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Venango

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

Venango County

5/17/2010 - 5/2/2017, 113 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
109 3.1 0.0 200.5 62 56.9 0
E.
Coli
MPN/100
mL
109 0.0 0.0 200.5 31 28.4 0
pH
-
107 6.6 5.0 9.1 48 44.9 6.5-8.5
Total
Dissolved
Solids
mg/L 107 117.0 20.0 949.0 2 1.9 500
Corrosivity
Index*

-
87 -3.0 -5.6 0.5 74 85.1 -
Hardness mg/L 92 29.9 0.8 620.1 - - -
Nitrate+Nitrite
N
mg/L 97 0.5 0.2 5.3 0 0.0 10
Chloride mg/L 4 22.6 5.0 87.5 0 0.0 250
Sulfate mg/L 4 386.5 20.1 626.1 2 50.0 250
Aluminum mg/L 2 0.0 0.0 0.0 0 0.0 0.05-0.2
Arsenic mg/L 91 0.00 0.003 0.021 4 4.4 0.01
Barium mg/L 90 0.04 0.00 1.13 0 0.0 2
Cadmium mg/L 0 - - - - - 0.005
Calcium mg/L 91 5.70 0.25 151.48 - - -
Chromium mg/L 0 - - - - - 0.1
Copper mg/L 91 0.05 0.01 6.97 4 4.4 1.0,1.3
Iron mg/L 48 0.0 0.0 0.8 2 4.2 0.3
Lead-1st
draw
mg/L 46 0.00 0.003 0.106 12 26.1 0.015
Lead-Running mg/L 88 0.003 0.003 0.106 11 12.5 0.015
Magnesium mg/L 48 2.52 0.05 58.74 - - -
Manganese mg/L 49 2.44 0.01 58.74 38 77.6 0.05
Mercury mg/L 2 1.19 0.001 2.380 1 50.0 0.002
Nickel mg/L 0 - - - - - -
Sodium mg/L 1 0.17 0.17 0.17 - - -
Zinc mg/L 42 0.00 0.00 0.03 0 0.0 5

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