Somerset

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

Somerset County

8/20/2007 - 6/4/2024, 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		 94 0.0 0.0 200.5 42 44.7 0
E.
Coli		 MPN/100
mL		 94 0.0 0.0 20.3 9 9.6 0
pH
-		 84 7.4 4.8 9.2 19 22.6 6.5-8.5
Total
Dissolved
Solids		 mg/L 81 153.0 20.0 829.0 1 1.2 500
Corrosivity
Index*
-		 30 -0.3 -5.5 0.4 14 46.7 -
Hardness mg/L 32 90.2 0.8 321.3 - - -
Nitrate+Nitrite
N		 mg/L 28 0.3 0.2 13.1 1 3.6 10
Chloride mg/L 12 4.1 1.0 34.6 0 0.0 250
Sulfate mg/L 13 8.2 1.0 74.0 0 0.0 250
Aluminum mg/L 10 0.0 0.0 2.5 3 30.0 0.05-0.2
Arsenic mg/L 26 0.00 0.003 0.017 3 11.5 0.01
Barium mg/L 20 0.04 0.00 0.30 0 0.0 2
Cadmium mg/L 11 0.00 0.001 0.001 0 0.0 0.005
Calcium mg/L 30 24.04 0.25 90.80 - - -
Chromium mg/L 11 0.0 0.001 0.005 0 0.0 0.1
Copper mg/L 44 0.01 0.01 0.73 0 0.0 1.0,1.3
Iron mg/L 36 0.1 0.1 18.4 12 33.3 0.3
Lead-1st
draw		 mg/L 26 0.00 0.003 0.215 4 15.4 0.015
Lead-Running mg/L 28 0.003 0.003 0.019 1 3.6 0.015
Magnesium mg/L 30 5.77 0.05 22.96 - - -
Manganese mg/L 38 0.04 0.01 0.89 18 47.4 0.05
Mercury mg/L 12 0.00 0.001 0.001 0 0.0 0.002
Nickel mg/L 11 0.01 0.005 0.011 - - -
Sodium mg/L 4 53.35 0.30 125.72 - - -
Zinc mg/L 11 0.01 0.005 0.06 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

720 Tower Rd
University Park, PA 16802
Directions

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

Ag Analytical Services Lab

Address

720 Tower Rd
University Park, PA 16802
Directions

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