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 measurements757
Mean39 cfu/100mL
Geometric Mean37 cfu/100mL
Standard Deviation16 cfu/100mL
Minimum 25 cfu/100mL
1 percentile 26 cfu/100mL
5 percentile 27 cfu/100mL
10 percentile 28 cfu/100mL
25 percentile 29 cfu/100mL
Median 32 cfu/100mL
75 percentile 42 cfu/100mL
90 percentile 58 cfu/100mL
95 percentile 74 cfu/100mL
99 percentile 110 cfu/100mL
Maximum 130 cfu/100mL