Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Mifflin County
12/4/2007 - 6/27/2024, 495 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 |
442 | 0.0 | 0.0 | 2419.6 | 192 | 43.4 | 0 |
E. Coli |
MPN/100 mL |
442 | 0.0 | 0.0 | 200.5 | 37 | 8.4 | 0 |
pH | - |
146 | 7.4 | 5.5 | 8.5 | 18 | 12.3 | 6.5-8.5 |
Total Dissolved Solids |
mg/L | 150 | 216.5 | 20.0 | 2426.0 | 12 | 8.0 | 500 |
Corrosivity Index* |
- |
70 | 0.1 | -4.5 | 1.0 | 46 | 65.7 | - |
Hardness | mg/L | 90 | 105.4 | 0.8 | 1794.9 | - | - | - |
Nitrate+Nitrite N |
mg/L | 148 | 0.8 | 0.2 | 12.9 | 7 | 4.7 | 10 |
Chloride | mg/L | 12 | 6.2 | 1.0 | 224.9 | 0 | 0.0 | 250 |
Sulfate | mg/L | 21 | 22.7 | 1.0 | 1500.9 | 2 | 9.5 | 250 |
Aluminum | mg/L | 3 | 0.0 | 0.0 | 0.0 | 0 | 0.0 | 0.05-0.2 |
Arsenic | mg/L | 27 | 0.00 | 0.003 | 0.042 | 4 | 14.8 | 0.01 |
Barium | mg/L | 18 | 0.02 | 0.00 | 0.20 | 0 | 0.0 | 2 |
Cadmium | mg/L | 12 | 0.00 | 0.001 | 0.001 | 0 | 0.0 | 0.005 |
Calcium | mg/L | 68 | 31.67 | 0.25 | 518.70 | - | - | - |
Chromium | mg/L | 12 | 0.0 | 0.003 | 0.005 | 0 | 0.0 | 0.1 |
Copper | mg/L | 81 | 0.01 | 0.01 | 3.30 | 1 | 1.2 | 1.0,1.3 |
Iron | mg/L | 92 | 0.2 | 0.1 | 17.3 | 32 | 34.8 | 0.3 |
Lead-1st draw |
mg/L | 42 | 0.00 | 0.003 | 0.055 | 2 | 4.8 | 0.015 |
Lead-Running | mg/L | 88 | 0.003 | 0.003 | 0.164 | 3 | 3.4 | 0.015 |
Magnesium | mg/L | 68 | 7.79 | 0.05 | 147.00 | - | - | - |
Manganese | mg/L | 77 | 0.01 | 0.01 | 0.80 | 22 | 28.6 | 0.05 |
Mercury | mg/L | 11 | 0.00 | 0.001 | 0.001 | 0 | 0.0 | 0.002 |
Nickel | mg/L | 12 | 0.01 | 0.005 | 0.012 | - | - | - |
Sodium | mg/L | 2 | 30.17 | 10.33 | 50.00 | - | - | - |
Zinc | mg/L | 12 | 0.01 | 0.005 | 0.16 | 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