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Pennsylvania Real-time Water Quality

USGS station:

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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 measurements747
Mean150 cfu/100mL
Geometric Mean110 cfu/100mL
Standard Deviation150 cfu/100mL
Minimum 32 cfu/100mL
1 percentile 36 cfu/100mL
5 percentile 41 cfu/100mL
10 percentile 52 cfu/100mL
25 percentile 77 cfu/100mL
Median 91 cfu/100mL
75 percentile 150 cfu/100mL
90 percentile 370 cfu/100mL
95 percentile 510 cfu/100mL
99 percentile 680 cfu/100mL
Maximum 1200 cfu/100mL

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Page Last Modified: Wed 06 October 2010