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Juniata

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

Juniata County

2/2/2009 - 7/3/2017, 99 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
97 0.0 0.0 230.4 44 45.4 0
E.
Coli
MPN/100
mL
97 0.0 0.0 101.3 6 6.2 0
pH
-
61 7.7 5.2 8.8 7 11.5 6.5-8.5
Total
Dissolved
Solids
mg/L 60 217.0 28.0 983.0 5 8.3 500
Corrosivity
Index*

-
10 0.6 -4.3 0.9 7 70.0 -
Hardness mg/L 13 178.4 1.7 443.8 - - -
Nitrate+Nitrite
N
mg/L 39 2.0 0.2 14.8 2 5.1 10
Chloride mg/L 0 - - - - - 250
Sulfate mg/L 1 574.6 574.6 574.6 1 100.0 250
Aluminum mg/L 0 - - - - - 0.05-0.2
Arsenic mg/L 4 0.00 0.003 0.004 0 0.0 0.01
Barium mg/L 0 - - - - - 2
Cadmium mg/L 0 - - - - - 0.005
Calcium mg/L 10 54.37 0.50 99.31 - - -
Chromium mg/L 0 - - - - - 0.1
Copper mg/L 12 0.05 0.01 0.54 0 0.0 1.0,1.3
Iron mg/L 11 0.1 0.0 0.5 1 9.1 0.3
Lead-1st
draw
mg/L 8 0.00 0.003 0.130 2 25.0 0.015
Lead-Running mg/L 9 0.003 0.003 0.007 0 0.0 0.015
Magnesium mg/L 7 5.63 0.10 36.51 - - -
Manganese mg/L 10 0.13 0.01 47.56 6 60.0 0.05
Mercury mg/L 3 0.30 0.100 0.337 3 100.0 0.002
Nickel mg/L 0 - - - - - -
Sodium mg/L 3 0.01 0.01 0.05 - - -
Zinc mg/L 1 0.00 0.00 0.00 0 0.0 5

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