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Sullivan

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

Sullivan County

7/31/2007 - 9/14/2015, 61 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
57 0.0 0.0 200.5 23 40.4 0
E.
Coli
MPN/100
mL
57 0.0 0.0 53.0 4 7.0 0
pH
-
55 7.3 5.5 8.7 8 14.5 6.5-8.5
Total
Dissolved
Solids
mg/L 54 113.5 20.0 1197.0 1 1.9 500
Corrosivity
Index*

-
10 -1.2 -5.2 0.9 7 70.0 -
Hardness mg/L 17 68.8 0.8 146.6 - - -
Nitrate+Nitrite
N
mg/L 2 2.1 0.5 3.7 0 0.0 10
Chloride mg/L 33 3.7 2.0 55.8 0 0.0 250
Sulfate mg/L 3 10.0 3.3 78.0 0 0.0 250
Aluminum mg/L 3 0.1 0.0 0.1 0 0.0 0.05-0.2
Arsenic mg/L 13 0.00 0.001 0.006 0 0.0 0.01
Barium mg/L 40 0.05 0.00 0.43 0 0.0 2
Cadmium mg/L 8 0.00 0.001 0.002 0 0.0 0.005
Calcium mg/L 17 20.64 0.25 47.74 - - -
Chromium mg/L 8 0.0 0.001 0.005 0 0.0 0.1
Copper mg/L 18 0.02 0.01 3.04 1 5.6 1.0,1.3
Iron mg/L 18 0.2 0.1 11.7 4 22.2 0.3
Lead-1st
draw
mg/L 6 0.01 0.003 0.105 3 50.0 0.015
Lead-Running mg/L 18 0.006 0.003 0.022 1 5.6 0.015
Magnesium mg/L 17 3.00 0.05 7.45 - - -
Manganese mg/L 19 0.01 0.01 1.81 6 31.6 0.05
Mercury mg/L 7 0.00 0.000 0.001 0 0.0 0.002
Nickel mg/L 8 0.01 0.005 0.016 - - -
Sodium mg/L 7 4.52 0.25 16.68 - - -
Zinc mg/L 8 0.01 0.01 1.41 0 0.0 5

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