USGS - science for a changing world

Pennsylvania Real-time Water Quality

USGS station:

opens this link in a new window Go to NWISWeb
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
Mean94 cfu/100mL
Geometric Mean51 cfu/100mL
Standard Deviation180 cfu/100mL
Minimum 15 cfu/100mL
1 percentile 21 cfu/100mL
5 percentile 25 cfu/100mL
10 percentile 27 cfu/100mL
25 percentile 30 cfu/100mL
Median 39 cfu/100mL
75 percentile 60 cfu/100mL
90 percentile 170 cfu/100mL
95 percentile 440 cfu/100mL
99 percentile 1100 cfu/100mL
Maximum 1600 cfu/100mL

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://nrtwq.usgs.gov/explore/stat?site_no=01480870&pcode=99406&period=31d_all&timestep=uv
Page Contact Information: National Real-Time Water Quality Information
Page Last Modified: Wed 06 October 2010