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Cumberland

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

Cumberland County

6/11/2007 - 6/1/2018, 95 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
93 0.0 0.0 200.5 42 45.2 0
E.
Coli
MPN/100
mL
93 0.0 0.0 200.5 4 4.3 0
pH
-
79 7.6 5.9 9.1 5 6.3 6.5-8.5
Total
Dissolved
Solids
mg/L 79 242.0 20.0 561.0 6 7.6 500
Corrosivity
Index*

-
32 -0.0 -4.2 0.9 21 65.6 -
Hardness mg/L 33 129.2 0.8 453.2 - - -
Nitrate+Nitrite
N
mg/L 45 3.3 0.2 19.7 4 8.9 10
Chloride mg/L 5 5.0 5.0 73.4 0 0.0 250
Sulfate mg/L 7 41.1 10.0 95.8 0 0.0 250
Aluminum mg/L 6 0.0 0.0 0.1 0 0.0 0.05-0.2
Arsenic mg/L 8 0.00 0.001 0.003 0 0.0 0.01
Barium mg/L 5 0.02 0.01 0.11 0 0.0 2
Cadmium mg/L 2 0.00 0.001 0.002 0 0.0 0.005
Calcium mg/L 32 28.37 0.25 119.64 - - -
Chromium mg/L 2 0.0 0.005 0.005 0 0.0 0.1
Copper mg/L 31 0.01 0.01 0.29 0 0.0 1.0,1.3
Iron mg/L 36 0.1 0.0 2.1 3 8.3 0.3
Lead-1st
draw
mg/L 12 0.00 0.003 0.005 0 0.0 0.015
Lead-Running mg/L 21 0.003 0.003 0.014 0 0.0 0.015
Magnesium mg/L 24 3.88 0.05 35.21 - - -
Manganese mg/L 33 0.01 0.01 52.08 13 39.4 0.05
Mercury mg/L 10 0.05 0.000 0.360 9 90.0 0.002
Nickel mg/L 1 0.01 0.005 0.005 - - -
Sodium mg/L 10 0.01 0.01 0.11 - - -
Zinc mg/L 8 0.00 0.00 0.41 0 0.0 5

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