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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 measurements742
Mean140 cfu/100mL
Geometric Mean94 cfu/100mL
Standard Deviation420 cfu/100mL
Minimum 51 cfu/100mL
1 percentile 52 cfu/100mL
5 percentile 56 cfu/100mL
10 percentile 60 cfu/100mL
25 percentile 72 cfu/100mL
Median 83 cfu/100mL
75 percentile 100 cfu/100mL
90 percentile 140 cfu/100mL
95 percentile 260 cfu/100mL
99 percentile 1000 cfu/100mL
Maximum 5000 cfu/100mL

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Page Last Modified: Wed 06 October 2010