Pennsylvania Real-time Water Quality

USGS station:

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Constituent:
Time period:

The data used to produce these statistics are provisional and have not been reviewed or edited. They may be subject to change.

Summary Statistics for Computed Instantaneous Fecal Coliform Bacteria

StatisticStatistic Value
Number of measurements742
Mean390 cfu/100mL
Geometric Mean210 cfu/100mL
Standard Deviation840 cfu/100mL
Minimum 31 cfu/100mL
1 percentile 39 cfu/100mL
5 percentile 51 cfu/100mL
10 percentile 75 cfu/100mL
25 percentile 120 cfu/100mL
Median 170 cfu/100mL
75 percentile 270 cfu/100mL
90 percentile 860 cfu/100mL
95 percentile 1800 cfu/100mL
99 percentile 3000 cfu/100mL
Maximum 16000 cfu/100mL