No. | Variable | Effluent to surface water | Effluent to groundwater | Use in agriculture and irrigation |
---|---|---|---|---|
1 | TSS (mg/l) | 40 | – | – |
2 | Temp. (°C) | – | – | – |
3 | Alkal. (ppm) | – | – | – |
4 | pH | 6.5–8.5 | 5–9 | 6–8.5 |
5 | NO3 (mg/l) | 50 | 10 | – |
6 | P (mg/l) | 6 | 6 | – |
7 | BOD (mg/l) | 30 | 30 | 100 |
8 | COD (mg/l) | 60 | 60 | 100 |
9 | DO (mg/l) | 2 | – | 2 |