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Fayette

Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory

Fayette County

12/13/2007 - 6/8/2016, 37 Samples

Test Parameter Units Number of Samples Tested Median Minimum Maximum Number of samples failing EPA Std Percent of samples failing EPA Std EPA Drink Water Std
Total
Coliform
MPN/100
mL
32 1.5 0.0 200.5 22 68.8 0
E.
Coli
MPN/100
mL
32 0.0 0.0 200.5 6 18.8 0
pH
-
25 7.6 5.4 9.1 4 16.0 6.5-8.5
Total
Dissolved
Solids
mg/L 24 129.0 45.3 522.0 1 4.2 500
Corrosivity
Index*

-
11 -0.5 -3.0 0.7 7 63.6 -
Hardness mg/L 11 62.5 32.5 277.4 - - -
Nitrate+Nitrite
N
mg/L 9 0.5 0.5 1.1 0 0.0 10
Chloride mg/L 7 5.0 2.0 32.1 0 0.0 250
Sulfate mg/L 5 17.8 10.0 58.4 0 0.0 250
Aluminum mg/L 3 0.0 0.0 0.0 0 0.0 0.05-0.2
Arsenic mg/L 4 0.00 0.003 0.003 0 0.0 0.01
Barium mg/L 7 0.08 0.00 0.31 0 0.0 2
Cadmium mg/L 2 0.00 0.001 0.001 0 0.0 0.005
Calcium mg/L 11 16.40 8.82 63.57 - - -
Chromium mg/L 2 0.0 0.005 0.005 0 0.0 0.1
Copper mg/L 14 0.01 0.01 0.79 0 0.0 1.0,1.3
Iron mg/L 11 0.1 0.1 1.0 2 18.2 0.3
Lead-1st
draw
mg/L 7 0.00 0.003 0.021 1 14.3 0.015
Lead-Running mg/L 8 0.003 0.003 0.006 0 0.0 0.015
Magnesium mg/L 11 6.24 0.53 28.82 - - -
Manganese mg/L 13 0.01 0.01 0.21 2 15.4 0.05
Mercury mg/L 2 0.00 0.001 0.001 0 0.0 0.002
Nickel mg/L 2 0.01 0.005 0.005 - - -
Sodium mg/L 0 - - - - - -
Zinc mg/L 2 0.02 0.01 0.04 0 0.0 5

*For corrosivity index, failure criteria based on less than -0.5 or greater than 0.5