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

Blair County

9/25/2007 - 6/28/2021, 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
89 0.0 0.0 200.5 33 37.1 0
E.
Coli
MPN/100
mL
89 0.0 0.0 101.3 9 10.1 0
pH
-
74 7.7 6.0 8.5 4 5.4 6.5-8.5
Total
Dissolved
Solids
mg/L 75 228.7 20.0 772.0 6 8.0 500
Corrosivity
Index*

-
28 -0.0 -3.3 0.9 19 67.9 -
Hardness mg/L 32 111.8 0.8 576.3 - - -
Nitrate+Nitrite
N
mg/L 38 0.8 0.2 20.0 8 21.1 10
Chloride mg/L 2 4.1 3.1 5.0 0 0.0 250
Sulfate mg/L 2 10.8 5.7 16.0 0 0.0 250
Aluminum mg/L 0 - - - - - 0.05-0.2
Arsenic mg/L 10 0.00 0.001 0.026 1 10.0 0.01
Barium mg/L 7 0.01 0.00 0.10 0 0.0 2
Cadmium mg/L 6 0.00 0.001 0.004 0 0.0 0.005
Calcium mg/L 28 27.74 0.25 124.51 - - -
Chromium mg/L 6 0.0 0.002 0.005 0 0.0 0.1
Copper mg/L 34 0.01 0.01 1.78 1 2.9 1.0,1.3
Iron mg/L 32 0.2 0.1 10.4 8 25.0 0.3
Lead-1st
draw
mg/L 11 0.00 0.003 0.018 1 9.1 0.015
Lead-Running mg/L 17 0.003 0.003 0.045 1 5.9 0.015
Magnesium mg/L 28 6.92 0.05 64.44 - - -
Manganese mg/L 30 0.01 0.01 3.22 10 33.3 0.05
Mercury mg/L 7 0.00 0.000 0.001 0 0.0 0.002
Nickel mg/L 6 0.01 0.005 0.010 - - -
Sodium mg/L 0 - - - - - -
Zinc mg/L 6 0.01 0.01 0.11 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