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 measurements750
Mean4300 cfu/100mL
Geometric Mean1500 cfu/100mL
Standard Deviation8500 cfu/100mL
Minimum 190 cfu/100mL
1 percentile 190 cfu/100mL
5 percentile 240 cfu/100mL
10 percentile 290 cfu/100mL
25 percentile 570 cfu/100mL
Median 1300 cfu/100mL
75 percentile 3500 cfu/100mL
90 percentile 12000 cfu/100mL
95 percentile 21000 cfu/100mL
99 percentile 50000 cfu/100mL
Maximum 79000 cfu/100mL