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Indiana

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

Indiana County

10/8/2007 - 6/21/2016, 45 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
40 6.4 0.0 200.5 24 60.0 0
E.
Coli
MPN/100
mL
40 0.0 0.0 200.5 8 20.0 0
pH
-
36 7.6 4.7 9.1 9 25.0 6.5-8.5
Total
Dissolved
Solids
mg/L 35 181.0 33.0 592.0 2 5.7 500
Corrosivity
Index*

-
11 0.2 -3.6 0.5 4 36.4 -
Hardness mg/L 11 104.5 12.5 204.6 - - -
Nitrate+Nitrite
N
mg/L 15 0.5 0.2 2.3 0 0.0 10
Chloride mg/L 6 6.2 4.4 21.3 0 0.0 250
Sulfate mg/L 4 85.4 10.0 261.6 1 25.0 250
Aluminum mg/L 4 0.0 0.0 0.0 0 0.0 0.05-0.2
Arsenic mg/L 4 0.00 0.001 0.003 0 0.0 0.01
Barium mg/L 9 0.09 0.02 0.39 0 0.0 2
Cadmium mg/L 3 0.00 0.001 0.002 0 0.0 0.005
Calcium mg/L 11 29.80 1.33 64.85 - - -
Chromium mg/L 3 0.0 0.002 0.005 0 0.0 0.1
Copper mg/L 14 0.01 0.01 0.32 0 0.0 1.0,1.3
Iron mg/L 12 0.1 0.1 7.9 5 41.7 0.3
Lead-1st
draw
mg/L 5 0.00 0.003 0.012 0 0.0 0.015
Lead-Running mg/L 8 0.003 0.003 0.016 1 12.5 0.015
Magnesium mg/L 11 6.23 2.03 11.00 - - -
Manganese mg/L 16 0.02 0.01 0.62 7 43.8 0.05
Mercury mg/L 3 0.00 0.001 0.001 0 0.0 0.002
Nickel mg/L 3 0.01 0.005 0.005 - - -
Sodium mg/L 0 - - - - - -
Zinc mg/L 3 0.01 0.01 0.05 0 0.0 5

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