Table 3.
Values of selected different physico-chemical parameters of Nangal and Harike wetlands during June 2018 to February 2019 compared to other prescribed values
| Parameters | Nangal | Harike | WHO (1992) | ISI (1973) | ICMR (1975) | ||
|---|---|---|---|---|---|---|---|
| Mean ± S.D. | Range | Mean ± S.D. | Range | ||||
| Water temperature (°C) | 22.5±2.83 | 18.6–26.0 | 24.1±1.88 | 22.0–27.0 | - | - | - |
| pH | 7.8±0.61 | 7.0–8.8 | 8.0±0.63 | 7.2–9.0 | 6.5–8.5 | 6.5–8.5 | 7.74 |
| Alkalinity (mg/l) | 53.0±6.96 | 42.4–64 | 60±1.92 | 56–62 | 120 | 200 | 120 |
| Dissolved oxygen (mg/l) | 8.2±0.33 | 7.8–9.0 | 7.9±0.13 | 7.8–8.2 | 5.0 | - | 5.0 |
| Total dissolved solids (ppm) | 117.6±3.16 | 114–124 | 220±4.55 | 216–227 | 500 | 500 | 500 |