Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Clearfield County
5/19/2008 - 6/28/2023, 108 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 |
100 | 23.0 | 0.0 | 200.5 | 65 | 65.0 | 0 |
E. Coli |
MPN/100 mL |
100 | 0.0 | 0.0 | 200.5 | 30 | 30.0 | 0 |
pH | - |
89 | 6.8 | 4.6 | 10.1 | 37 | 41.6 | 6.5-8.5 |
Total Dissolved Solids |
mg/L | 74 | 102.5 | 20.0 | 1572.0 | 5 | 6.8 | 500 |
Corrosivity Index* |
- |
28 | -1.8 | -5.2 | 0.4 | 21 | 75.0 | - |
Hardness | mg/L | 28 | 29.8 | 0.8 | 911.2 | - | - | - |
Nitrate+Nitrite N |
mg/L | 33 | 0.5 | 0.2 | 13.4 | 2 | 6.1 | 10 |
Chloride | mg/L | 12 | 2.2 | 1.0 | 38.3 | 0 | 0.0 | 250 |
Sulfate | mg/L | 14 | 19.8 | 1.0 | 268.8 | 1 | 7.1 | 250 |
Aluminum | mg/L | 13 | 0.0 | 0.0 | 2.2 | 5 | 38.5 | 0.05-0.2 |
Arsenic | mg/L | 29 | 0.00 | 0.003 | 0.003 | 0 | 0.0 | 0.01 |
Barium | mg/L | 17 | 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 | 28 | 6.33 | 0.25 | 178.85 | - | - | - |
Chromium | mg/L | 4 | 0.0 | 0.001 | 0.005 | 0 | 0.0 | 0.1 |
Copper | mg/L | 32 | 0.01 | 0.01 | 1.27 | 0 | 0.0 | 1.0,1.3 |
Iron | mg/L | 31 | 0.1 | 0.1 | 93.8 | 9 | 29.0 | 0.3 |
Lead-1st draw |
mg/L | 35 | 0.00 | 0.003 | 0.024 | 1 | 2.9 | 0.015 |
Lead-Running | mg/L | 24 | 0.003 | 0.003 | 0.044 | 1 | 4.2 | 0.015 |
Magnesium | mg/L | 28 | 3.05 | 0.05 | 112.83 | - | - | - |
Manganese | mg/L | 52 | 0.01 | 0.01 | 19.88 | 18 | 34.6 | 0.05 |
Mercury | mg/L | 6 | 0.00 | 0.001 | 0.001 | 0 | 0.0 | 0.002 |
Nickel | mg/L | 4 | 0.01 | 0.005 | 0.028 | - | - | - |
Sodium | mg/L | 3 | 5.43 | 2.96 | 28.37 | - | - | - |
Zinc | mg/L | 4 | 0.03 | 0.005 | 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 - 4:00 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