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 measurements748
Mean140 cfu/100mL
Geometric Mean88 cfu/100mL
Standard Deviation210 cfu/100mL
Minimum 38 cfu/100mL
1 percentile 39 cfu/100mL
5 percentile 43 cfu/100mL
10 percentile 47 cfu/100mL
25 percentile 56 cfu/100mL
Median 75 cfu/100mL
75 percentile 92 cfu/100mL
90 percentile 250 cfu/100mL
95 percentile 640 cfu/100mL
99 percentile 1200 cfu/100mL
Maximum 1600 cfu/100mL