Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Indiana County
10/8/2007 - 6/24/2025, 160 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 |
153 | 3.1 | 0.0 | 1413.6 | 85 | 55.6 | 0 |
| E. Coli |
MPN/100 mL |
153 | 0.0 | 0.0 | 200.5 | 24 | 15.7 | 0 |
| pH | - |
138 | 7.2 | 3.7 | 9.1 | 24 | 17.4 | 6.5-8.5 |
| Total Dissolved Solids |
mg/L | 134 | 172.0 | 20.0 | 2558.0 | 6 | 4.5 | 500 |
| Corrosivity Index* |
- |
67 | -0.9 | -5.1 | 0.6 | 44 | 65.7 | - |
| Hardness | mg/L | 68 | 82.0 | 0.8 | 1608.1 | - | - | - |
| Nitrate+Nitrite N |
mg/L | 79 | 0.2 | 0.2 | 3.3 | 0 | 0.0 | 10 |
| Chloride | mg/L | 16 | 4.4 | 1.0 | 21.3 | 0 | 0.0 | 250 |
| Sulfate | mg/L | 21 | 18.3 | 1.0 | 1636.6 | 2 | 9.5 | 250 |
| Aluminum | mg/L | 14 | 0.0 | 0.0 | 0.5 | 3 | 21.4 | 0.05-0.2 |
| Arsenic | mg/L | 59 | 0.00 | 0.001 | 0.048 | 3 | 5.1 | 0.01 |
| Barium | mg/L | 55 | 0.06 | 0.00 | 1.18 | 0 | 0.0 | 2 |
| Cadmium | mg/L | 9 | 0.00 | 0.001 | 0.002 | 0 | 0.0 | 0.005 |
| Calcium | mg/L | 67 | 21.47 | 0.25 | 445.22 | - | - | - |
| Chromium | mg/L | 9 | 0.0 | 0.002 | 0.039 | 0 | 0.0 | 0.1 |
| Copper | mg/L | 79 | 0.01 | 0.01 | 0.89 | 0 | 0.0 | 1.0,1.3 |
| Iron | mg/L | 42 | 0.1 | 0.1 | 7.9 | 15 | 35.7 | 0.3 |
| Lead-1st draw |
mg/L | 58 | 0.00 | 0.003 | 0.040 | 2 | 3.4 | 0.015 |
| Lead-Running | mg/L | 61 | 0.003 | 0.003 | 0.169 | 3 | 4.9 | 0.015 |
| Magnesium | mg/L | 67 | 6.22 | 0.05 | 120.53 | - | - | - |
| Manganese | mg/L | 50 | 0.05 | 0.01 | 3.30 | 25 | 50.0 | 0.05 |
| Mercury | mg/L | 9 | 0.00 | 0.001 | 0.001 | 0 | 0.0 | 0.002 |
| Nickel | mg/L | 9 | 0.01 | 0.005 | 0.123 | - | - | - |
| Sodium | mg/L | 13 | 14.48 | 0.71 | 74.81 | - | - | - |
| Zinc | mg/L | 9 | 0.01 | 0.005 | 0.35 | 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