Clearfield
Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Clearfield County
5/19/2008 - 3/9/2018, 39 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 |
35 | 118.4 | 0.0 | 200.5 | 26 | 74.3 | 0 |
| E. Coli |
MPN/100 mL |
35 | 0.0 | 0.0 | 118.4 | 12 | 34.3 | 0 |
| pH | - |
33 | 6.9 | 4.6 | 8.9 | 12 | 36.4 | 6.5-8.5 |
| Total Dissolved Solids |
mg/L | 33 | 124.0 | 20.0 | 646.0 | 2 | 6.1 | 500 |
| Corrosivity Index* |
- |
8 | -0.9 | -3.8 | 0.3 | 4 | 50.0 | - |
| Hardness | mg/L | 8 | 34.4 | 0.8 | 100.8 | - | - | - |
| Nitrate+Nitrite N |
mg/L | 7 | 0.5 | 0.2 | 10.3 | 1 | 14.3 | 10 |
| Chloride | mg/L | 8 | 2.2 | 2.0 | 38.3 | 0 | 0.0 | 250 |
| Sulfate | mg/L | 8 | 38.3 | 11.5 | 268.8 | 1 | 12.5 | 250 |
| Aluminum | mg/L | 9 | 0.0 | 0.0 | 2.2 | 3 | 33.3 | 0.05-0.2 |
| Arsenic | mg/L | 5 | 0.00 | 0.003 | 0.003 | 0 | 0.0 | 0.01 |
| Barium | mg/L | 11 | 0.05 | 0.00 | 0.67 | 0 | 0.0 | 2 |
| Cadmium | mg/L | 2 | 0.00 | 0.001 | 0.001 | 0 | 0.0 | 0.005 |
| Calcium | mg/L | 8 | 7.78 | 0.25 | 33.90 | - | - | - |
| Chromium | mg/L | 2 | 0.0 | 0.001 | 0.005 | 0 | 0.0 | 0.1 |
| Copper | mg/L | 9 | 0.16 | 0.01 | 1.50 | 1 | 11.1 | 1.0,1.3 |
| Iron | mg/L | 10 | 0.1 | 0.0 | 0.4 | 1 | 10.0 | 0.3 |
| Lead-1st draw |
mg/L | 4 | 0.00 | 0.003 | 0.024 | 1 | 25.0 | 0.015 |
| Lead-Running | mg/L | 10 | 0.005 | 0.003 | 0.014 | 0 | 0.0 | 0.015 |
| Magnesium | mg/L | 4 | 3.75 | 0.05 | 6.10 | - | - | - |
| Manganese | mg/L | 13 | 0.19 | 0.01 | 2.93 | 8 | 61.5 | 0.05 |
| Mercury | mg/L | 7 | 0.10 | 0.001 | 5.558 | 4 | 57.1 | 0.002 |
| Nickel | mg/L | 2 | 0.02 | 0.006 | 0.028 | - | - | - |
| Sodium | mg/L | 6 | 0.01 | 0.01 | 0.25 | - | - | - |
| Zinc | mg/L | 4 | 0.02 | 0.00 | 0.13 | 0 | 0.0 | 5 |
*For corrosivity index, failure criteria based on less than -0.5 or greater than 0.5