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

Clearfield County

5/19/2008 - 6/16/2020, 53 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
48 141.8 0.0 200.5 35 72.9 0
E.
Coli
MPN/100
mL
48 0.0 0.0 144.5 19 39.6 0
pH
-
46 6.9 4.6 8.9 17 37.0 6.5-8.5
Total
Dissolved
Solids
mg/L 46 106.0 20.0 646.0 2 4.3 500
Corrosivity
Index*

-
15 -1.6 -3.8 0.3 11 73.3 -
Hardness mg/L 15 28.1 0.8 172.2 - - -
Nitrate+Nitrite
N
mg/L 10 1.6 0.2 13.4 2 20.0 10
Chloride mg/L 11 2.4 1.0 38.3 0 0.0 250
Sulfate mg/L 10 38.3 11.5 268.8 1 10.0 250
Aluminum mg/L 11 0.0 0.0 2.2 5 45.5 0.05-0.2
Arsenic mg/L 7 0.00 0.003 0.003 0 0.0 0.01
Barium mg/L 14 0.05 0.00 0.67 0 0.0 2
Cadmium mg/L 2 0.00 0.001 0.001 0 0.0 0.005
Calcium mg/L 15 6.24 0.25 49.03 - - -
Chromium mg/L 2 0.0 0.001 0.005 0 0.0 0.1
Copper mg/L 17 0.02 0.01 0.18 0 0.0 1.0,1.3
Iron mg/L 16 0.1 0.1 5.6 3 18.8 0.3
Lead-1st
draw
mg/L 11 0.00 0.003 0.024 1 9.1 0.015
Lead-Running mg/L 13 0.003 0.003 0.013 0 0.0 0.015
Magnesium mg/L 15 2.93 0.05 12.08 - - -
Manganese mg/L 22 0.01 0.01 0.88 6 27.3 0.05
Mercury mg/L 3 0.00 0.001 0.001 0 0.0 0.002
Nickel mg/L 2 0.02 0.006 0.028 - - -
Sodium mg/L 0 - - - - - -
Zinc mg/L 2 0.08 0.04 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