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 measurements722
Mean150 cfu/100mL
Geometric Mean52 cfu/100mL
Standard Deviation390 cfu/100mL
Minimum 17 cfu/100mL
1 percentile 19 cfu/100mL
5 percentile 21 cfu/100mL
10 percentile 23 cfu/100mL
25 percentile 27 cfu/100mL
Median 40 cfu/100mL
75 percentile 59 cfu/100mL
90 percentile 200 cfu/100mL
95 percentile 880 cfu/100mL
99 percentile 2400 cfu/100mL
Maximum 3000 cfu/100mL