Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Bradford County
9/7/2007 - 6/17/2025, 246 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 |
235 | 0.0 | 0.0 | 461.1 | 112 | 47.7 | 0 |
| E. Coli |
MPN/100 mL |
235 | 0.0 | 0.0 | 200.5 | 26 | 11.1 | 0 |
| pH | - |
203 | 7.7 | 6.0 | 9.0 | 18 | 8.9 | 6.5-8.5 |
| Total Dissolved Solids |
mg/L | 165 | 222.0 | 36.0 | 3441.0 | 9 | 5.5 | 500 |
| Corrosivity Index* |
- |
49 | 0.1 | -2.7 | 0.8 | 24 | 49.0 | - |
| Hardness | mg/L | 54 | 124.1 | 0.8 | 371.3 | - | - | - |
| Nitrate+Nitrite N |
mg/L | 86 | 0.2 | 0.2 | 6.0 | 0 | 0.0 | 10 |
| Chloride | mg/L | 83 | 4.4 | 1.0 | 2050.6 | 1 | 1.2 | 250 |
| Sulfate | mg/L | 19 | 12.0 | 1.6 | 33.5 | 0 | 0.0 | 250 |
| Aluminum | mg/L | 11 | 0.0 | 0.0 | 0.3 | 1 | 9.1 | 0.05-0.2 |
| Arsenic | mg/L | 69 | 0.00 | 0.001 | 0.141 | 6 | 8.7 | 0.01 |
| Barium | mg/L | 90 | 0.10 | 0.00 | 13.12 | 3 | 3.3 | 2 |
| Cadmium | mg/L | 13 | 0.00 | 0.001 | 0.002 | 0 | 0.0 | 0.005 |
| Calcium | mg/L | 50 | 37.69 | 0.25 | 116.41 | - | - | - |
| Chromium | mg/L | 13 | 0.0 | 0.001 | 0.005 | 0 | 0.0 | 0.1 |
| Copper | mg/L | 66 | 0.01 | 0.01 | 0.43 | 0 | 0.0 | 1.0,1.3 |
| Iron | mg/L | 60 | 0.1 | 0.1 | 4.2 | 9 | 15.0 | 0.3 |
| Lead-1st draw |
mg/L | 67 | 0.00 | 0.003 | 0.105 | 6 | 9.0 | 0.015 |
| Lead-Running | mg/L | 49 | 0.003 | 0.003 | 0.038 | 3 | 6.1 | 0.015 |
| Magnesium | mg/L | 50 | 6.72 | 0.05 | 26.71 | - | - | - |
| Manganese | mg/L | 93 | 0.01 | 0.01 | 2.41 | 27 | 29.0 | 0.05 |
| Mercury | mg/L | 15 | 0.00 | 0.000 | 0.001 | 0 | 0.0 | 0.002 |
| Nickel | mg/L | 13 | 0.01 | 0.005 | 0.007 | - | - | - |
| Sodium | mg/L | 10 | 8.43 | 3.25 | 52.11 | - | - | - |
| Zinc | mg/L | 13 | 0.01 | 0.005 | 0.03 | 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