Elk

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

Elk County

8/9/2007 - 6/20/2023, 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 49 56.3 0
E.
Coli		 MPN/100
mL		 87 0.0 0.0 56.0 10 11.5 0
pH
-		 79 6.8 4.7 9.0 31 39.2 6.5-8.5
Total
Dissolved
Solids		 mg/L 79 70.0 20.0 1707.0 5 6.3 500
Corrosivity
Index*
-		 50 -2.3 -4.9 0.7 44 88.0 -
Hardness mg/L 46 25.1 0.8 289.7 - - -
Nitrate+Nitrite
N		 mg/L 41 0.3 0.2 11.4 1 2.4 10
Chloride mg/L 14 5.0 1.0 480.2 1 7.1 250
Sulfate mg/L 7 10.0 8.5 23.9 0 0.0 250
Aluminum mg/L 6 0.0 0.0 0.1 2 33.3 0.05-0.2
Arsenic mg/L 42 0.00 0.001 0.004 0 0.0 0.01
Barium mg/L 41 0.04 0.00 1.98 0 0.0 2
Cadmium mg/L 0 - - - - - 0.005
Calcium mg/L 45 6.44 0.25 87.16 - - -
Chromium mg/L 0 - - - - - 0.1
Copper mg/L 45 0.03 0.01 1.13 0 0.0 1.0,1.3
Iron mg/L 18 0.1 0.1 16.7 6 33.3 0.3
Lead-1st
draw		 mg/L 37 0.00 0.003 0.242 6 16.2 0.015
Lead-Running mg/L 39 0.003 0.003 0.033 2 5.1 0.015
Magnesium mg/L 45 1.92 0.05 20.80 - - -
Manganese mg/L 18 0.03 0.01 1.91 7 38.9 0.05
Mercury mg/L 1 0.00 0.001 0.001 0 0.0 0.002
Nickel mg/L 0 - - - - - -
Sodium mg/L 1 44.14 44.14 44.14 - - -
Zinc mg/L 0 - - - - - 5

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

Ag Analytical Services Lab

Address

111 Ag Analytical Srvcs Lab
University Park, PA 16802
Directions

Hours: Monday-Friday, 8:00 AM - 4:00 PM

Ag Analytical Services Lab

Address

111 Ag Analytical Srvcs Lab
University Park, PA 16802
Directions

Hours: Monday-Friday, 8:00 AM - 4:00 PM