Share

Elk

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

Elk County

8/9/2007 - 6/27/2017, 88 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
87 1.0 0.0 200.5 48 55.2 0
E.
Coli
MPN/100
mL
87 0.0 0.0 56.0 10 11.5 0
pH
-
83 6.8 4.7 8.8 29 34.9 6.5-8.5
Total
Dissolved
Solids
mg/L 83 82.0 20.0 1104.0 4 4.8 500
Corrosivity
Index*

-
66 -2.3 -6.0 0.7 60 90.9 -
Hardness mg/L 66 24.7 0.8 289.7 - - -
Nitrate+Nitrite
N
mg/L 65 0.4 0.2 11.4 2 3.1 10
Chloride mg/L 15 5.0 2.0 480.2 2 13.3 250
Sulfate mg/L 6 10.0 10.0 23.9 0 0.0 250
Aluminum mg/L 5 0.0 0.0 0.1 2 40.0 0.05-0.2
Arsenic mg/L 64 0.00 0.001 0.004 0 0.0 0.01
Barium mg/L 67 0.04 0.00 1.98 0 0.0 2
Cadmium mg/L 0 - - - - - 0.005
Calcium mg/L 65 6.25 0.25 87.16 - - -
Chromium mg/L 0 - - - - - 0.1
Copper mg/L 63 0.07 0.01 10.81 4 6.3 1.0,1.3
Iron mg/L 28 0.1 0.0 16.7 8 28.6 0.3
Lead-1st
draw
mg/L 38 0.00 0.003 0.062 5 13.2 0.015
Lead-Running mg/L 60 0.003 0.003 0.062 4 6.7 0.015
Magnesium mg/L 45 2.42 0.05 20.80 - - -
Manganese mg/L 28 1.03 0.01 6.70 17 60.7 0.05
Mercury mg/L 4 0.30 0.100 2.741 4 100.0 0.002
Nickel mg/L 0 - - - - - -
Sodium mg/L 4 0.32 0.02 1.76 - - -
Zinc mg/L 17 0.00 0.00 0.02 0 0.0 5

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