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

Clearfield County

5/19/2008 - 6/7/2022, 91 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
85 22.2 0.0 200.5 54 63.5 0
E.
Coli
MPN/100
mL
85 0.0 0.0 200.5 27 31.8 0
pH
-
79 6.8 4.6 10.1 32 40.5 6.5-8.5
Total
Dissolved
Solids
mg/L 64 106.0 20.0 1572.0 5 7.8 500
Corrosivity
Index*

-
24 -1.9 -5.2 0.4 19 79.2 -
Hardness mg/L 24 27.2 0.8 911.2 - - -
Nitrate+Nitrite
N
mg/L 29 0.5 0.2 13.4 2 6.9 10
Chloride mg/L 12 2.2 1.0 38.3 0 0.0 250
Sulfate mg/L 13 21.0 1.0 268.8 1 7.7 250
Aluminum mg/L 12 0.0 0.0 2.2 5 41.7 0.05-0.2
Arsenic mg/L 25 0.00 0.003 0.003 0 0.0 0.01
Barium mg/L 17 0.05 0.00 0.67 0 0.0 2
Cadmium mg/L 4 0.00 0.001 0.001 0 0.0 0.005
Calcium mg/L 24 6.08 0.25 178.85 - - -
Chromium mg/L 4 0.0 0.001 0.005 0 0.0 0.1
Copper mg/L 24 0.01 0.01 5.68 2 8.3 1.0,1.3
Iron mg/L 25 0.1 0.0 93.8 6 24.0 0.3
Lead-1st
draw
mg/L 27 0.00 0.003 0.024 1 3.7 0.015
Lead-Running mg/L 19 0.003 0.003 0.044 1 5.3 0.015
Magnesium mg/L 18 2.98 0.05 112.83 - - -
Manganese mg/L 46 0.02 0.01 19.88 19 41.3 0.05
Mercury mg/L 11 0.05 0.001 10.383 6 54.5 0.002
Nickel mg/L 4 0.01 0.005 0.028 - - -
Sodium mg/L 6 0.03 0.01 0.51 - - -
Zinc mg/L 8 0.01 0.00 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