Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Venango County
5/17/2010 - 5/27/2025, 177 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 |
173 | 1.0 | 0.0 | 387.3 | 92 | 53.2 | 0 |
| E. Coli |
MPN/100 mL |
173 | 0.0 | 0.0 | 200.5 | 25 | 14.5 | 0 |
| pH | - |
149 | 6.7 | 4.2 | 9.1 | 60 | 40.3 | 6.5-8.5 |
| Total Dissolved Solids |
mg/L | 146 | 142.0 | 20.0 | 9220.0 | 3 | 2.1 | 500 |
| Corrosivity Index* |
- |
99 | -2.2 | -5.6 | 0.6 | 87 | 87.9 | - |
| Hardness | mg/L | 104 | 31.3 | 0.8 | 725.8 | - | - | - |
| Nitrate+Nitrite N |
mg/L | 86 | 0.3 | 0.2 | 5.3 | 0 | 0.0 | 10 |
| Chloride | mg/L | 25 | 9.9 | 1.0 | 2361.2 | 1 | 4.0 | 250 |
| Sulfate | mg/L | 23 | 16.9 | 1.0 | 626.1 | 1 | 4.3 | 250 |
| Aluminum | mg/L | 8 | 0.0 | 0.0 | 0.0 | 0 | 0.0 | 0.05-0.2 |
| Arsenic | mg/L | 76 | 0.00 | 0.003 | 0.021 | 3 | 3.9 | 0.01 |
| Barium | mg/L | 74 | 0.03 | 0.00 | 1.13 | 0 | 0.0 | 2 |
| Cadmium | mg/L | 3 | 0.00 | 0.001 | 0.001 | 0 | 0.0 | 0.005 |
| Calcium | mg/L | 102 | 7.93 | 0.25 | 207.45 | - | - | - |
| Chromium | mg/L | 3 | 0.0 | 0.005 | 0.005 | 0 | 0.0 | 0.1 |
| Copper | mg/L | 109 | 0.02 | 0.01 | 1.25 | 0 | 0.0 | 1.0,1.3 |
| Iron | mg/L | 60 | 0.1 | 0.1 | 38.2 | 21 | 35.0 | 0.3 |
| Lead-1st draw |
mg/L | 80 | 0.00 | 0.003 | 0.180 | 18 | 22.5 | 0.015 |
| Lead-Running | mg/L | 80 | 0.003 | 0.003 | 0.028 | 3 | 3.8 | 0.015 |
| Magnesium | mg/L | 102 | 3.10 | 0.05 | 58.74 | - | - | - |
| Manganese | mg/L | 63 | 0.02 | 0.01 | 6.19 | 22 | 34.9 | 0.05 |
| Mercury | mg/L | 4 | 0.00 | 0.001 | 0.001 | 0 | 0.0 | 0.002 |
| Nickel | mg/L | 3 | 0.01 | 0.005 | 0.013 | - | - | - |
| Sodium | mg/L | 12 | 11.92 | 0.80 | 101.89 | - | - | - |
| Zinc | mg/L | 3 | 0.03 | 0.005 | 0.13 | 0 | 0.0 | 5 |
*For corrosivity index, failure criteria based on less than -0.5 or greater than 0.5
Ag Analytical Services Lab
Hours: Monday-Friday, 8:00 AM - 4:00 PM
- Email aaslab@psu.edu
- Office 814-863-0841
- Fax 814-863-4540
Ag Analytical Services Lab
Hours: Monday-Friday, 8:00 AM - 4:00 PM
- Email aaslab@psu.edu
- Office 814-863-0841
- Fax 814-863-4540