Tioga
Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Tioga County
3/17/2008 - 6/26/2018, 77 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 |
71 | 1.0 | 0.0 | 200.5 | 37 | 52.1 | 0 |
| E. Coli |
MPN/100 mL |
71 | 0.0 | 0.0 | 83.1 | 11 | 15.5 | 0 |
| pH | - |
70 | 7.8 | 6.2 | 9.1 | 7 | 10.0 | 6.5-8.5 |
| Total Dissolved Solids |
mg/L | 69 | 184.0 | 20.0 | 659.0 | 3 | 4.3 | 500 |
| Corrosivity Index* |
- |
23 | 0.1 | -2.4 | 0.9 | 11 | 47.8 | - |
| Hardness | mg/L | 30 | 93.8 | 0.8 | 229.3 | - | - | - |
| Nitrate+Nitrite N |
mg/L | 19 | 0.5 | 0.2 | 4.4 | 0 | 0.0 | 10 |
| Chloride | mg/L | 29 | 7.9 | 1.0 | 83.3 | 0 | 0.0 | 250 |
| Sulfate | mg/L | 5 | 16.8 | 3.0 | 37.9 | 0 | 0.0 | 250 |
| Aluminum | mg/L | 4 | 0.1 | 0.0 | 0.1 | 2 | 50.0 | 0.05-0.2 |
| Arsenic | mg/L | 22 | 0.00 | 0.001 | 0.085 | 3 | 13.6 | 0.01 |
| Barium | mg/L | 36 | 0.11 | 0.00 | 2.12 | 1 | 2.8 | 2 |
| Cadmium | mg/L | 8 | 0.00 | 0.001 | 0.004 | 0 | 0.0 | 0.005 |
| Calcium | mg/L | 28 | 29.53 | 0.25 | 68.42 | - | - | - |
| Chromium | mg/L | 8 | 0.0 | 0.001 | 0.005 | 0 | 0.0 | 0.1 |
| Copper | mg/L | 27 | 0.01 | 0.01 | 0.21 | 0 | 0.0 | 1.0,1.3 |
| Iron | mg/L | 36 | 0.2 | 0.0 | 18.0 | 6 | 16.7 | 0.3 |
| Lead-1st draw |
mg/L | 6 | 0.00 | 0.003 | 0.006 | 0 | 0.0 | 0.015 |
| Lead-Running | mg/L | 18 | 0.003 | 0.003 | 0.006 | 0 | 0.0 | 0.015 |
| Magnesium | mg/L | 22 | 6.29 | 0.10 | 23.75 | - | - | - |
| Manganese | mg/L | 34 | 0.03 | 0.01 | 14.71 | 16 | 47.1 | 0.05 |
| Mercury | mg/L | 9 | 0.00 | 0.001 | 3.187 | 4 | 44.4 | 0.002 |
| Nickel | mg/L | 6 | 0.01 | 0.003 | 0.005 | - | - | - |
| Sodium | mg/L | 9 | 1.78 | 0.01 | 66.19 | - | - | - |
| Zinc | mg/L | 10 | 0.01 | 0.00 | 0.05 | 0 | 0.0 | 5 |
*For corrosivity index, failure criteria based on less than -0.5 or greater than 0.5