| Water quality parameter |
Location/Measurement Station |
Tolerance value |
| In farm |
Outlet |
| Temperature (°C) |
29.56 ± 0.75 |
30.00 ± 2,03 |
20 – 32 |
| Salinity (o/oo) |
31.46 ± 1.37 |
31.03 ± 6,64 |
5 – 34 |
| DO (mg/l) |
6.65 ± 1.08 |
4.41 ± 0.53 |
≥ 3 |
| pH |
8.17 ± 0.38 |
8.06 ± 0.42 |
6.5 – 8.5 |
| BOD5 (mg/l) |
1.16 ± 0.53 |
1.07 ± 0.51 |
< 25 |
| TSS (mg/l) |
37.73 ± 12.44 |
55.20 ± 10.54 |
25 – 80 |
| BOT (mg/l) |
22.83 ± 12.47 |
25.13 ± 6.92 |
- |
| Turbidity (NTU) |
9.64 ± 3.43 |
19.23 ± 2.80 |
≤ 30 |
| NH3-N (mg/l) |
0.2614 ± 0.3355 |
0.0982 ± 0.0033 |
≤ 1.0 |
| NO2-N (mg/l) |
0.0555± 0.0956 |
0.1021 ± 0.1493 |
0.25 |
| NO3-N (mg/l) |
0.0115 ± 0.0104 |
0.0023 ± 0.0003 |
- |
| PO4-P (mg/l) |
0.0201 ± 0.0051 |
0.0422 ± 0.0273 |
0.05 – 0.50 |
|
