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Pennsylvania Real-time Water Quality

USGS station:

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Time period:
Model Form:

Model Form #1

log10(FCBR) = 1.4 + 1.25 log10(TURB) - 0.543 sin(2π D / 365)


Model Archive Summary

The model archive summary for computed fecal coliform bacteria can be viewed in pdf form here.

Model Calibration

Basic Data

Number of measurements: 37
Mean squared error: 0.178929
Multiple R2: 0.708
Bias correction (smearing) factor: 1.56

Explanatory Variables

VariableValueStandard error
log10(TURB) 1.250.165
sin(2π D / 365) -0.5430.0939

Correlation Matrix

Interceptlog10(TURB) sin(2π D / 365)
log10(TURB) -0.82021-0.0991
sin(2π D / 365) 0.0558-0.09911


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Page Last Modified: Wed 06 October 2010