Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Warren County
3/21/2008 - 6/20/2023, 273 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 |
267 | 0.0 | 0.0 | 200.5 | 116 | 43.4 | 0 |
E. Coli |
MPN/100 mL |
267 | 0.0 | 0.0 | 200.5 | 41 | 15.4 | 0 |
pH | - |
234 | 7.7 | 4.8 | 10.1 | 25 | 10.7 | 6.5-8.5 |
Total Dissolved Solids |
mg/L | 233 | 177.0 | 25.0 | 674.0 | 5 | 2.1 | 500 |
Corrosivity Index* |
- |
82 | -0.2 | -5.3 | 1.6 | 43 | 52.4 | - |
Hardness | mg/L | 89 | 110.2 | 0.8 | 366.8 | - | - | - |
Nitrate+Nitrite N |
mg/L | 55 | 0.4 | 0.2 | 7.7 | 0 | 0.0 | 10 |
Chloride | mg/L | 51 | 6.0 | 1.4 | 94.0 | 0 | 0.0 | 250 |
Sulfate | mg/L | 29 | 13.7 | 1.0 | 131.4 | 0 | 0.0 | 250 |
Aluminum | mg/L | 21 | 0.0 | 0.0 | 0.3 | 5 | 23.8 | 0.05-0.2 |
Arsenic | mg/L | 53 | 0.00 | 0.001 | 0.022 | 3 | 5.7 | 0.01 |
Barium | mg/L | 80 | 0.07 | 0.00 | 0.72 | 0 | 0.0 | 2 |
Cadmium | mg/L | 33 | 0.00 | 0.001 | 0.004 | 0 | 0.0 | 0.005 |
Calcium | mg/L | 80 | 26.07 | 0.25 | 96.14 | - | - | - |
Chromium | mg/L | 33 | 0.0 | 0.001 | 0.005 | 0 | 0.0 | 0.1 |
Copper | mg/L | 113 | 0.01 | 0.01 | 0.61 | 0 | 0.0 | 1.0,1.3 |
Iron | mg/L | 92 | 0.2 | 0.1 | 40.9 | 27 | 29.3 | 0.3 |
Lead-1st draw |
mg/L | 41 | 0.00 | 0.001 | 0.100 | 3 | 7.3 | 0.015 |
Lead-Running | mg/L | 82 | 0.003 | 0.001 | 0.007 | 0 | 0.0 | 0.015 |
Magnesium | mg/L | 80 | 7.20 | 0.05 | 30.93 | - | - | - |
Manganese | mg/L | 96 | 0.02 | 0.01 | 2.47 | 40 | 41.7 | 0.05 |
Mercury | mg/L | 37 | 0.00 | 0.000 | 0.001 | 0 | 0.0 | 0.002 |
Nickel | mg/L | 33 | 0.01 | 0.005 | 0.020 | - | - | - |
Sodium | mg/L | 1 | 8.91 | 8.91 | 8.91 | - | - | - |
Zinc | mg/L | 33 | 0.01 | 0.005 | 0.10 | 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