Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Potter County
9/7/2007 - 7/5/2022, 358 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 |
347 | 1.0 | 0.0 | 200.5 | 187 | 53.9 | 0 |
E. Coli |
MPN/100 mL |
347 | 0.0 | 0.0 | 200.5 | 55 | 15.9 | 0 |
pH | - |
257 | 7.2 | 5.2 | 9.7 | 46 | 17.9 | 6.5-8.5 |
Total Dissolved Solids |
mg/L | 254 | 84.5 | 20.0 | 2546.0 | 3 | 1.2 | 500 |
Corrosivity Index* |
- |
58 | -1.3 | -2.7 | 1.0 | 47 | 81.0 | - |
Hardness | mg/L | 55 | 58.5 | 1.7 | 290.8 | - | - | - |
Nitrate+Nitrite N |
mg/L | 102 | 0.8 | 0.2 | 12.6 | 2 | 2.0 | 10 |
Chloride | mg/L | 59 | 7.4 | 1.0 | 51.7 | 0 | 0.0 | 250 |
Sulfate | mg/L | 6 | 9.6 | 3.0 | 30.6 | 0 | 0.0 | 250 |
Aluminum | mg/L | 3 | 0.0 | 0.0 | 0.0 | 0 | 0.0 | 0.05-0.2 |
Arsenic | mg/L | 50 | 0.00 | 0.001 | 0.019 | 2 | 4.0 | 0.01 |
Barium | mg/L | 68 | 0.05 | 0.00 | 1.73 | 0 | 0.0 | 2 |
Cadmium | mg/L | 9 | 0.00 | 0.001 | 0.001 | 0 | 0.0 | 0.005 |
Calcium | mg/L | 50 | 13.37 | 0.50 | 86.69 | - | - | - |
Chromium | mg/L | 9 | 0.0 | 0.001 | 0.005 | 0 | 0.0 | 0.1 |
Copper | mg/L | 59 | 0.02 | 0.01 | 0.55 | 0 | 0.0 | 1.0,1.3 |
Iron | mg/L | 59 | 0.1 | 0.1 | 3.9 | 9 | 15.3 | 0.3 |
Lead-1st draw |
mg/L | 49 | 0.00 | 0.003 | 0.050 | 1 | 2.0 | 0.015 |
Lead-Running | mg/L | 34 | 0.003 | 0.003 | 0.026 | 2 | 5.9 | 0.015 |
Magnesium | mg/L | 50 | 4.25 | 0.10 | 18.05 | - | - | - |
Manganese | mg/L | 58 | 0.01 | 0.01 | 2.08 | 10 | 17.2 | 0.05 |
Mercury | mg/L | 10 | 0.00 | 0.001 | 0.002 | 0 | 0.0 | 0.002 |
Nickel | mg/L | 9 | 0.01 | 0.005 | 0.010 | - | - | - |
Sodium | mg/L | 0 | - | - | - | - | - | - |
Zinc | mg/L | 9 | 0.01 | 0.01 | 0.03 | 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 - 4:30 PM
- Email aaslab@psu.edu
- Office 814-863-0841
- Fax 814-863-4540
Ag Analytical Services Lab
Hours: Monday-Friday, 8:00 AM - 4:30 PM
- Email aaslab@psu.edu
- Office 814-863-0841
- Fax 814-863-4540