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 measurements751
Mean1300 cfu/100mL
Geometric Mean790 cfu/100mL
Standard Deviation3100 cfu/100mL
Minimum 390 cfu/100mL
1 percentile 440 cfu/100mL
5 percentile 480 cfu/100mL
10 percentile 500 cfu/100mL
25 percentile 530 cfu/100mL
Median 590 cfu/100mL
75 percentile 840 cfu/100mL
90 percentile 1900 cfu/100mL
95 percentile 4300 cfu/100mL
99 percentile 17000 cfu/100mL
Maximum 43000 cfu/100mL