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 measurements411
Mean260 cfu/100mL
Geometric Mean140 cfu/100mL
Standard Deviation350 cfu/100mL
Minimum 32 cfu/100mL
1 percentile 32 cfu/100mL
5 percentile 39 cfu/100mL
10 percentile 42 cfu/100mL
25 percentile 51 cfu/100mL
Median 140 cfu/100mL
75 percentile 240 cfu/100mL
90 percentile 780 cfu/100mL
95 percentile 1000 cfu/100mL
99 percentile 1600 cfu/100mL
Maximum 2200 cfu/100mL