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Luzerne

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

Luzerne County

10/26/2007 - 4/1/2016, 83 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
78 0.0 0.0 200.5 37 47.4 0
E.
Coli
MPN/100
mL
78 0.0 0.0 11.1 7 9.0 0
pH
-
70 7.4 5.6 8.7 11 15.7 6.5-8.5
Total
Dissolved
Solids
mg/L 69 123.0 24.0 343.0 0 0.0 500
Corrosivity
Index*

-
24 -0.3 -3.2 0.4 11 45.8 -
Hardness mg/L 31 76.3 8.4 182.9 - - -
Nitrate+Nitrite
N
mg/L 25 0.7 0.2 10.2 1 4.0 10
Chloride mg/L 15 3.7 2.0 70.5 0 0.0 250
Sulfate mg/L 3 10.3 10.0 12.5 0 0.0 250
Aluminum mg/L 2 0.0 0.0 0.0 0 0.0 0.05-0.2
Arsenic mg/L 11 0.00 0.001 0.013 2 18.2 0.01
Barium mg/L 21 0.03 0.00 0.21 0 0.0 2
Cadmium mg/L 6 0.00 0.001 0.002 0 0.0 0.005
Calcium mg/L 29 19.43 2.67 52.03 - - -
Chromium mg/L 6 0.0 0.001 0.005 0 0.0 0.1
Copper mg/L 30 0.02 0.01 5.12 1 3.3 1.0,1.3
Iron mg/L 32 0.1 0.1 0.9 1 3.1 0.3
Lead-1st
draw
mg/L 12 0.01 0.003 0.042 2 16.7 0.015
Lead-Running mg/L 21 0.003 0.003 0.006 0 0.0 0.015
Magnesium mg/L 29 4.07 0.43 12.87 - - -
Manganese mg/L 32 0.01 0.01 0.24 3 9.4 0.05
Mercury mg/L 7 0.00 0.000 0.001 0 0.0 0.002
Nickel mg/L 6 0.01 0.005 0.006 - - -
Sodium mg/L 5 6.47 1.91 8.09 - - -
Zinc mg/L 6 0.01 0.01 0.02 0 0.0 5

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