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Cambria

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

Cambria County

10/14/2007 - 4/8/2016, 41 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
40 10.0 0.0 200.5 24 60.0 0
E.
Coli
MPN/100
mL
40 0.0 0.0 28.8 7 17.5 0
pH
-
39 7.3 5.5 8.2 6 15.4 6.5-8.5
Total
Dissolved
Solids
mg/L 39 185.0 20.0 1259.0 2 5.1 500
Corrosivity
Index*

-
13 -1.4 -3.8 0.7 11 84.6 -
Hardness mg/L 13 28.8 0.8 203.1 - - -
Nitrate+Nitrite
N
mg/L 14 0.8 0.5 11.3 1 7.1 10
Chloride mg/L 10 6.2 5.0 60.6 0 0.0 250
Sulfate mg/L 9 17.0 10.0 586.6 2 22.2 250
Aluminum mg/L 9 0.0 0.0 0.1 0 0.0 0.05-0.2
Arsenic mg/L 10 0.00 0.003 0.003 0 0.0 0.01
Barium mg/L 14 0.04 0.01 0.19 0 0.0 2
Cadmium mg/L 5 0.00 0.001 0.001 0 0.0 0.005
Calcium mg/L 12 9.76 0.25 62.74 - - -
Chromium mg/L 5 0.0 0.005 0.005 0 0.0 0.1
Copper mg/L 17 0.01 0.01 0.56 0 0.0 1.0,1.3
Iron mg/L 13 0.1 0.1 2.4 1 7.7 0.3
Lead-1st
draw
mg/L 2 0.02 0.006 0.030 1 50.0 0.015
Lead-Running mg/L 11 0.003 0.003 0.007 0 0.0 0.015
Magnesium mg/L 12 1.01 0.05 11.02 - - -
Manganese mg/L 15 0.01 0.01 1.94 2 13.3 0.05
Mercury mg/L 5 0.00 0.001 0.001 0 0.0 0.002
Nickel mg/L 5 0.01 0.005 0.005 - - -
Sodium mg/L 0 - - - - - -
Zinc mg/L 5 0.02 0.01 0.16 0 0.0 5

*For corrosivity index, failure criteria based on less than -0.5 or greater than 0.5