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Monroe

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

Monroe County

10/29/2007 - 7/2/2018, 63 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
62 0.0 0.0 200.5 26 41.9 0
E.
Coli
MPN/100
mL
62 0.0 0.0 2.0 3 4.8 0
pH
-
57 7.6 5.3 8.2 7 12.3 6.5-8.5
Total
Dissolved
Solids
mg/L 57 137.0 21.0 930.0 2 3.5 500
Corrosivity
Index*

-
39 -0.6 -3.1 0.5 23 59.0 -
Hardness mg/L 40 66.8 0.8 357.4 - - -
Nitrate+Nitrite
N
mg/L 19 0.5 0.2 1.4 0 0.0 10
Chloride mg/L 4 12.2 5.0 57.0 0 0.0 250
Sulfate mg/L 5 14.5 3.7 54.7 0 0.0 250
Aluminum mg/L 0 - - - - - 0.05-0.2
Arsenic mg/L 17 0.00 0.001 0.009 0 0.0 0.01
Barium mg/L 16 0.02 0.00 0.11 0 0.0 2
Cadmium mg/L 8 0.00 0.001 0.001 0 0.0 0.005
Calcium mg/L 38 18.11 0.25 134.82 - - -
Chromium mg/L 8 0.0 0.005 0.005 0 0.0 0.1
Copper mg/L 40 0.04 0.01 0.38 0 0.0 1.0,1.3
Iron mg/L 44 0.1 0.0 1.5 6 13.6 0.3
Lead-1st
draw
mg/L 14 0.01 0.003 0.076 2 14.3 0.015
Lead-Running mg/L 21 0.003 0.003 0.043 1 4.8 0.015
Magnesium mg/L 28 3.97 0.05 13.83 - - -
Manganese mg/L 39 0.01 0.01 36.49 13 33.3 0.05
Mercury mg/L 9 0.05 0.001 1.850 6 66.7 0.002
Nickel mg/L 3 0.01 0.005 0.005 - - -
Sodium mg/L 5 0.01 0.01 0.89 - - -
Zinc mg/L 15 0.00 0.00 0.01 0 0.0 5

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