Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Bucks County
8/31/2007 - 6/30/2023, 491 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 |
446 | 0.0 | 0.0 | 200.5 | 141 | 31.6 | 0 |
E. Coli |
MPN/100 mL |
446 | 0.0 | 0.0 | 200.5 | 19 | 4.3 | 0 |
pH | - |
418 | 7.6 | 5.5 | 10.3 | 37 | 8.9 | 6.5-8.5 |
Total Dissolved Solids |
mg/L | 415 | 271.0 | 20.0 | 1886.0 | 29 | 7.0 | 500 |
Corrosivity Index* |
- |
222 | -0.5 | -4.3 | 2.2 | 149 | 67.1 | - |
Hardness | mg/L | 236 | 156.4 | 0.8 | 736.9 | - | - | - |
Nitrate+Nitrite N |
mg/L | 139 | 2.1 | 0.2 | 13.1 | 2 | 1.4 | 10 |
Chloride | mg/L | 23 | 39.1 | 2.0 | 151.0 | 0 | 0.0 | 250 |
Sulfate | mg/L | 26 | 20.5 | 8.7 | 55.8 | 0 | 0.0 | 250 |
Aluminum | mg/L | 21 | 0.0 | 0.0 | 0.1 | 2 | 9.5 | 0.05-0.2 |
Arsenic | mg/L | 186 | 0.00 | 0.001 | 0.023 | 20 | 10.8 | 0.01 |
Barium | mg/L | 103 | 0.11 | 0.00 | 1.11 | 0 | 0.0 | 2 |
Cadmium | mg/L | 85 | 0.00 | 0.001 | 0.004 | 0 | 0.0 | 0.005 |
Calcium | mg/L | 216 | 37.29 | 0.25 | 215.45 | - | - | - |
Chromium | mg/L | 85 | 0.0 | 0.001 | 0.005 | 0 | 0.0 | 0.1 |
Copper | mg/L | 303 | 0.02 | 0.01 | 1.50 | 1 | 0.3 | 1.0,1.3 |
Iron | mg/L | 236 | 0.1 | 0.1 | 4.2 | 21 | 8.9 | 0.3 |
Lead-1st draw |
mg/L | 172 | 0.00 | 0.003 | 0.152 | 19 | 11.0 | 0.015 |
Lead-Running | mg/L | 228 | 0.003 | 0.003 | 0.043 | 3 | 1.3 | 0.015 |
Magnesium | mg/L | 216 | 13.50 | 0.05 | 72.80 | - | - | - |
Manganese | mg/L | 234 | 0.01 | 0.01 | 1.00 | 29 | 12.4 | 0.05 |
Mercury | mg/L | 90 | 0.00 | 0.000 | 0.001 | 0 | 0.0 | 0.002 |
Nickel | mg/L | 85 | 0.01 | 0.005 | 0.024 | - | - | - |
Sodium | mg/L | 10 | 18.65 | 1.51 | 140.61 | - | - | - |
Zinc | mg/L | 85 | 0.01 | 0.005 | 0.45 | 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 - 4:00 PM
- Email aaslab@psu.edu
- Office 814-863-0841
- Fax 814-863-4540
Ag Analytical Services Lab
Hours: Monday-Friday, 8:00 AM - 4:00 PM
- Email aaslab@psu.edu
- Office 814-863-0841
- Fax 814-863-4540