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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 measurements748
Mean36 cfu/100mL
Geometric Mean30 cfu/100mL
Standard Deviation23 cfu/100mL
Minimum 12 cfu/100mL
1 percentile 14 cfu/100mL
5 percentile 15 cfu/100mL
10 percentile 15 cfu/100mL
25 percentile 18 cfu/100mL
Median 26 cfu/100mL
75 percentile 50 cfu/100mL
90 percentile 76 cfu/100mL
95 percentile 85 cfu/100mL
99 percentile 99 cfu/100mL
Maximum 110 cfu/100mL

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Page Last Modified: Wed 06 October 2010