Juniata
Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Juniata County
2/2/2009 - 6/11/2018, 131 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 |
126 | 0.0 | 0.0 | 230.4 | 59 | 46.8 | 0 |
| E. Coli |
MPN/100 mL |
126 | 0.0 | 0.0 | 101.3 | 11 | 8.7 | 0 |
| pH | - |
73 | 7.7 | 5.2 | 8.8 | 7 | 9.6 | 6.5-8.5 |
| Total Dissolved Solids |
mg/L | 72 | 220.0 | 28.0 | 1430.0 | 6 | 8.3 | 500 |
| Corrosivity Index* |
- |
10 | 0.6 | -4.3 | 0.9 | 7 | 70.0 | - |
| Hardness | mg/L | 13 | 178.4 | 1.7 | 443.8 | - | - | - |
| Nitrate+Nitrite N |
mg/L | 47 | 2.4 | 0.2 | 14.8 | 2 | 4.3 | 10 |
| Chloride | mg/L | 0 | - | - | - | - | - | 250 |
| Sulfate | mg/L | 1 | 574.6 | 574.6 | 574.6 | 1 | 100.0 | 250 |
| Aluminum | mg/L | 0 | - | - | - | - | - | 0.05-0.2 |
| Arsenic | mg/L | 8 | 0.00 | 0.003 | 0.016 | 1 | 12.5 | 0.01 |
| Barium | mg/L | 2 | 0.10 | 0.10 | 0.10 | 0 | 0.0 | 2 |
| Cadmium | mg/L | 2 | 0.00 | 0.001 | 0.001 | 0 | 0.0 | 0.005 |
| Calcium | mg/L | 10 | 54.37 | 0.50 | 99.31 | - | - | - |
| Chromium | mg/L | 2 | 0.0 | 0.005 | 0.005 | 0 | 0.0 | 0.1 |
| Copper | mg/L | 14 | 0.05 | 0.01 | 0.54 | 0 | 0.0 | 1.0,1.3 |
| Iron | mg/L | 14 | 0.1 | 0.0 | 0.5 | 1 | 7.1 | 0.3 |
| Lead-1st draw |
mg/L | 10 | 0.00 | 0.003 | 0.130 | 3 | 30.0 | 0.015 |
| Lead-Running | mg/L | 11 | 0.003 | 0.003 | 0.007 | 0 | 0.0 | 0.015 |
| Magnesium | mg/L | 7 | 5.63 | 0.10 | 36.51 | - | - | - |
| Manganese | mg/L | 10 | 0.13 | 0.01 | 47.56 | 6 | 60.0 | 0.05 |
| Mercury | mg/L | 4 | 0.20 | 0.088 | 0.337 | 4 | 100.0 | 0.002 |
| Nickel | mg/L | 0 | - | - | - | - | - | - |
| Sodium | mg/L | 4 | 0.01 | 0.01 | 0.05 | - | - | - |
| Zinc | mg/L | 10 | 0.00 | 0.00 | 0.00 | 0 | 0.0 | 5 |
*For corrosivity index, failure criteria based on less than -0.5 or greater than 0.5