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 measurements485
Mean470 cfu/100mL
Geometric Mean270 cfu/100mL
Standard Deviation980 cfu/100mL
Minimum 89 cfu/100mL
1 percentile 98 cfu/100mL
5 percentile 110 cfu/100mL
10 percentile 120 cfu/100mL
25 percentile 140 cfu/100mL
Median 240 cfu/100mL
75 percentile 320 cfu/100mL
90 percentile 1100 cfu/100mL
95 percentile 1900 cfu/100mL
99 percentile 3700 cfu/100mL
Maximum 16000 cfu/100mL