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

Philadelphia County

2/6/2008 - 5/19/2020, 84 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
73 0.0 0.0 253.8 31 42.5 0
E.
Coli
MPN/100
mL
73 0.0 0.0 200.5 16 21.9 0
pH
-
58 7.4 5.9 7.8 2 3.4 6.5-8.5
Total
Dissolved
Solids
mg/L 57 237.0 20.0 678.0 1 1.8 500
Corrosivity
Index*

-
24 -0.7 -2.7 -0.1 16 66.7 -
Hardness mg/L 25 120.6 0.8 190.3 - - -
Nitrate+Nitrite
N
mg/L 5 2.4 0.2 3.7 0 0.0 10
Chloride mg/L 6 59.5 3.2 115.9 0 0.0 250
Sulfate mg/L 1 52.6 52.6 52.6 0 0.0 250
Aluminum mg/L 1 0.0 0.0 0.0 0 0.0 0.05-0.2
Arsenic mg/L 26 0.00 0.003 0.003 0 0.0 0.01
Barium mg/L 26 0.04 0.00 0.15 0 0.0 2
Cadmium mg/L 25 0.00 0.001 0.001 0 0.0 0.005
Calcium mg/L 24 34.44 0.25 49.47 - - -
Chromium mg/L 25 0.0 0.001 0.005 0 0.0 0.1
Copper mg/L 35 0.11 0.01 1.10 0 0.0 1.0,1.3
Iron mg/L 44 0.1 0.0 0.5 2 4.5 0.3
Lead-1st
draw
mg/L 25 0.01 0.003 0.008 0 0.0 0.015
Lead-Running mg/L 36 0.003 0.003 0.037 3 8.3 0.015
Magnesium mg/L 5 6.33 0.05 9.47 - - -
Manganese mg/L 24 6.15 0.00 16.66 18 75.0 0.05
Mercury mg/L 29 0.05 0.001 0.132 22 75.9 0.002
Nickel mg/L 9 0.01 0.005 9.883 - - -
Sodium mg/L 19 0.01 0.01 0.02 - - -
Zinc mg/L 46 0.00 0.00 0.14 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