Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Berks County
9/12/2007 - 6/14/2022, 355 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 |
334 | 0.0 | 0.0 | 691.0 | 144 | 43.1 | 0 |
E. Coli |
MPN/100 mL |
334 | 0.0 | 0.0 | 200.5 | 29 | 8.7 | 0 |
pH | - |
310 | 7.3 | 5.4 | 10.8 | 47 | 15.2 | 6.5-8.5 |
Total Dissolved Solids |
mg/L | 310 | 181.0 | 20.0 | 1125.0 | 12 | 3.9 | 500 |
Corrosivity Index* |
- |
143 | -1.4 | -4.7 | 0.6 | 111 | 77.6 | - |
Hardness | mg/L | 154 | 61.7 | 0.8 | 405.7 | - | - | - |
Nitrate+Nitrite N |
mg/L | 129 | 3.2 | 0.2 | 17.3 | 8 | 6.2 | 10 |
Chloride | mg/L | 9 | 8.8 | 1.3 | 35.4 | 0 | 0.0 | 250 |
Sulfate | mg/L | 9 | 12.6 | 8.8 | 37.7 | 0 | 0.0 | 250 |
Aluminum | mg/L | 5 | 0.0 | 0.0 | 0.0 | 0 | 0.0 | 0.05-0.2 |
Arsenic | mg/L | 54 | 0.00 | 0.001 | 0.062 | 5 | 9.3 | 0.01 |
Barium | mg/L | 36 | 0.02 | 0.00 | 0.41 | 0 | 0.0 | 2 |
Cadmium | mg/L | 23 | 0.00 | 0.001 | 0.004 | 0 | 0.0 | 0.005 |
Calcium | mg/L | 142 | 14.87 | 0.25 | 94.55 | - | - | - |
Chromium | mg/L | 23 | 0.0 | 0.001 | 0.005 | 0 | 0.0 | 0.1 |
Copper | mg/L | 169 | 0.04 | 0.01 | 6.74 | 5 | 3.0 | 1.0,1.3 |
Iron | mg/L | 145 | 0.1 | 0.1 | 47.4 | 17 | 11.7 | 0.3 |
Lead-1st draw |
mg/L | 100 | 0.00 | 0.003 | 0.076 | 8 | 8.0 | 0.015 |
Lead-Running | mg/L | 118 | 0.003 | 0.003 | 2.417 | 7 | 5.9 | 0.015 |
Magnesium | mg/L | 142 | 5.08 | 0.05 | 44.80 | - | - | - |
Manganese | mg/L | 138 | 0.01 | 0.01 | 9.49 | 17 | 12.3 | 0.05 |
Mercury | mg/L | 27 | 0.00 | 0.000 | 0.001 | 0 | 0.0 | 0.002 |
Nickel | mg/L | 23 | 0.01 | 0.005 | 0.016 | - | - | - |
Sodium | mg/L | 0 | - | - | - | - | - | - |
Zinc | mg/L | 23 | 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