Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Potter County
9/7/2007 - 6/30/2023, 406 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 |
394 | 1.0 | 0.0 | 200.5 | 206 | 52.3 | 0 |
E. Coli |
MPN/100 mL |
394 | 0.0 | 0.0 | 200.5 | 60 | 15.2 | 0 |
pH | - |
294 | 7.1 | 5.2 | 9.7 | 60 | 20.4 | 6.5-8.5 |
Total Dissolved Solids |
mg/L | 291 | 86.0 | 20.0 | 2546.0 | 6 | 2.1 | 500 |
Corrosivity Index* |
- |
73 | -1.2 | -4.1 | 1.0 | 59 | 80.8 | - |
Hardness | mg/L | 70 | 65.6 | 1.7 | 290.8 | - | - | - |
Nitrate+Nitrite N |
mg/L | 106 | 0.6 | 0.2 | 12.6 | 2 | 1.9 | 10 |
Chloride | mg/L | 66 | 8.1 | 1.0 | 156.9 | 0 | 0.0 | 250 |
Sulfate | mg/L | 11 | 10.0 | 1.0 | 30.6 | 0 | 0.0 | 250 |
Aluminum | mg/L | 7 | 0.0 | 0.0 | 0.0 | 0 | 0.0 | 0.05-0.2 |
Arsenic | mg/L | 61 | 0.00 | 0.001 | 0.035 | 4 | 6.6 | 0.01 |
Barium | mg/L | 76 | 0.05 | 0.00 | 1.73 | 0 | 0.0 | 2 |
Cadmium | mg/L | 10 | 0.00 | 0.001 | 0.001 | 0 | 0.0 | 0.005 |
Calcium | mg/L | 65 | 14.97 | 0.50 | 86.69 | - | - | - |
Chromium | mg/L | 10 | 0.0 | 0.001 | 0.005 | 0 | 0.0 | 0.1 |
Copper | mg/L | 75 | 0.01 | 0.01 | 0.55 | 0 | 0.0 | 1.0,1.3 |
Iron | mg/L | 74 | 0.1 | 0.1 | 7.7 | 11 | 14.9 | 0.3 |
Lead-1st draw |
mg/L | 62 | 0.00 | 0.003 | 0.050 | 1 | 1.6 | 0.015 |
Lead-Running | mg/L | 44 | 0.003 | 0.003 | 0.026 | 2 | 4.5 | 0.015 |
Magnesium | mg/L | 65 | 4.82 | 0.10 | 18.05 | - | - | - |
Manganese | mg/L | 73 | 0.01 | 0.01 | 2.08 | 13 | 17.8 | 0.05 |
Mercury | mg/L | 11 | 0.00 | 0.001 | 0.002 | 0 | 0.0 | 0.002 |
Nickel | mg/L | 10 | 0.01 | 0.005 | 0.010 | - | - | - |
Sodium | mg/L | 25 | 6.80 | 0.41 | 125.20 | - | - | - |
Zinc | mg/L | 10 | 0.01 | 0.005 | 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 - 4:00 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