Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Mifflin County
12/4/2007 - 7/1/2022, 305 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 |
292 | 0.0 | 0.0 | 200.5 | 117 | 40.1 | 0 |
E. Coli |
MPN/100 mL |
292 | 0.0 | 0.0 | 200.5 | 29 | 9.9 | 0 |
pH | - |
114 | 7.5 | 5.5 | 8.5 | 11 | 9.6 | 6.5-8.5 |
Total Dissolved Solids |
mg/L | 116 | 225.5 | 20.0 | 937.0 | 9 | 7.8 | 500 |
Corrosivity Index* |
- |
55 | 0.2 | -4.5 | 1.0 | 36 | 65.5 | - |
Hardness | mg/L | 62 | 97.9 | 0.8 | 524.7 | - | - | - |
Nitrate+Nitrite N |
mg/L | 85 | 0.9 | 0.2 | 12.9 | 5 | 5.9 | 10 |
Chloride | mg/L | 3 | 209.9 | 5.0 | 224.9 | 0 | 0.0 | 250 |
Sulfate | mg/L | 10 | 21.8 | 9.1 | 179.2 | 0 | 0.0 | 250 |
Aluminum | mg/L | 2 | 0.0 | 0.0 | 0.0 | 0 | 0.0 | 0.05-0.2 |
Arsenic | mg/L | 17 | 0.00 | 0.003 | 0.036 | 2 | 11.8 | 0.01 |
Barium | mg/L | 11 | 0.06 | 0.00 | 0.20 | 0 | 0.0 | 2 |
Cadmium | mg/L | 9 | 0.00 | 0.001 | 0.001 | 0 | 0.0 | 0.005 |
Calcium | mg/L | 53 | 27.38 | 0.25 | 128.16 | - | - | - |
Chromium | mg/L | 9 | 0.0 | 0.003 | 0.005 | 0 | 0.0 | 0.1 |
Copper | mg/L | 57 | 0.01 | 0.01 | 3.30 | 1 | 1.8 | 1.0,1.3 |
Iron | mg/L | 63 | 0.2 | 0.0 | 17.3 | 21 | 33.3 | 0.3 |
Lead-1st draw |
mg/L | 25 | 0.00 | 0.003 | 0.055 | 2 | 8.0 | 0.015 |
Lead-Running | mg/L | 51 | 0.003 | 0.003 | 0.164 | 2 | 3.9 | 0.015 |
Magnesium | mg/L | 50 | 8.22 | 0.05 | 48.34 | - | - | - |
Manganese | mg/L | 58 | 0.01 | 0.01 | 8.75 | 20 | 34.5 | 0.05 |
Mercury | mg/L | 12 | 0.00 | 0.001 | 7.055 | 5 | 41.7 | 0.002 |
Nickel | mg/L | 6 | 0.01 | 0.005 | 0.008 | - | - | - |
Sodium | mg/L | 3 | 0.01 | 0.01 | 0.11 | - | - | - |
Zinc | mg/L | 15 | 0.00 | 0.00 | 0.03 | 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