Montour
Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Montour County
10/4/2007 - 6/29/2018, 81 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 |
78 | 0.0 | 0.0 | 200.5 | 31 | 39.7 | 0 |
| E. Coli |
MPN/100 mL |
78 | 0.0 | 0.0 | 8.7 | 3 | 3.8 | 0 |
| pH | - |
71 | 7.7 | 6.3 | 9.4 | 8 | 11.3 | 6.5-8.5 |
| Total Dissolved Solids |
mg/L | 71 | 200.0 | 51.0 | 1662.0 | 5 | 7.0 | 500 |
| Corrosivity Index* |
- |
58 | -1.0 | -3.6 | 0.9 | 42 | 72.4 | - |
| Hardness | mg/L | 59 | 58.7 | 0.8 | 1131.0 | - | - | - |
| Nitrate+Nitrite N |
mg/L | 53 | 0.5 | 0.2 | 12.3 | 1 | 1.9 | 10 |
| Chloride | mg/L | 0 | - | - | - | - | - | 250 |
| Sulfate | mg/L | 4 | 657.5 | 30.8 | 947.3 | 3 | 75.0 | 250 |
| Aluminum | mg/L | 0 | - | - | - | - | - | 0.05-0.2 |
| Arsenic | mg/L | 50 | 0.00 | 0.003 | 0.004 | 0 | 0.0 | 0.01 |
| Barium | mg/L | 50 | 0.02 | 0.00 | 0.29 | 0 | 0.0 | 2 |
| Cadmium | mg/L | 1 | 0.00 | 0.001 | 0.001 | 0 | 0.0 | 0.005 |
| Calcium | mg/L | 58 | 13.00 | 0.25 | 294.13 | - | - | - |
| Chromium | mg/L | 1 | 0.0 | 0.005 | 0.005 | 0 | 0.0 | 0.1 |
| Copper | mg/L | 57 | 0.07 | 0.01 | 4.20 | 3 | 5.3 | 1.0,1.3 |
| Iron | mg/L | 58 | 0.0 | 0.0 | 1.5 | 3 | 5.2 | 0.3 |
| Lead-1st draw |
mg/L | 3 | 0.01 | 0.003 | 0.006 | 0 | 0.0 | 0.015 |
| Lead-Running | mg/L | 53 | 0.003 | 0.003 | 0.083 | 3 | 5.7 | 0.015 |
| Magnesium | mg/L | 6 | 6.31 | 0.18 | 11.77 | - | - | - |
| Manganese | mg/L | 58 | 3.13 | 0.01 | 96.30 | 40 | 69.0 | 0.05 |
| Mercury | mg/L | 5 | 0.06 | 0.001 | 0.480 | 4 | 80.0 | 0.002 |
| Nickel | mg/L | 1 | 0.01 | 0.005 | 0.005 | - | - | - |
| Sodium | mg/L | 4 | 0.11 | 0.01 | 0.15 | - | - | - |
| Zinc | mg/L | 53 | 0.00 | 0.00 | 0.03 | 0 | 0.0 | 5 |
*For corrosivity index, failure criteria based on less than -0.5 or greater than 0.5