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Table 1

Summary of the data set (n = 1571) for the eight tested chemical and physical parameters: conductivity (Cond), pH, temperature (T), dissolved oxygen (DO), total phosphorus (TP), nitrate (NO3), dissolved organic carbon (DOC), five-day biological oxygen demand (BOD5).

Parameter Mean (95% confidence interval) Median Minimum Maximum
Cond (μS cm−1) 388 (12) 360 22 2364
pH 7.7 (0.02) 7.7 5.8 9.6
T (°C) 15.7 (0.14) 15.6 5.0 26.9
DO (mg L−1) 9.077 (0.072) 9.200 1.600 15.320
TP (mg L−1) 0.132 (0.008) 0.090 0.005 3.525
NO3 (mg L−1) 13.474 (0.630) 8.733 0.100 88.800
DOC (mg L−1) 5.165 (0.170) 4.567 0.500 39.333
BOD5 (mg L−1) 1.882 (0.060) 1.733 0.500 14.500

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