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 measurements743
Mean220 cfu/100mL
Geometric Mean150 cfu/100mL
Standard Deviation310 cfu/100mL
Minimum 52 cfu/100mL
1 percentile 56 cfu/100mL
5 percentile 64 cfu/100mL
10 percentile 72 cfu/100mL
25 percentile 86 cfu/100mL
Median 110 cfu/100mL
75 percentile 200 cfu/100mL
90 percentile 390 cfu/100mL
95 percentile 760 cfu/100mL
99 percentile 1900 cfu/100mL
Maximum 2300 cfu/100mL