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

Jefferson County

5/9/2008 - 6/21/2021, 87 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
86 20.0 0.0 200.5 58 67.4 0
E.
Coli
MPN/100
mL
86 0.0 0.0 200.5 27 31.4 0
pH
-
82 6.7 3.2 8.0 29 35.4 6.5-8.5
Total
Dissolved
Solids
mg/L 82 119.5 20.0 1884.0 4 4.9 500
Corrosivity
Index*

-
51 -2.5 -4.9 0.3 46 90.2 -
Hardness mg/L 55 39.3 0.8 866.1 - - -
Nitrate+Nitrite
N
mg/L 56 0.6 0.2 9.9 0 0.0 10
Chloride mg/L 8 2.0 1.7 15.8 0 0.0 250
Sulfate mg/L 8 17.8 10.0 784.0 1 12.5 250
Aluminum mg/L 8 0.0 0.0 5.8 3 37.5 0.05-0.2
Arsenic mg/L 57 0.00 0.003 0.023 1 1.8 0.01
Barium mg/L 50 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 52 8.79 0.25 212.64 - - -
Chromium mg/L 2 0.0 0.005 0.005 0 0.0 0.1
Copper mg/L 54 0.03 0.01 2.92 1 1.9 1.0,1.3
Iron mg/L 13 0.1 0.1 225.3 4 30.8 0.3
Lead-1st
draw
mg/L 47 0.00 0.003 0.192 11 23.4 0.015
Lead-Running mg/L 49 0.003 0.003 0.134 2 4.1 0.015
Magnesium mg/L 52 3.00 0.05 81.38 - - -
Manganese mg/L 19 0.03 0.01 27.24 8 42.1 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