Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Butler County
8/9/2007 - 6/28/2023, 461 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 |
440 | 0.0 | 0.0 | 200.5 | 197 | 44.8 | 0 |
E. Coli |
MPN/100 mL |
440 | 0.0 | 0.0 | 200.5 | 36 | 8.2 | 0 |
pH | - |
290 | 7.5 | 5.0 | 9.5 | 38 | 13.1 | 6.5-8.5 |
Total Dissolved Solids |
mg/L | 288 | 241.5 | 10.0 | 1631.0 | 28 | 9.7 | 500 |
Corrosivity Index* |
- |
106 | -1.0 | -5.1 | 1.0 | 67 | 63.2 | - |
Hardness | mg/L | 108 | 43.7 | 0.8 | 457.0 | - | - | - |
Nitrate+Nitrite N |
mg/L | 92 | 0.2 | 0.2 | 7.8 | 0 | 0.0 | 10 |
Chloride | mg/L | 89 | 11.1 | 1.0 | 229.5 | 0 | 0.0 | 250 |
Sulfate | mg/L | 30 | 16.0 | 1.0 | 1081.9 | 1 | 3.3 | 250 |
Aluminum | mg/L | 23 | 0.0 | 0.0 | 0.2 | 2 | 8.7 | 0.05-0.2 |
Arsenic | mg/L | 70 | 0.00 | 0.001 | 0.047 | 1 | 1.4 | 0.01 |
Barium | mg/L | 122 | 0.07 | 0.00 | 2.27 | 1 | 0.8 | 2 |
Cadmium | mg/L | 45 | 0.00 | 0.001 | 0.004 | 0 | 0.0 | 0.005 |
Calcium | mg/L | 99 | 12.19 | 0.25 | 130.97 | - | - | - |
Chromium | mg/L | 45 | 0.0 | 0.001 | 0.005 | 0 | 0.0 | 0.1 |
Copper | mg/L | 145 | 0.01 | 0.01 | 4.01 | 2 | 1.4 | 1.0,1.3 |
Iron | mg/L | 117 | 0.1 | 0.1 | 39.1 | 29 | 24.8 | 0.3 |
Lead-1st draw |
mg/L | 88 | 0.00 | 0.001 | 0.083 | 6 | 6.8 | 0.015 |
Lead-Running | mg/L | 104 | 0.003 | 0.001 | 0.046 | 3 | 2.9 | 0.015 |
Magnesium | mg/L | 99 | 2.86 | 0.05 | 47.35 | - | - | - |
Manganese | mg/L | 126 | 0.01 | 0.01 | 5.62 | 35 | 27.8 | 0.05 |
Mercury | mg/L | 49 | 0.00 | 0.000 | 0.001 | 0 | 0.0 | 0.002 |
Nickel | mg/L | 45 | 0.01 | 0.005 | 0.012 | - | - | - |
Sodium | mg/L | 9 | 15.30 | 3.87 | 224.51 | - | - | - |
Zinc | mg/L | 45 | 0.01 | 0.005 | 1.24 | 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