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

Snyder County

1/18/2007 - 6/25/2018, 96 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
90 0.0 0.0 200.5 44 48.9 0
E.
Coli
MPN/100
mL
90 0.0 0.0 165.2 9 10.0 0
pH
-
82 7.7 6.0 10.5 9 11.0 6.5-8.5
Total
Dissolved
Solids
mg/L 82 158.0 27.0 623.0 2 2.4 500
Corrosivity
Index*

-
31 -0.5 -2.4 0.9 19 61.3 -
Hardness mg/L 32 74.3 0.8 284.5 - - -
Nitrate+Nitrite
N
mg/L 28 0.5 0.2 12.3 1 3.6 10
Chloride mg/L 2 28.8 5.0 52.5 0 0.0 250
Sulfate mg/L 5 13.4 4.0 18.4 0 0.0 250
Aluminum mg/L 2 0.0 0.0 0.0 0 0.0 0.05-0.2
Arsenic mg/L 2 0.02 0.003 0.044 1 50.0 0.01
Barium mg/L 1 0.12 0.12 0.12 0 0.0 2
Cadmium mg/L 1 0.00 0.001 0.001 0 0.0 0.005
Calcium mg/L 30 17.64 0.25 104.85 - - -
Chromium mg/L 1 0.0 0.005 0.005 0 0.0 0.1
Copper mg/L 27 0.01 0.01 0.89 0 0.0 1.0,1.3
Iron mg/L 31 0.1 0.0 4.2 3 9.7 0.3
Lead-1st
draw
mg/L 7 0.00 0.003 0.005 0 0.0 0.015
Lead-Running mg/L 11 0.003 0.003 0.018 1 9.1 0.015
Magnesium mg/L 21 5.78 0.05 15.03 - - -
Manganese mg/L 31 0.08 0.01 8.48 16 51.6 0.05
Mercury mg/L 10 0.10 0.001 4.640 9 90.0 0.002
Nickel mg/L 1 0.01 0.005 0.005 - - -
Sodium mg/L 11 0.01 0.01 1.42 - - -
Zinc mg/L 8 0.00 0.00 0.01 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