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

Elk County

8/9/2007 - 6/22/2018, 93 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
92 1.0 0.0 200.5 52 56.5 0
E.
Coli
MPN/100
mL
92 0.0 0.0 56.0 12 13.0 0
pH
-
88 6.8 4.7 8.8 31 35.2 6.5-8.5
Total
Dissolved
Solids
mg/L 88 81.0 20.0 1707.0 6 6.8 500
Corrosivity
Index*

-
67 -2.3 -6.0 0.7 61 91.0 -
Hardness mg/L 67 24.7 0.8 289.7 - - -
Nitrate+Nitrite
N
mg/L 67 0.4 0.2 11.4 2 3.0 10
Chloride mg/L 16 5.0 1.0 480.2 2 12.5 250
Sulfate mg/L 7 10.0 8.5 23.9 0 0.0 250
Aluminum mg/L 6 0.0 0.0 0.1 2 33.3 0.05-0.2
Arsenic mg/L 65 0.00 0.001 0.004 0 0.0 0.01
Barium mg/L 68 0.04 0.00 1.98 0 0.0 2
Cadmium mg/L 0 - - - - - 0.005
Calcium mg/L 66 6.34 0.25 87.16 - - -
Chromium mg/L 0 - - - - - 0.1
Copper mg/L 64 0.07 0.01 10.81 4 6.3 1.0,1.3
Iron mg/L 29 0.1 0.0 16.7 8 27.6 0.3
Lead-1st
draw
mg/L 38 0.00 0.003 0.062 5 13.2 0.015
Lead-Running mg/L 61 0.003 0.003 0.062 4 6.6 0.015
Magnesium mg/L 45 2.42 0.05 20.80 - - -
Manganese mg/L 29 1.04 0.01 6.70 18 62.1 0.05
Mercury mg/L 5 0.10 0.050 2.741 5 100.0 0.002
Nickel mg/L 0 - - - - - -
Sodium mg/L 5 0.09 0.01 1.76 - - -
Zinc mg/L 18 0.00 0.00 0.02 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 Services Lab
University Park, PA 16802
Directions

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

Ag Analytical Services Lab

Address

111 Ag Analytical Services Lab
University Park, PA 16802
Directions

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