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Fayette

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

Fayette County

12/13/2007 - 6/27/2017, 96 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
91 2.0 0.0 200.5 55 60.4 0
E.
Coli
MPN/100
mL
91 0.0 0.0 200.5 19 20.9 0
pH
-
83 7.5 4.8 9.1 10 12.0 6.5-8.5
Total
Dissolved
Solids
mg/L 82 177.0 20.0 2123.0 5 6.1 500
Corrosivity
Index*

-
64 -0.9 -4.4 0.8 49 76.6 -
Hardness mg/L 66 54.8 0.8 383.1 - - -
Nitrate+Nitrite
N
mg/L 65 0.3 0.2 4.3 0 0.0 10
Chloride mg/L 9 6.8 2.0 802.9 2 22.2 250
Sulfate mg/L 6 21.1 10.0 58.4 0 0.0 250
Aluminum mg/L 4 0.0 0.0 0.0 0 0.0 0.05-0.2
Arsenic mg/L 58 0.00 0.003 0.003 0 0.0 0.01
Barium mg/L 61 0.05 0.00 1.75 0 0.0 2
Cadmium mg/L 2 0.00 0.001 0.001 0 0.0 0.005
Calcium mg/L 66 16.34 0.25 118.04 - - -
Chromium mg/L 2 0.0 0.005 0.005 0 0.0 0.1
Copper mg/L 69 0.04 0.01 4.46 5 7.2 1.0,1.3
Iron mg/L 38 0.0 0.0 1.0 3 7.9 0.3
Lead-1st
draw
mg/L 36 0.00 0.003 0.021 1 2.8 0.015
Lead-Running mg/L 63 0.003 0.003 0.013 0 0.0 0.015
Magnesium mg/L 39 4.37 0.05 28.82 - - -
Manganese mg/L 40 0.18 0.01 28.27 22 55.0 0.05
Mercury mg/L 3 0.00 0.001 0.557 1 33.3 0.002
Nickel mg/L 2 0.01 0.005 0.005 - - -
Sodium mg/L 2 0.09 0.01 0.17 - - -
Zinc mg/L 29 0.00 0.00 0.04 0 0.0 5

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