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Cumberland

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

Cumberland County

6/11/2007 - 6/30/2016, 75 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
74 0.0 0.0 200.5 36 48.6 0
E.
Coli
MPN/100
mL
74 0.0 0.0 200.5 4 5.4 0
pH
-
62 7.6 5.9 8.8 4 6.5 6.5-8.5
Total
Dissolved
Solids
mg/L 62 233.5 20.0 544.0 2 3.2 500
Corrosivity
Index*

-
24 -0.8 -4.2 0.6 15 62.5 -
Hardness mg/L 25 85.5 0.8 373.2 - - -
Nitrate+Nitrite
N
mg/L 35 2.8 0.5 19.7 3 8.6 10
Chloride mg/L 4 5.0 5.0 73.4 0 0.0 250
Sulfate mg/L 5 10.0 10.0 49.8 0 0.0 250
Aluminum mg/L 4 0.0 0.0 0.1 0 0.0 0.05-0.2
Arsenic mg/L 5 0.00 0.001 0.003 0 0.0 0.01
Barium mg/L 4 0.02 0.02 0.11 0 0.0 2
Cadmium mg/L 1 0.00 0.002 0.002 0 0.0 0.005
Calcium mg/L 24 16.34 0.25 115.37 - - -
Chromium mg/L 1 0.0 0.005 0.005 0 0.0 0.1
Copper mg/L 25 0.01 0.01 0.12 0 0.0 1.0,1.3
Iron mg/L 27 0.1 0.1 2.1 3 11.1 0.3
Lead-1st
draw
mg/L 11 0.00 0.003 0.003 0 0.0 0.015
Lead-Running mg/L 15 0.003 0.003 0.006 0 0.0 0.015
Magnesium mg/L 24 3.88 0.05 35.21 - - -
Manganese mg/L 25 0.01 0.01 4.48 6 24.0 0.05
Mercury mg/L 1 0.00 0.000 0.000 0 0.0 0.002
Nickel mg/L 1 0.01 0.005 0.005 - - -
Sodium mg/L 0 - - - - - -
Zinc mg/L 1 0.41 0.41 0.41 0 0.0 5

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