |
3-62 |
2-51 |
14-73 |
3-119 |
| NH4+ (mg/L) |
110 ± 51.6 |
129.7 ± 36.48 |
121 ± 30.16 |
127.2 ± 27.37 |
112.2 ± 38.42 |
| Range |
15-22 |
70-207 |
90-185 |
95-196 |
45-182 |
| NO3 (mg/L) |
15.4 ± 8.15 |
17.63 ± 9.6 |
14.42 ± 8.85 |
18 ± 11.4 |
16.85 ± 13.2 |
| Range |
2.8-25.4 |
4-33.6 |
0-28.5 |
0-31.7 |
0-35.8 |
| DO (mg/L) |
0 |
1.47 ± 0.47 |
1.6 ± 0.57 |
1.59 ± 0.43 |
1.75 ± 0.78 |
| Range |
0 |
0.91-2.5 |
1.05-2.8 |
1.24-2.5 |
1.25-3 |
| PH |
7.7 ± 0.13 |
7.88 ± 0.13 |
8 ± 0.11 |
7.9 ± 0.15 |
8.05 ± 0.155 |
| Range |
7.88-7.49 |
7.61-8.05 |
7.76-8.09 |
7.62-8.17 |
7.49-8.27 |
| EC |
1715 ± 425.5 |
2339.4 ± 319 |
2375.2 ± 603.75 |
2286.3 ± 370 |
2044.7 ± 327.5 |
| Range |
1052-2460 |
1994-2960 |
1574-3550 |
1793-3050 |
1247-2470 |
| COD (mg/L) |
385.5 ± 15 |
130 ± 26.4 |
102 ± 19.3 |
106 ± 22.4 |
92.5 ± 6.4 |
| Range |
250-730 |
80-160 |
80-150 |
65-140 |
55-130 |
| BOD5 (mg/L) |
176.6 ± 2.4 |
45 ± 14.2 |
41 ± 21 |
46.5 ± 16 |
37.5 ± 3.9 |
| Range |
103-250 |
15.5-74 |
27-61 |
26-77 |
17-58 |
| LAS (mg/L) |
10.6 ± 0.8 |
2.1 ± 0.8 |
2.8 ± 0.5 |
2.4 ± 0.7 |
3.1 ± 1.9 |
| Range | 5.7-15.6 | 1.5-2.5 | 1.8-2.9 | 1.8-2.5 | 2.5-3.7 |