Westmoreland

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

Westmoreland County

7/31/2007 - 7/1/2024, 745 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		 720 1.0 0.0 2419.6 380 52.8 0
E.
Coli		 MPN/100
mL		 720 0.0 0.0 1046.2 112 15.6 0
pH
-		 653 7.6 2.7 9.7 103 15.8 6.5-8.5
Total
Dissolved
Solids		 mg/L 644 264.0 10.0 3246.0 75 11.6 500
Corrosivity
Index*
-		 348 -0.2 -7.6 1.1 222 63.8 -
Hardness mg/L 372 97.5 0.8 1327.8 - - -
Nitrate+Nitrite
N		 mg/L 162 0.5 0.2 16.1 2 1.2 10
Chloride mg/L 146 15.6 1.0 1359.3 3 2.1 250
Sulfate mg/L 83 17.5 1.0 1422.4 5 6.0 250
Aluminum mg/L 33 0.0 0.0 31.4 4 12.1 0.05-0.2
Arsenic mg/L 121 0.00 0.001 0.025 4 3.3 0.01
Barium mg/L 184 0.09 0.00 0.91 0 0.0 2
Cadmium mg/L 47 0.00 0.001 0.002 0 0.0 0.005
Calcium mg/L 348 26.46 0.25 381.09 - - -
Chromium mg/L 47 0.0 0.001 0.006 0 0.0 0.1
Copper mg/L 404 0.01 0.01 7.74 3 0.7 1.0,1.3
Iron mg/L 374 0.2 0.1 34.1 62 16.6 0.3
Lead-1st
draw		 mg/L 153 0.00 0.003 0.084 11 7.2 0.015
Lead-Running mg/L 183 0.003 0.003 0.349 6 3.3 0.015
Magnesium mg/L 348 7.41 0.05 91.37 - - -
Manganese mg/L 375 0.01 0.01 60.68 99 26.4 0.05
Mercury mg/L 53 0.00 0.000 0.001 0 0.0 0.002
Nickel mg/L 47 0.01 0.003 0.055 - - -
Sodium mg/L 17 54.95 3.81 231.36 - - -
Zinc mg/L 47 0.01 0.005 4.94 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

720 Tower Rd
University Park, PA 16802
Directions

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

Ag Analytical Services Lab

Address

720 Tower Rd
University Park, PA 16802
Directions

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