Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Lebanon County
8/9/2007 - 5/22/2025, 150 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 |
143 | 0.0 | 0.0 | 200.5 | 52 | 36.4 | 0 |
| E. Coli |
MPN/100 mL |
143 | 0.0 | 0.0 | 28.8 | 12 | 8.4 | 0 |
| pH | - |
118 | 7.4 | 4.7 | 8.8 | 21 | 17.8 | 6.5-8.5 |
| Total Dissolved Solids |
mg/L | 118 | 203.5 | 10.0 | 906.0 | 7 | 5.9 | 500 |
| Corrosivity Index* |
- |
45 | -1.1 | -3.4 | 0.4 | 28 | 62.2 | - |
| Hardness | mg/L | 48 | 56.0 | 0.8 | 546.1 | - | - | - |
| Nitrate+Nitrite N |
mg/L | 48 | 3.6 | 0.2 | 18.2 | 4 | 8.3 | 10 |
| Chloride | mg/L | 7 | 8.2 | 5.8 | 46.2 | 0 | 0.0 | 250 |
| Sulfate | mg/L | 5 | 12.8 | 2.0 | 62.8 | 0 | 0.0 | 250 |
| Aluminum | mg/L | 4 | 0.0 | 0.0 | 0.1 | 0 | 0.0 | 0.05-0.2 |
| Arsenic | mg/L | 38 | 0.00 | 0.001 | 0.005 | 0 | 0.0 | 0.01 |
| Barium | mg/L | 21 | 0.05 | 0.00 | 0.75 | 0 | 0.0 | 2 |
| Cadmium | mg/L | 16 | 0.00 | 0.001 | 0.004 | 0 | 0.0 | 0.005 |
| Calcium | mg/L | 44 | 15.91 | 0.25 | 195.61 | - | - | - |
| Chromium | mg/L | 16 | 0.0 | 0.005 | 0.005 | 0 | 0.0 | 0.1 |
| Copper | mg/L | 62 | 0.02 | 0.01 | 1.40 | 1 | 1.6 | 1.0,1.3 |
| Iron | mg/L | 47 | 0.1 | 0.1 | 5.1 | 5 | 10.6 | 0.3 |
| Lead-1st draw |
mg/L | 33 | 0.00 | 0.003 | 0.078 | 4 | 12.1 | 0.015 |
| Lead-Running | mg/L | 37 | 0.003 | 0.003 | 0.015 | 1 | 2.7 | 0.015 |
| Magnesium | mg/L | 44 | 4.58 | 0.05 | 20.48 | - | - | - |
| Manganese | mg/L | 48 | 0.01 | 0.01 | 4.83 | 9 | 18.8 | 0.05 |
| Mercury | mg/L | 12 | 0.00 | 0.000 | 0.001 | 0 | 0.0 | 0.002 |
| Nickel | mg/L | 16 | 0.01 | 0.005 | 0.097 | - | - | - |
| Sodium | mg/L | 10 | 67.45 | 3.89 | 161.28 | - | - | - |
| Zinc | mg/L | 16 | 0.01 | 0.005 | 1.03 | 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