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

Cameron County

3/11/2008 - 6/7/2021, 91 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
89 20.7 0.0 200.5 63 70.8 0
E.
Coli
MPN/100
mL
89 0.0 0.0 200.5 26 29.2 0
pH
-
87 7.3 5.5 9.3 11 12.6 6.5-8.5
Total
Dissolved
Solids
mg/L 85 106.0 20.0 687.0 4 4.7 500
Corrosivity
Index*

-
32 -0.4 -3.2 0.3 16 50.0 -
Hardness mg/L 14 56.8 17.2 200.3 - - -
Nitrate+Nitrite
N
mg/L 50 0.5 0.2 4.8 0 0.0 10
Chloride mg/L 25 17.6 1.0 251.7 1 4.0 250
Sulfate mg/L 3 10.0 7.9 10.0 0 0.0 250
Aluminum mg/L 4 0.0 0.0 2.2 1 25.0 0.05-0.2
Arsenic mg/L 23 0.00 0.003 0.048 1 4.3 0.01
Barium mg/L 30 0.06 0.00 2.03 1 3.3 2
Cadmium mg/L 4 0.00 0.001 0.001 0 0.0 0.005
Calcium mg/L 13 17.03 5.18 51.72 - - -
Chromium mg/L 4 0.0 0.005 0.005 0 0.0 0.1
Copper mg/L 17 0.02 0.01 0.30 0 0.0 1.0,1.3
Iron mg/L 13 0.1 0.1 3.5 1 7.7 0.3
Lead-1st
draw
mg/L 11 0.01 0.003 0.077 2 18.2 0.015
Lead-Running mg/L 16 0.003 0.003 0.006 0 0.0 0.015
Magnesium mg/L 13 3.33 1.91 17.27 - - -
Manganese mg/L 15 0.01 0.01 0.31 5 33.3 0.05
Mercury mg/L 4 0.00 0.001 0.001 0 0.0 0.002
Nickel mg/L 4 0.01 0.005 0.011 - - -
Sodium mg/L 0 - - - - - -
Zinc mg/L 4 0.01 0.01 0.19 0 0.0 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 - 4:30 PM

Ag Analytical Services Lab

Address

111 Ag Analytical Srvcs Lab
University Park, PA 16802
Directions

Hours: Monday-Friday, 8:00 AM - 4:30 PM