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Juniata

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

Juniata County

2/2/2009 - 6/24/2016, 75 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
73 0.0 0.0 230.4 35 47.9 0
E.
Coli
MPN/100
mL
73 0.0 0.0 101.3 4 5.5 0
pH
-
47 7.7 5.2 8.8 6 12.8 6.5-8.5
Total
Dissolved
Solids
mg/L 46 214.5 28.0 804.0 2 4.3 500
Corrosivity
Index*

-
7 0.4 -4.3 0.9 5 71.4 -
Hardness mg/L 10 113.3 1.7 338.0 - - -
Nitrate+Nitrite
N
mg/L 32 2.5 0.2 14.8 2 6.3 10
Chloride mg/L 0 - - - - - 250
Sulfate mg/L 0 - - - - - 250
Aluminum mg/L 0 - - - - - 0.05-0.2
Arsenic mg/L 2 0.00 0.003 0.003 0 0.0 0.01
Barium mg/L 0 - - - - - 2
Cadmium mg/L 0 - - - - - 0.005
Calcium mg/L 7 33.71 0.50 78.00 - - -
Chromium mg/L 0 - - - - - 0.1
Copper mg/L 8 0.02 0.01 0.18 0 0.0 1.0,1.3
Iron mg/L 8 0.1 0.1 0.5 1 12.5 0.3
Lead-1st
draw
mg/L 8 0.00 0.003 0.130 2 25.0 0.015
Lead-Running mg/L 5 0.003 0.003 0.007 0 0.0 0.015
Magnesium mg/L 7 5.63 0.10 36.51 - - -
Manganese mg/L 7 0.01 0.01 0.68 3 42.9 0.05
Mercury mg/L 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