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 measurements739
Mean830 cfu/100mL
Geometric Mean350 cfu/100mL
Standard Deviation1800 cfu/100mL
Minimum 21 cfu/100mL
1 percentile 30 cfu/100mL
5 percentile 41 cfu/100mL
10 percentile 50 cfu/100mL
25 percentile 240 cfu/100mL
Median 390 cfu/100mL
75 percentile 640 cfu/100mL
90 percentile 1300 cfu/100mL
95 percentile 3000 cfu/100mL
99 percentile 11000 cfu/100mL
Maximum 16000 cfu/100mL