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Luzerne

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

Luzerne County

10/26/2007 - 6/9/2017, 94 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
89 0.0 0.0 200.5 43 48.3 0
E.
Coli
MPN/100
mL
89 0.0 0.0 11.1 7 7.9 0
pH
-
80 7.4 5.6 9.0 14 17.5 6.5-8.5
Total
Dissolved
Solids
mg/L 79 123.0 24.0 552.0 1 1.3 500
Corrosivity
Index*

-
29 -0.5 -4.4 0.4 14 48.3 -
Hardness mg/L 36 67.6 1.7 182.9 - - -
Nitrate+Nitrite
N
mg/L 28 0.7 0.2 10.2 1 3.6 10
Chloride mg/L 16 3.0 1.2 70.5 0 0.0 250
Sulfate mg/L 4 10.2 9.8 12.5 0 0.0 250
Aluminum mg/L 3 0.0 0.0 0.0 0 0.0 0.05-0.2
Arsenic mg/L 13 0.00 0.001 0.013 2 15.4 0.01
Barium mg/L 22 0.03 0.00 0.21 0 0.0 2
Cadmium mg/L 7 0.00 0.001 0.002 0 0.0 0.005
Calcium mg/L 33 17.76 0.50 52.03 - - -
Chromium mg/L 7 0.0 0.001 0.005 0 0.0 0.1
Copper mg/L 34 0.03 0.01 5.12 2 5.9 1.0,1.3
Iron mg/L 37 0.1 0.0 0.9 1 2.7 0.3
Lead-1st
draw
mg/L 13 0.01 0.003 0.042 2 15.4 0.015
Lead-Running mg/L 25 0.003 0.003 0.006 0 0.0 0.015
Magnesium mg/L 29 4.07 0.43 12.87 - - -
Manganese mg/L 36 0.01 0.01 4.01 7 19.4 0.05
Mercury mg/L 12 0.00 0.000 1.976 5 41.7 0.002
Nickel mg/L 6 0.01 0.005 0.006 - - -
Sodium mg/L 10 1.08 0.01 8.09 - - -
Zinc mg/L 9 0.01 0.00 0.02 0 0.0 5

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