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Pennsylvania Real-time Water Quality

USGS station:

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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 measurements745
Mean55 cfu/100mL
Geometric Mean45 cfu/100mL
Standard Deviation58 cfu/100mL
Minimum 17 cfu/100mL
1 percentile 19 cfu/100mL
5 percentile 25 cfu/100mL
10 percentile 27 cfu/100mL
25 percentile 30 cfu/100mL
Median 43 cfu/100mL
75 percentile 55 cfu/100mL
90 percentile 77 cfu/100mL
95 percentile 110 cfu/100mL
99 percentile 380 cfu/100mL
Maximum 600 cfu/100mL

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Page Last Modified: Wed 06 October 2010