Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Susquehanna County
1/25/2008 - 4/30/2025, 375 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 |
351 | 0.0 | 0.0 | 200.5 | 139 | 39.6 | 0 |
| E. Coli |
MPN/100 mL |
351 | 0.0 | 0.0 | 200.5 | 29 | 8.3 | 0 |
| pH | - |
271 | 7.5 | 5.9 | 9.5 | 22 | 8.1 | 6.5-8.5 |
| Total Dissolved Solids |
mg/L | 269 | 140.0 | 20.0 | 487.0 | 0 | 0.0 | 500 |
| Corrosivity Index* |
- |
84 | -0.3 | -6.8 | 0.9 | 41 | 48.8 | - |
| Hardness | mg/L | 123 | 94.9 | 0.8 | 277.1 | - | - | - |
| Nitrate+Nitrite N |
mg/L | 129 | 0.5 | 0.2 | 5.3 | 0 | 0.0 | 10 |
| Chloride | mg/L | 136 | 3.3 | 1.0 | 127.0 | 0 | 0.0 | 250 |
| Sulfate | mg/L | 36 | 9.7 | 1.8 | 187.0 | 0 | 0.0 | 250 |
| Aluminum | mg/L | 9 | 0.0 | 0.0 | 0.1 | 1 | 11.1 | 0.05-0.2 |
| Arsenic | mg/L | 140 | 0.00 | 0.001 | 0.015 | 2 | 1.4 | 0.01 |
| Barium | mg/L | 165 | 0.09 | 0.00 | 2.67 | 1 | 0.6 | 2 |
| Cadmium | mg/L | 27 | 0.00 | 0.001 | 0.002 | 0 | 0.0 | 0.005 |
| Calcium | mg/L | 117 | 27.06 | 0.25 | 69.19 | - | - | - |
| Chromium | mg/L | 27 | 0.0 | 0.005 | 0.005 | 0 | 0.0 | 0.1 |
| Copper | mg/L | 116 | 0.01 | 0.01 | 1.96 | 2 | 1.7 | 1.0,1.3 |
| Iron | mg/L | 130 | 0.2 | 0.1 | 17.7 | 19 | 14.6 | 0.3 |
| Lead-1st draw |
mg/L | 93 | 0.00 | 0.003 | 0.092 | 2 | 2.2 | 0.015 |
| Lead-Running | mg/L | 101 | 0.003 | 0.003 | 0.221 | 7 | 6.9 | 0.015 |
| Magnesium | mg/L | 117 | 5.42 | 0.05 | 25.60 | - | - | - |
| Manganese | mg/L | 128 | 0.01 | 0.01 | 1.68 | 32 | 25.0 | 0.05 |
| Mercury | mg/L | 24 | 0.00 | 0.000 | 0.001 | 0 | 0.0 | 0.002 |
| Nickel | mg/L | 27 | 0.01 | 0.005 | 0.007 | - | - | - |
| Sodium | mg/L | 51 | 7.73 | 0.25 | 140.71 | - | - | - |
| Zinc | mg/L | 27 | 0.01 | 0.005 | 1.37 | 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