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 measurements657
Mean100 cfu/100mL
Geometric Mean65 cfu/100mL
Standard Deviation300 cfu/100mL
Minimum 45 cfu/100mL
1 percentile 46 cfu/100mL
5 percentile 47 cfu/100mL
10 percentile 48 cfu/100mL
25 percentile 49 cfu/100mL
Median 58 cfu/100mL
75 percentile 72 cfu/100mL
90 percentile 86 cfu/100mL
95 percentile 110 cfu/100mL
99 percentile 2700 cfu/100mL
Maximum 2700 cfu/100mL