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Jefferson

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

Jefferson County

5/9/2008 - 5/9/2016, 23 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
23 59.1 0.0 200.5 15 65.2 0
E.
Coli
MPN/100
mL
23 0.0 0.0 200.5 6 26.1 0
pH
-
20 6.9 5.1 7.9 5 25.0 6.5-8.5
Total
Dissolved
Solids
mg/L 20 112.5 20.0 715.0 1 5.0 500
Corrosivity
Index*

-
3 -3.5 -4.4 -1.7 3 100.0 -
Hardness mg/L 6 47.0 10.3 377.9 - - -
Nitrate+Nitrite
N
mg/L 9 0.5 0.5 2.1 0 0.0 10
Chloride mg/L 6 2.0 2.0 5.0 0 0.0 250
Sulfate mg/L 3 13.8 10.0 33.3 0 0.0 250
Aluminum mg/L 3 0.0 0.0 0.1 1 33.3 0.05-0.2
Arsenic mg/L 10 0.00 0.003 0.003 0 0.0 0.01
Barium mg/L 6 0.04 0.03 0.08 0 0.0 2
Cadmium mg/L 0 - - - - - 0.005
Calcium mg/L 3 2.48 1.85 17.62 - - -
Chromium mg/L 0 - - - - - 0.1
Copper mg/L 3 0.01 0.01 0.02 0 0.0 1.0,1.3
Iron mg/L 4 0.1 0.1 0.2 0 0.0 0.3
Lead-1st
draw
mg/L 2 0.00 0.003 0.006 0 0.0 0.015
Lead-Running mg/L 3 0.003 0.003 0.006 0 0.0 0.015
Magnesium mg/L 3 2.15 1.37 6.42 - - -
Manganese mg/L 5 0.01 0.01 0.64 1 20.0 0.05
Mercury mg/L 0 - - - - - 0.002
Nickel mg/L 0 - - - - - -
Sodium mg/L 0 - - - - - -
Zinc mg/L 0 - - - - - 5

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