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Clearfield

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

Clearfield County

5/19/2008 - 6/14/2016, 24 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
20 200.5 0.0 200.5 15 75.0 0
E.
Coli
MPN/100
mL
20 0.0 0.0 118.4 7 35.0 0
pH
-
21 7.2 4.6 8.0 6 28.6 6.5-8.5
Total
Dissolved
Solids
mg/L 21 124.0 20.0 504.0 1 4.8 500
Corrosivity
Index*

-
4 -1.9 -3.8 -0.2 2 50.0 -
Hardness mg/L 4 75.2 0.8 100.8 - - -
Nitrate+Nitrite
N
mg/L 4 0.5 0.5 1.8 0 0.0 10
Chloride mg/L 7 2.4 2.0 38.3 0 0.0 250
Sulfate mg/L 6 88.6 18.6 268.8 1 16.7 250
Aluminum mg/L 7 0.0 0.0 2.2 3 42.9 0.05-0.2
Arsenic mg/L 4 0.00 0.003 0.003 0 0.0 0.01
Barium mg/L 10 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 4 22.13 0.25 33.90 - - -
Chromium mg/L 2 0.0 0.001 0.005 0 0.0 0.1
Copper mg/L 6 0.11 0.01 0.18 0 0.0 1.0,1.3
Iron mg/L 6 0.2 0.1 0.4 1 16.7 0.3
Lead-1st
draw
mg/L 4 0.00 0.003 0.024 1 25.0 0.015
Lead-Running mg/L 7 0.004 0.003 0.013 0 0.0 0.015
Magnesium mg/L 4 3.75 0.05 6.10 - - -
Manganese mg/L 9 0.03 0.01 0.88 4 44.4 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