Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Sullivan County
7/31/2007 - 6/4/2025, 135 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 |
124 | 0.0 | 0.0 | 200.5 | 47 | 37.9 | 0 |
| E. Coli |
MPN/100 mL |
124 | 0.0 | 0.0 | 200.5 | 7 | 5.6 | 0 |
| pH | - |
109 | 7.1 | 5.3 | 8.7 | 23 | 21.1 | 6.5-8.5 |
| Total Dissolved Solids |
mg/L | 105 | 107.0 | 20.0 | 1197.0 | 2 | 1.9 | 500 |
| Corrosivity Index* |
- |
31 | -1.7 | -5.2 | 0.9 | 25 | 80.6 | - |
| Hardness | mg/L | 40 | 62.9 | 0.8 | 163.9 | - | - | - |
| Nitrate+Nitrite N |
mg/L | 22 | 0.4 | 0.2 | 3.7 | 0 | 0.0 | 10 |
| Chloride | mg/L | 49 | 3.8 | 1.0 | 600.0 | 1 | 2.0 | 250 |
| Sulfate | mg/L | 8 | 5.4 | 3.3 | 78.0 | 0 | 0.0 | 250 |
| Aluminum | mg/L | 6 | 0.0 | 0.0 | 0.1 | 1 | 16.7 | 0.05-0.2 |
| Arsenic | mg/L | 27 | 0.00 | 0.001 | 0.010 | 0 | 0.0 | 0.01 |
| Barium | mg/L | 60 | 0.08 | 0.00 | 1.31 | 0 | 0.0 | 2 |
| Cadmium | mg/L | 16 | 0.00 | 0.001 | 0.002 | 0 | 0.0 | 0.005 |
| Calcium | mg/L | 38 | 17.78 | 0.25 | 51.46 | - | - | - |
| Chromium | mg/L | 16 | 0.0 | 0.001 | 0.015 | 0 | 0.0 | 0.1 |
| Copper | mg/L | 50 | 0.02 | 0.01 | 3.04 | 1 | 2.0 | 1.0,1.3 |
| Iron | mg/L | 44 | 0.1 | 0.1 | 11.7 | 7 | 15.9 | 0.3 |
| Lead-1st draw |
mg/L | 17 | 0.01 | 0.003 | 0.105 | 4 | 23.5 | 0.015 |
| Lead-Running | mg/L | 48 | 0.003 | 0.003 | 0.062 | 3 | 6.3 | 0.015 |
| Magnesium | mg/L | 38 | 2.86 | 0.05 | 8.41 | - | - | - |
| Manganese | mg/L | 43 | 0.01 | 0.01 | 1.81 | 8 | 18.6 | 0.05 |
| Mercury | mg/L | 15 | 0.00 | 0.000 | 0.001 | 0 | 0.0 | 0.002 |
| Nickel | mg/L | 16 | 0.01 | 0.005 | 0.038 | - | - | - |
| Sodium | mg/L | 7 | 4.52 | 0.25 | 16.68 | - | - | - |
| Zinc | mg/L | 16 | 0.01 | 0.005 | 1.41 | 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