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Cambria

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

Cambria County

10/14/2007 - 7/3/2017, 47 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
46 4.8 0.0 200.5 26 56.5 0
E.
Coli
MPN/100
mL
46 0.0 0.0 28.8 8 17.4 0
pH
-
44 7.4 5.5 8.2 6 13.6 6.5-8.5
Total
Dissolved
Solids
mg/L 44 167.0 20.0 1259.0 2 4.5 500
Corrosivity
Index*

-
16 -1.3 -3.8 0.7 13 81.3 -
Hardness mg/L 16 42.9 0.8 210.7 - - -
Nitrate+Nitrite
N
mg/L 15 0.7 0.2 11.3 1 6.7 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 11 0.00 0.003 0.003 0 0.0 0.01
Barium mg/L 15 0.04 0.01 0.19 0 0.0 2
Cadmium mg/L 6 0.00 0.001 0.001 0 0.0 0.005
Calcium mg/L 15 11.04 0.25 64.04 - - -
Chromium mg/L 6 0.0 0.005 0.005 0 0.0 0.1
Copper mg/L 18 0.01 0.01 0.56 0 0.0 1.0,1.3
Iron mg/L 17 0.1 0.0 2.4 1 5.9 0.3
Lead-1st
draw
mg/L 3 0.01 0.005 0.030 1 33.3 0.015
Lead-Running mg/L 12 0.003 0.003 0.007 0 0.0 0.015
Magnesium mg/L 12 1.01 0.05 11.02 - - -
Manganese mg/L 18 0.01 0.01 12.32 5 27.8 0.05
Mercury mg/L 8 0.00 0.001 6.710 3 37.5 0.002
Nickel mg/L 5 0.01 0.005 0.005 - - -
Sodium mg/L 3 0.09 0.03 0.40 - - -
Zinc mg/L 7 0.01 0.00 0.16 0 0.0 5

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