Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Monroe County
10/29/2007 - 6/18/2025, 286 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 |
281 | 0.0 | 0.0 | 200.5 | 94 | 33.5 | 0 |
| E. Coli |
MPN/100 mL |
281 | 0.0 | 0.0 | 200.5 | 11 | 3.9 | 0 |
| pH | - |
239 | 6.9 | 4.8 | 9.3 | 81 | 33.9 | 6.5-8.5 |
| Total Dissolved Solids |
mg/L | 197 | 131.0 | 20.0 | 1128.0 | 5 | 2.5 | 500 |
| Corrosivity Index* |
- |
94 | -1.3 | -4.5 | 0.8 | 64 | 68.1 | - |
| Hardness | mg/L | 95 | 67.5 | 0.8 | 831.7 | - | - | - |
| Nitrate+Nitrite N |
mg/L | 107 | 0.7 | 0.2 | 3.4 | 0 | 0.0 | 10 |
| Chloride | mg/L | 13 | 28.2 | 1.6 | 139.5 | 0 | 0.0 | 250 |
| Sulfate | mg/L | 17 | 12.7 | 1.5 | 84.0 | 0 | 0.0 | 250 |
| Aluminum | mg/L | 4 | 0.0 | 0.0 | 0.0 | 0 | 0.0 | 0.05-0.2 |
| Arsenic | mg/L | 97 | 0.00 | 0.001 | 0.010 | 1 | 1.0 | 0.01 |
| Barium | mg/L | 34 | 0.02 | 0.00 | 0.20 | 0 | 0.0 | 2 |
| Cadmium | mg/L | 14 | 0.00 | 0.001 | 0.001 | 0 | 0.0 | 0.005 |
| Calcium | mg/L | 91 | 15.79 | 0.25 | 292.93 | - | - | - |
| Chromium | mg/L | 14 | 0.0 | 0.005 | 0.005 | 0 | 0.0 | 0.1 |
| Copper | mg/L | 107 | 0.02 | 0.01 | 2.13 | 2 | 1.9 | 1.0,1.3 |
| Iron | mg/L | 88 | 0.1 | 0.1 | 6.6 | 12 | 13.6 | 0.3 |
| Lead-1st draw |
mg/L | 114 | 0.00 | 0.003 | 0.076 | 11 | 9.6 | 0.015 |
| Lead-Running | mg/L | 73 | 0.003 | 0.003 | 0.035 | 2 | 2.7 | 0.015 |
| Magnesium | mg/L | 91 | 4.71 | 0.05 | 36.49 | - | - | - |
| Manganese | mg/L | 130 | 0.01 | 0.01 | 4.51 | 22 | 16.9 | 0.05 |
| Mercury | mg/L | 17 | 0.00 | 0.001 | 0.001 | 0 | 0.0 | 0.002 |
| Nickel | mg/L | 14 | 0.01 | 0.005 | 0.008 | - | - | - |
| Sodium | mg/L | 16 | 6.35 | 2.53 | 77.98 | - | - | - |
| Zinc | mg/L | 14 | 0.01 | 0.005 | 0.11 | 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