Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Berks County
9/12/2007 - 6/9/2020, 282 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 |
264 | 0.0 | 0.0 | 691.0 | 121 | 45.8 | 0 |
E. Coli |
MPN/100 mL |
264 | 0.0 | 0.0 | 200.5 | 28 | 10.6 | 0 |
pH | - |
242 | 7.4 | 5.4 | 10.8 | 33 | 13.6 | 6.5-8.5 |
Total Dissolved Solids |
mg/L | 242 | 174.5 | 20.0 | 1125.0 | 10 | 4.1 | 500 |
Corrosivity Index* |
- |
109 | -1.4 | -4.7 | 0.6 | 83 | 76.1 | - |
Hardness | mg/L | 114 | 60.1 | 0.8 | 405.7 | - | - | - |
Nitrate+Nitrite N |
mg/L | 99 | 2.4 | 0.2 | 17.3 | 7 | 7.1 | 10 |
Chloride | mg/L | 6 | 9.4 | 2.2 | 35.4 | 0 | 0.0 | 250 |
Sulfate | mg/L | 4 | 24.5 | 10.9 | 37.7 | 0 | 0.0 | 250 |
Aluminum | mg/L | 3 | 0.0 | 0.0 | 0.0 | 0 | 0.0 | 0.05-0.2 |
Arsenic | mg/L | 42 | 0.00 | 0.001 | 0.062 | 4 | 9.5 | 0.01 |
Barium | mg/L | 30 | 0.02 | 0.00 | 0.41 | 0 | 0.0 | 2 |
Cadmium | mg/L | 19 | 0.00 | 0.001 | 0.004 | 0 | 0.0 | 0.005 |
Calcium | mg/L | 108 | 14.85 | 0.25 | 94.55 | - | - | - |
Chromium | mg/L | 19 | 0.0 | 0.001 | 0.005 | 0 | 0.0 | 0.1 |
Copper | mg/L | 131 | 0.05 | 0.01 | 6.74 | 5 | 3.8 | 1.0,1.3 |
Iron | mg/L | 109 | 0.1 | 0.1 | 47.4 | 11 | 10.1 | 0.3 |
Lead-1st draw |
mg/L | 76 | 0.00 | 0.003 | 0.076 | 8 | 10.5 | 0.015 |
Lead-Running | mg/L | 90 | 0.003 | 0.003 | 2.417 | 6 | 6.7 | 0.015 |
Magnesium | mg/L | 108 | 4.98 | 0.05 | 44.80 | - | - | - |
Manganese | mg/L | 102 | 0.01 | 0.01 | 9.49 | 14 | 13.7 | 0.05 |
Mercury | mg/L | 22 | 0.00 | 0.000 | 0.001 | 0 | 0.0 | 0.002 |
Nickel | mg/L | 19 | 0.01 | 0.005 | 0.013 | - | - | - |
Sodium | mg/L | 0 | - | - | - | - | - | - |
Zinc | mg/L | 19 | 0.01 | 0.01 | 0.16 | 0 | 0.0 | 5 |
*For corrosivity index, failure criteria based on less than -0.5 or greater than 0.5
Ag Analytical Services Lab
Hours: Monday-Friday, 8:00 AM - 4:30 PM
- Email aaslab@psu.edu
- Office 814-863-0841
- Fax 814-863-4540
Ag Analytical Services Lab
Hours: Monday-Friday, 8:00 AM - 4:30 PM
- Email aaslab@psu.edu
- Office 814-863-0841
- Fax 814-863-4540