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 measurements749
Mean2900 cfu/100mL
Geometric Mean1000 cfu/100mL
Standard Deviation6200 cfu/100mL
Minimum 200 cfu/100mL
1 percentile 220 cfu/100mL
5 percentile 270 cfu/100mL
10 percentile 300 cfu/100mL
25 percentile 390 cfu/100mL
Median 760 cfu/100mL
75 percentile 1800 cfu/100mL
90 percentile 8600 cfu/100mL
95 percentile 13000 cfu/100mL
99 percentile 34000 cfu/100mL
Maximum 63000 cfu/100mL