Skip to main content

Table 1 Characteristics of bacterial indices and physicochemical parameters of water samples from Jinhe River

From: Total coliforms as an indicator of human enterovirus presence in surface water across Tianjin city, China

Season

Variation range

HPC (CFU/ml)

TC (CFU/100 ml)

FC (CFU/100 ml)

T (°C)

pH

Turbidity (NTU)

CODMn (mg/L)

NH3-N (mg/L)

Conductivity (μs/cm)

Spring

4.0 × 102 −1.56 × 104

7.5 × 102 − 1.6 × 104

1.0 × 102 -3.5 × 103

8.7–21

6.00–6.70

2.42–15.77

4.54–14.61

0.54–5.43

550–643

Summer

3.5 × 103 −2.8 × 105

1.0 × 102 −5.5 × 104

2.7 × 102 -3.8 × 104

26.5–32

6.00–6.90

6.55–29.23

8.93–22.40

0.80–9.54

514–647

Autumn

6.5 × 102 −4.5 × 105

2.5 × 102 -1.1 × 105

1.8 × 103 -6.7 × 104

6.3–27

6.00–7.40

4.07–24.23

9.53–22.30

1.54–7.53

605–828

Winter

5.5 × 101 −2.9 × 103

5.0 × 102 -1.7 × 104

2 × 104 -2.0 × 104

2–6.4

6.40–7.40

2.63–7.93

2.50–10.98

0.54–3.56

624–868

PA DEP reference values

 

5.0 × 103

2.0 × 102

      
  1. Abbreviations: HPC heterotrophic plate counts, TC total coliforms, FC fecal coliform, T water temperature, NTU nephelometric turbidity unit, CODMn chemical oxygen demand, NH3-N ammonium content