Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Juniata County
2/2/2009 - 6/27/2025, 548 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 |
518 | 0.0 | 0.0 | 230.4 | 242 | 46.7 | 0 |
| E. Coli |
MPN/100 mL |
518 | 0.0 | 0.0 | 200.5 | 49 | 9.5 | 0 |
| pH | - |
265 | 7.5 | 5.2 | 9.9 | 21 | 7.9 | 6.5-8.5 |
| Total Dissolved Solids |
mg/L | 264 | 261.0 | 20.0 | 1913.0 | 26 | 9.8 | 500 |
| Corrosivity Index* |
- |
63 | -0.1 | -6.8 | 1.3 | 35 | 55.6 | - |
| Hardness | mg/L | 86 | 114.7 | 0.8 | 1439.3 | - | - | - |
| Nitrate+Nitrite N |
mg/L | 195 | 2.4 | 0.2 | 17.3 | 9 | 4.6 | 10 |
| Chloride | mg/L | 14 | 7.6 | 1.0 | 87.0 | 0 | 0.0 | 250 |
| Sulfate | mg/L | 15 | 25.9 | 1.0 | 1219.6 | 5 | 33.3 | 250 |
| Aluminum | mg/L | 2 | 0.0 | 0.0 | 0.1 | 1 | 50.0 | 0.05-0.2 |
| Arsenic | mg/L | 30 | 0.00 | 0.003 | 0.018 | 6 | 20.0 | 0.01 |
| Barium | mg/L | 14 | 0.03 | 0.00 | 0.10 | 0 | 0.0 | 2 |
| Cadmium | mg/L | 6 | 0.00 | 0.001 | 0.001 | 0 | 0.0 | 0.005 |
| Calcium | mg/L | 63 | 23.79 | 0.25 | 142.97 | - | - | - |
| Chromium | mg/L | 6 | 0.0 | 0.005 | 0.005 | 0 | 0.0 | 0.1 |
| Copper | mg/L | 73 | 0.01 | 0.01 | 4.88 | 1 | 1.4 | 1.0,1.3 |
| Iron | mg/L | 77 | 0.1 | 0.1 | 3.9 | 11 | 14.3 | 0.3 |
| Lead-1st draw |
mg/L | 33 | 0.00 | 0.003 | 0.130 | 3 | 9.1 | 0.015 |
| Lead-Running | mg/L | 83 | 0.003 | 0.003 | 0.169 | 2 | 2.4 | 0.015 |
| Magnesium | mg/L | 63 | 7.00 | 0.05 | 52.25 | - | - | - |
| Manganese | mg/L | 75 | 0.01 | 0.01 | 1.07 | 18 | 24.0 | 0.05 |
| Mercury | mg/L | 4 | 0.00 | 0.001 | 0.001 | 0 | 0.0 | 0.002 |
| Nickel | mg/L | 6 | 0.01 | 0.005 | 0.016 | - | - | - |
| Sodium | mg/L | 5 | 13.31 | 2.60 | 47.10 | - | - | - |
| Zinc | mg/L | 6 | 0.01 | 0.005 | 0.90 | 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