Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Juniata County
2/2/2009 - 6/27/2024, 475 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 |
446 | 0.0 | 0.0 | 230.4 | 211 | 47.3 | 0 |
E. Coli |
MPN/100 mL |
446 | 0.0 | 0.0 | 200.5 | 39 | 8.7 | 0 |
pH | - |
229 | 7.5 | 5.2 | 9.9 | 18 | 7.9 | 6.5-8.5 |
Total Dissolved Solids |
mg/L | 229 | 252.0 | 20.0 | 1913.0 | 23 | 10.0 | 500 |
Corrosivity Index* |
- |
55 | -0.1 | -6.8 | 1.3 | 32 | 58.2 | - |
Hardness | mg/L | 74 | 113.7 | 0.8 | 1439.3 | - | - | - |
Nitrate+Nitrite N |
mg/L | 172 | 2.5 | 0.2 | 17.3 | 9 | 5.2 | 10 |
Chloride | mg/L | 11 | 7.4 | 1.0 | 24.8 | 0 | 0.0 | 250 |
Sulfate | mg/L | 13 | 29.7 | 1.0 | 1219.6 | 5 | 38.5 | 250 |
Aluminum | mg/L | 1 | 0.1 | 0.1 | 0.1 | 1 | 100.0 | 0.05-0.2 |
Arsenic | mg/L | 27 | 0.00 | 0.003 | 0.018 | 6 | 22.2 | 0.01 |
Barium | mg/L | 12 | 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 | 55 | 23.34 | 0.25 | 142.97 | - | - | - |
Chromium | mg/L | 6 | 0.0 | 0.005 | 0.005 | 0 | 0.0 | 0.1 |
Copper | mg/L | 63 | 0.01 | 0.01 | 4.88 | 1 | 1.6 | 1.0,1.3 |
Iron | mg/L | 68 | 0.1 | 0.1 | 3.9 | 11 | 16.2 | 0.3 |
Lead-1st draw |
mg/L | 29 | 0.00 | 0.003 | 0.130 | 3 | 10.3 | 0.015 |
Lead-Running | mg/L | 74 | 0.003 | 0.003 | 0.169 | 2 | 2.7 | 0.015 |
Magnesium | mg/L | 55 | 5.63 | 0.05 | 52.25 | - | - | - |
Manganese | mg/L | 65 | 0.01 | 0.01 | 1.07 | 16 | 24.6 | 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 | 4 | 15.37 | 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