Table 1 Basic statistical summary of environmental (unbolded) and urban infrastructure measured parameters (bolded).

pH

5.27–8.02

7.36

0.74

Conductivity (μS/cm)

762–1533

1078

189

Temperature (°C)

17.4–23.1

19.6

1.7

Dissolved oxygen (mg/L)

2.5–10.0

4.1

2.0

DIN (mg/L N-NO₃⁻)

5.6–20.0

12.4

4.3

SRP (mg/L P-PO₄³⁻)

0.8–7.3

2.3

1.7

DOC (mg/L)

6.2–77.9

18.0

18.0

Turbidity (NTU)

6–109

34

33

Chloride (mg/L)

38–107

70

22

Iron (μg/L)

23.5–337

135

91.6

Macrophyte coverage (%)

0–92

38

31

Water flow (m³/s)

3.0 × 10^–2–3.8

0.9

1.2

Flow velocity (m/s)

3.21 × 10⁻²–0.43

0.21

0.12

Depth (cm)

28–80

46

16

Drinking water coverage (%)

0.01–31.1

13.4

12.5

Sanitary sewer density (dwelling/ha)

0.0–16.2

3.5

5.4

Septic tank density (dwelling/ha)

0.1–28.9

14.0

9.9

Impervious surface (%)

5–75

53

27

Drainage density (m/km²)

0–3.837

1.519

1.235

Road density (m/km²)

1.248–22.369

13.983

7.323

Population density (Hab./ha)

0.3–135.0

68.7

45.4

E. coli (cfu/ml)

3–10,700

2735

3732