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Bedford

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

Bedford County

10/5/2007 - 7/5/2016, 95 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 50 54.9 0
E.
Coli
MPN/100
mL
91 0.0 0.0 200.5 12 13.2 0
pH
-
78 7.6 5.9 9.2 6 7.7 6.5-8.5
Total
Dissolved
Solids
mg/L 76 210.5 20.0 902.0 6 7.9 500
Corrosivity
Index*

-
26 0.3 -3.9 1.1 17 65.4 -
Hardness mg/L 30 165.5 0.8 477.1 - - -
Nitrate+Nitrite
N
mg/L 29 0.7 0.5 13.7 1 3.4 10
Chloride mg/L 11 7.0 2.0 18.0 0 0.0 250
Sulfate mg/L 1 11.8 11.8 11.8 0 0.0 250
Aluminum mg/L 1 0.0 0.0 0.0 0 0.0 0.05-0.2
Arsenic mg/L 8 0.00 0.003 0.012 1 12.5 0.01
Barium mg/L 14 0.10 0.01 0.26 0 0.0 2
Cadmium mg/L 6 0.00 0.001 0.021 1 16.7 0.005
Calcium mg/L 26 40.79 0.25 128.22 - - -
Chromium mg/L 6 0.0 0.001 0.005 0 0.0 0.1
Copper mg/L 32 0.01 0.01 0.15 0 0.0 1.0,1.3
Iron mg/L 29 0.1 0.1 0.9 5 17.2 0.3
Lead-1st
draw
mg/L 16 0.00 0.003 0.072 2 12.5 0.015
Lead-Running mg/L 18 0.003 0.003 0.036 1 5.6 0.015
Magnesium mg/L 26 10.21 0.05 41.36 - - -
Manganese mg/L 28 0.01 0.01 0.51 7 25.0 0.05
Mercury mg/L 6 0.00 0.000 0.001 0 0.0 0.002
Nickel mg/L 6 0.01 0.005 0.005 - - -
Sodium mg/L 0 - - - - - -
Zinc mg/L 6 0.01 0.01 1.80 0 0.0 5

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