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Venango

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

Venango County

5/17/2010 - 7/29/2016, 23 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
20 0.0 0.0 200.5 9 45.0 0
E.
Coli
MPN/100
mL
20 0.0 0.0 25.4 1 5.0 0
pH
-
20 7.4 5.5 9.1 7 35.0 6.5-8.5
Total
Dissolved
Solids
mg/L 20 196.5 33.0 403.0 0 0.0 500
Corrosivity
Index*

-
5 -2.6 -4.4 0.5 5 100.0 -
Hardness mg/L 6 21.5 0.8 165.8 - - -
Nitrate+Nitrite
N
mg/L 11 0.5 0.2 2.1 0 0.0 10
Chloride mg/L 4 22.6 5.0 87.5 0 0.0 250
Sulfate mg/L 2 83.5 20.1 146.9 0 0.0 250
Aluminum mg/L 2 0.0 0.0 0.0 0 0.0 0.05-0.2
Arsenic mg/L 5 0.00 0.003 0.003 0 0.0 0.01
Barium mg/L 5 0.07 0.00 0.81 0 0.0 2
Cadmium mg/L 0 - - - - - 0.005
Calcium mg/L 5 4.75 0.25 47.75 - - -
Chromium mg/L 0 - - - - - 0.1
Copper mg/L 5 0.03 0.01 0.94 0 0.0 1.0,1.3
Iron mg/L 5 0.1 0.1 0.8 2 40.0 0.3
Lead-1st
draw
mg/L 2 0.02 0.007 0.035 1 50.0 0.015
Lead-Running mg/L 2 0.008 0.003 0.012 0 0.0 0.015
Magnesium mg/L 5 2.18 0.05 11.32 - - -
Manganese mg/L 6 0.28 0.01 1.67 4 66.7 0.05
Mercury mg/L 1 0.00 0.001 0.001 0 0.0 0.002
Nickel mg/L 0 - - - - - -
Sodium mg/L 0 - - - - - -
Zinc mg/L 0 - - - - - 5

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