Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Blair County
4/24/2007 - 6/22/2023, 127 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 |
115 | 0.0 | 0.0 | 200.5 | 43 | 37.4 | 0 |
E. Coli |
MPN/100 mL |
115 | 0.0 | 0.0 | 200.5 | 11 | 9.6 | 0 |
pH | - |
98 | 7.6 | 6.0 | 8.5 | 5 | 5.1 | 6.5-8.5 |
Total Dissolved Solids |
mg/L | 98 | 254.5 | 20.0 | 772.0 | 9 | 9.2 | 500 |
Corrosivity Index* |
- |
33 | -0.0 | -3.3 | 0.9 | 22 | 66.7 | - |
Hardness | mg/L | 38 | 111.8 | 0.8 | 576.3 | - | - | - |
Nitrate+Nitrite N |
mg/L | 53 | 0.8 | 0.2 | 73.4 | 12 | 22.6 | 10 |
Chloride | mg/L | 4 | 5.1 | 3.1 | 91.3 | 0 | 0.0 | 250 |
Sulfate | mg/L | 4 | 15.0 | 5.7 | 32.7 | 0 | 0.0 | 250 |
Aluminum | mg/L | 0 | - | - | - | - | - | 0.05-0.2 |
Arsenic | mg/L | 17 | 0.00 | 0.001 | 0.026 | 1 | 5.9 | 0.01 |
Barium | mg/L | 8 | 0.03 | 0.00 | 0.10 | 0 | 0.0 | 2 |
Cadmium | mg/L | 7 | 0.00 | 0.001 | 0.004 | 0 | 0.0 | 0.005 |
Calcium | mg/L | 33 | 28.69 | 0.25 | 124.51 | - | - | - |
Chromium | mg/L | 7 | 0.0 | 0.002 | 0.005 | 0 | 0.0 | 0.1 |
Copper | mg/L | 41 | 0.01 | 0.01 | 1.78 | 1 | 2.4 | 1.0,1.3 |
Iron | mg/L | 39 | 0.1 | 0.1 | 10.4 | 9 | 23.1 | 0.3 |
Lead-1st draw |
mg/L | 22 | 0.00 | 0.003 | 0.024 | 2 | 9.1 | 0.015 |
Lead-Running | mg/L | 22 | 0.003 | 0.001 | 0.045 | 1 | 4.5 | 0.015 |
Magnesium | mg/L | 33 | 7.20 | 0.05 | 64.44 | - | - | - |
Manganese | mg/L | 36 | 0.01 | 0.01 | 3.22 | 12 | 33.3 | 0.05 |
Mercury | mg/L | 8 | 0.00 | 0.000 | 0.001 | 0 | 0.0 | 0.002 |
Nickel | mg/L | 7 | 0.01 | 0.005 | 0.010 | - | - | - |
Sodium | mg/L | 3 | 59.99 | 30.80 | 107.90 | - | - | - |
Zinc | mg/L | 7 | 0.01 | 0.005 | 0.11 | 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