Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Clearfield County
5/19/2008 - 6/21/2021, 78 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 |
72 | 20.0 | 0.0 | 200.5 | 47 | 65.3 | 0 |
E. Coli |
MPN/100 mL |
72 | 0.0 | 0.0 | 144.5 | 23 | 31.9 | 0 |
pH | - |
67 | 6.8 | 4.6 | 8.9 | 27 | 40.3 | 6.5-8.5 |
Total Dissolved Solids |
mg/L | 52 | 110.0 | 20.0 | 1572.0 | 4 | 7.7 | 500 |
Corrosivity Index* |
- |
18 | -1.7 | -5.2 | 0.4 | 13 | 72.2 | - |
Hardness | mg/L | 18 | 29.8 | 0.8 | 911.2 | - | - | - |
Nitrate+Nitrite N |
mg/L | 27 | 0.5 | 0.2 | 13.4 | 2 | 7.4 | 10 |
Chloride | mg/L | 11 | 2.4 | 1.0 | 38.3 | 0 | 0.0 | 250 |
Sulfate | mg/L | 12 | 29.2 | 1.0 | 268.8 | 1 | 8.3 | 250 |
Aluminum | mg/L | 11 | 0.0 | 0.0 | 2.2 | 5 | 45.5 | 0.05-0.2 |
Arsenic | mg/L | 24 | 0.00 | 0.003 | 0.003 | 0 | 0.0 | 0.01 |
Barium | mg/L | 16 | 0.05 | 0.00 | 0.67 | 0 | 0.0 | 2 |
Cadmium | mg/L | 4 | 0.00 | 0.001 | 0.001 | 0 | 0.0 | 0.005 |
Calcium | mg/L | 18 | 7.39 | 0.25 | 178.85 | - | - | - |
Chromium | mg/L | 4 | 0.0 | 0.001 | 0.005 | 0 | 0.0 | 0.1 |
Copper | mg/L | 22 | 0.01 | 0.01 | 0.18 | 0 | 0.0 | 1.0,1.3 |
Iron | mg/L | 19 | 0.1 | 0.1 | 93.8 | 5 | 26.3 | 0.3 |
Lead-1st draw |
mg/L | 27 | 0.00 | 0.003 | 0.024 | 1 | 3.7 | 0.015 |
Lead-Running | mg/L | 17 | 0.003 | 0.003 | 0.044 | 1 | 5.9 | 0.015 |
Magnesium | mg/L | 18 | 2.98 | 0.05 | 112.83 | - | - | - |
Manganese | mg/L | 40 | 0.01 | 0.01 | 19.88 | 13 | 32.5 | 0.05 |
Mercury | mg/L | 5 | 0.00 | 0.001 | 0.001 | 0 | 0.0 | 0.002 |
Nickel | mg/L | 4 | 0.01 | 0.005 | 0.028 | - | - | - |
Sodium | mg/L | 0 | - | - | - | - | - | - |
Zinc | mg/L | 4 | 0.03 | 0.01 | 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 - 4:30 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