Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Tioga County
3/17/2008 - 6/23/2020, 91 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 |
83 | 1.0 | 0.0 | 200.5 | 42 | 50.6 | 0 |
E. Coli |
MPN/100 mL |
83 | 0.0 | 0.0 | 83.1 | 11 | 13.3 | 0 |
pH | - |
82 | 7.8 | 6.2 | 9.1 | 7 | 8.5 | 6.5-8.5 |
Total Dissolved Solids |
mg/L | 81 | 184.0 | 20.0 | 1464.0 | 5 | 6.2 | 500 |
Corrosivity Index* |
- |
28 | 0.1 | -2.4 | 0.9 | 13 | 46.4 | - |
Hardness | mg/L | 36 | 93.8 | 0.8 | 229.3 | - | - | - |
Nitrate+Nitrite N |
mg/L | 24 | 0.5 | 0.2 | 8.2 | 0 | 0.0 | 10 |
Chloride | mg/L | 33 | 7.8 | 1.0 | 789.9 | 1 | 3.0 | 250 |
Sulfate | mg/L | 6 | 14.2 | 3.0 | 37.9 | 0 | 0.0 | 250 |
Aluminum | mg/L | 4 | 0.1 | 0.0 | 0.1 | 2 | 50.0 | 0.05-0.2 |
Arsenic | mg/L | 26 | 0.00 | 0.001 | 0.085 | 3 | 11.5 | 0.01 |
Barium | mg/L | 41 | 0.12 | 0.00 | 2.12 | 1 | 2.4 | 2 |
Cadmium | mg/L | 10 | 0.00 | 0.001 | 0.004 | 0 | 0.0 | 0.005 |
Calcium | mg/L | 33 | 28.68 | 0.25 | 68.42 | - | - | - |
Chromium | mg/L | 10 | 0.0 | 0.001 | 0.005 | 0 | 0.0 | 0.1 |
Copper | mg/L | 38 | 0.01 | 0.01 | 0.11 | 0 | 0.0 | 1.0,1.3 |
Iron | mg/L | 37 | 0.2 | 0.1 | 18.0 | 11 | 29.7 | 0.3 |
Lead-1st draw |
mg/L | 9 | 0.00 | 0.003 | 0.006 | 0 | 0.0 | 0.015 |
Lead-Running | mg/L | 22 | 0.003 | 0.003 | 0.006 | 0 | 0.0 | 0.015 |
Magnesium | mg/L | 33 | 5.58 | 0.05 | 23.75 | - | - | - |
Manganese | mg/L | 37 | 0.01 | 0.01 | 1.78 | 15 | 40.5 | 0.05 |
Mercury | mg/L | 9 | 0.00 | 0.001 | 0.001 | 0 | 0.0 | 0.002 |
Nickel | mg/L | 10 | 0.01 | 0.003 | 0.005 | - | - | - |
Sodium | mg/L | 5 | 6.75 | 0.34 | 66.19 | - | - | - |
Zinc | mg/L | 10 | 0.02 | 0.01 | 0.05 | 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