Table 5. Physicochemical water quality parameters of Terie River compared with international standard (UNEP, 2018) and other literature Woynarovich et al. (2020)

Parameter Present study UNEP (2018) Woynarovich et al. (2020)
DO (mg/L) 4.5 > 3 mg/L > 4
pH 8.8 6.5–9.0 8.3–9.0
Tem (°C) 27.6 ND 23–33
Trans (cm) 9.4 ND 30–50
Cond (µS/cm) 323.4 1,000 1,000–2,700
PO4 (mg/L) 1.0 ND 0.6–1.8
NO3 (mg/L) 3.4 ND < 40
NH3 (mg/L) 2.2 0.015 ND
TDS (mg/L) 170.8 ND < 500
ND, not detected.