Clarion
Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Clarion County
8/29/2007 - 3/2/2018, 24 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 |
22 | 15.0 | 0.0 | 200.5 | 14 | 63.6 | 0 |
| E. Coli |
MPN/100 mL |
22 | 0.0 | 0.0 | 27.1 | 7 | 31.8 | 0 |
| pH | - |
22 | 6.4 | 5.1 | 11.1 | 12 | 54.5 | 6.5-8.5 |
| Total Dissolved Solids |
mg/L | 22 | 92.0 | 26.0 | 621.0 | 1 | 4.5 | 500 |
| Corrosivity Index* |
- |
11 | -2.1 | -5.7 | 3.1 | 11 | 100.0 | - |
| Hardness | mg/L | 11 | 48.6 | 0.8 | 418.5 | - | - | - |
| Nitrate+Nitrite N |
mg/L | 10 | 1.6 | 0.2 | 9.6 | 0 | 0.0 | 10 |
| Chloride | mg/L | 3 | 2.0 | 2.0 | 115.9 | 0 | 0.0 | 250 |
| Sulfate | mg/L | 2 | 129.5 | 10.0 | 249.0 | 0 | 0.0 | 250 |
| Aluminum | mg/L | 2 | 0.1 | 0.0 | 0.2 | 1 | 50.0 | 0.05-0.2 |
| Arsenic | mg/L | 10 | 0.00 | 0.001 | 0.003 | 0 | 0.0 | 0.01 |
| Barium | mg/L | 11 | 0.08 | 0.00 | 0.44 | 0 | 0.0 | 2 |
| Cadmium | mg/L | 3 | 0.00 | 0.001 | 0.002 | 0 | 0.0 | 0.005 |
| Calcium | mg/L | 11 | 11.27 | 0.25 | 109.88 | - | - | - |
| Chromium | mg/L | 3 | 0.0 | 0.001 | 0.005 | 0 | 0.0 | 0.1 |
| Copper | mg/L | 12 | 0.01 | 0.01 | 8.66 | 1 | 8.3 | 1.0,1.3 |
| Iron | mg/L | 8 | 0.0 | 0.0 | 0.2 | 0 | 0.0 | 0.3 |
| Lead-1st draw |
mg/L | 3 | 0.00 | 0.003 | 0.077 | 1 | 33.3 | 0.015 |
| Lead-Running | mg/L | 10 | 0.005 | 0.003 | 0.186 | 2 | 20.0 | 0.015 |
| Magnesium | mg/L | 5 | 0.10 | 0.05 | 4.74 | - | - | - |
| Manganese | mg/L | 9 | 2.96 | 0.01 | 35.00 | 6 | 66.7 | 0.05 |
| Mercury | mg/L | 6 | 1.88 | 0.000 | 52.267 | 3 | 50.0 | 0.002 |
| Nickel | mg/L | 3 | 0.01 | 0.005 | 0.011 | - | - | - |
| Sodium | mg/L | 3 | 2.86 | 0.31 | 4.70 | - | - | - |
| Zinc | mg/L | 7 | 0.01 | 0.00 | 0.10 | 0 | 0.0 | 5 |
*For corrosivity index, failure criteria based on less than -0.5 or greater than 0.5