Mifflin
Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Mifflin County
12/4/2007 - 6/18/2018, 133 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 | 200.5 | 48 | 38.1 | 0 |
| E. Coli |
MPN/100 mL |
126 | 0.0 | 0.0 | 200.5 | 11 | 8.7 | 0 |
| pH | - |
62 | 7.6 | 6.5 | 8.5 | 0 | 0.0 | 6.5-8.5 |
| Total Dissolved Solids |
mg/L | 64 | 211.0 | 20.0 | 937.0 | 8 | 12.5 | 500 |
| Corrosivity Index* |
- |
30 | -0.0 | -3.3 | 0.7 | 20 | 66.7 | - |
| Hardness | mg/L | 34 | 97.4 | 0.8 | 524.7 | - | - | - |
| Nitrate+Nitrite N |
mg/L | 43 | 0.5 | 0.2 | 11.5 | 2 | 4.7 | 10 |
| Chloride | mg/L | 3 | 209.9 | 5.0 | 224.9 | 0 | 0.0 | 250 |
| Sulfate | mg/L | 6 | 23.9 | 9.1 | 50.6 | 0 | 0.0 | 250 |
| Aluminum | mg/L | 0 | - | - | - | - | - | 0.05-0.2 |
| Arsenic | mg/L | 8 | 0.00 | 0.003 | 0.003 | 0 | 0.0 | 0.01 |
| Barium | mg/L | 6 | 0.02 | 0.00 | 0.14 | 0 | 0.0 | 2 |
| Cadmium | mg/L | 5 | 0.00 | 0.001 | 0.001 | 0 | 0.0 | 0.005 |
| Calcium | mg/L | 28 | 28.12 | 0.25 | 128.16 | - | - | - |
| Chromium | mg/L | 5 | 0.0 | 0.003 | 0.005 | 0 | 0.0 | 0.1 |
| Copper | mg/L | 30 | 0.01 | 0.01 | 0.46 | 0 | 0.0 | 1.0,1.3 |
| Iron | mg/L | 33 | 0.1 | 0.0 | 10.2 | 11 | 33.3 | 0.3 |
| Lead-1st draw |
mg/L | 10 | 0.00 | 0.003 | 0.036 | 1 | 10.0 | 0.015 |
| Lead-Running | mg/L | 15 | 0.003 | 0.003 | 0.055 | 1 | 6.7 | 0.015 |
| Magnesium | mg/L | 21 | 9.14 | 0.05 | 48.34 | - | - | - |
| Manganese | mg/L | 29 | 0.05 | 0.01 | 37.00 | 13 | 44.8 | 0.05 |
| Mercury | mg/L | 13 | 0.05 | 0.001 | 17.268 | 9 | 69.2 | 0.002 |
| Nickel | mg/L | 4 | 0.01 | 0.005 | 0.005 | - | - | - |
| Sodium | mg/L | 9 | 0.02 | 0.01 | 0.80 | - | - | - |
| Zinc | mg/L | 14 | 0.00 | 0.00 | 0.01 | 0 | 0.0 | 5 |
*For corrosivity index, failure criteria based on less than -0.5 or greater than 0.5