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

Crawford County

1/2/2008 - 6/2/2020, 95 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
90 0.0 0.0 200.5 43 47.8 0
E.
Coli
MPN/100
mL
90 0.0 0.0 200.5 9 10.0 0
pH
-
84 7.8 6.2 8.6 5 6.0 6.5-8.5
Total
Dissolved
Solids
mg/L 83 216.0 59.0 715.0 2 2.4 500
Corrosivity
Index*

-
33 0.1 -2.7 1.1 24 72.7 -
Hardness mg/L 34 125.0 0.8 385.9 - - -
Nitrate+Nitrite
N
mg/L 35 0.5 0.2 6.8 0 0.0 10
Chloride mg/L 14 14.6 2.1 95.2 0 0.0 250
Sulfate mg/L 5 16.2 1.2 38.8 0 0.0 250
Aluminum mg/L 3 0.0 0.0 0.0 0 0.0 0.05-0.2
Arsenic mg/L 18 0.00 0.003 0.065 3 16.7 0.01
Barium mg/L 19 0.04 0.00 0.52 0 0.0 2
Cadmium mg/L 8 0.00 0.001 0.001 0 0.0 0.005
Calcium mg/L 32 35.11 0.25 97.55 - - -
Chromium mg/L 8 0.0 0.001 0.005 0 0.0 0.1
Copper mg/L 41 0.01 0.01 2.46 1 2.4 1.0,1.3
Iron mg/L 34 0.3 0.1 5.6 15 44.1 0.3
Lead-1st
draw
mg/L 19 0.00 0.003 0.076 3 15.8 0.015
Lead-Running mg/L 29 0.003 0.003 0.004 0 0.0 0.015
Magnesium mg/L 32 10.26 0.05 34.56 - - -
Manganese mg/L 36 0.04 0.01 1.33 18 50.0 0.05
Mercury mg/L 10 0.00 0.001 0.001 0 0.0 0.002
Nickel mg/L 8 0.01 0.005 0.007 - - -
Sodium mg/L 0 - - - - - -
Zinc mg/L 8 0.01 0.01 0.04 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