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

Jefferson County

5/9/2008 - 1/20/2020, 81 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
80 20.0 0.0 200.5 55 68.8 0
E.
Coli
MPN/100
mL
80 0.0 0.0 200.5 26 32.5 0
pH
-
76 6.7 3.2 8.0 26 34.2 6.5-8.5
Total
Dissolved
Solids
mg/L 76 115.0 20.0 1884.0 3 3.9 500
Corrosivity
Index*

-
49 -2.5 -4.9 0.3 44 89.8 -
Hardness mg/L 53 36.8 0.8 866.1 - - -
Nitrate+Nitrite
N
mg/L 55 0.7 0.2 9.9 0 0.0 10
Chloride mg/L 7 2.0 2.0 15.8 0 0.0 250
Sulfate mg/L 5 33.3 10.0 784.0 1 20.0 250
Aluminum mg/L 4 0.0 0.0 0.2 2 50.0 0.05-0.2
Arsenic mg/L 57 0.00 0.003 0.023 1 1.8 0.01
Barium mg/L 49 0.05 0.00 1.38 0 0.0 2
Cadmium mg/L 2 0.00 0.001 0.001 0 0.0 0.005
Calcium mg/L 50 8.28 0.25 212.64 - - -
Chromium mg/L 2 0.0 0.005 0.005 0 0.0 0.1
Copper mg/L 52 0.02 0.01 2.92 1 1.9 1.0,1.3
Iron mg/L 11 0.1 0.1 225.3 4 36.4 0.3
Lead-1st
draw
mg/L 46 0.00 0.003 0.192 10 21.7 0.015
Lead-Running mg/L 48 0.003 0.003 0.134 2 4.2 0.015
Magnesium mg/L 50 2.86 0.05 81.38 - - -
Manganese mg/L 14 0.02 0.01 27.24 6 42.9 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 0.006 - - -
Sodium mg/L 0 - - - - - -
Zinc mg/L 2 0.07 0.01 0.13 0 0.0 5

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

Ag Analytical Services Lab

Address

111 Ag Analytical Srvcs Lab
University Park, PA 16802
Directions

Hours: Monday-Friday, 8:00 AM - 4:30 PM

Ag Analytical Services Lab

Address

111 Ag Analytical Srvcs Lab
University Park, PA 16802
Directions

Hours: Monday-Friday, 8:00 AM - 4:30 PM