Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Butler County
8/9/2007 - 6/28/2021, 416 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 |
398 | 0.0 | 0.0 | 200.5 | 182 | 45.7 | 0 |
E. Coli |
MPN/100 mL |
398 | 0.0 | 0.0 | 200.5 | 33 | 8.3 | 0 |
pH | - |
262 | 7.5 | 5.7 | 9.5 | 32 | 12.2 | 6.5-8.5 |
Total Dissolved Solids |
mg/L | 259 | 237.0 | 10.0 | 1631.0 | 26 | 10.0 | 500 |
Corrosivity Index* |
- |
88 | -0.6 | -4.5 | 1.0 | 54 | 61.4 | - |
Hardness | mg/L | 88 | 46.4 | 0.8 | 457.0 | - | - | - |
Nitrate+Nitrite N |
mg/L | 95 | 0.5 | 0.2 | 7.1 | 0 | 0.0 | 10 |
Chloride | mg/L | 83 | 11.1 | 1.0 | 229.5 | 0 | 0.0 | 250 |
Sulfate | mg/L | 29 | 13.7 | 1.0 | 1081.9 | 1 | 3.4 | 250 |
Aluminum | mg/L | 23 | 0.0 | 0.0 | 0.2 | 2 | 8.7 | 0.05-0.2 |
Arsenic | mg/L | 51 | 0.00 | 0.001 | 0.047 | 1 | 2.0 | 0.01 |
Barium | mg/L | 109 | 0.07 | 0.00 | 2.27 | 1 | 0.9 | 2 |
Cadmium | mg/L | 40 | 0.00 | 0.001 | 0.004 | 0 | 0.0 | 0.005 |
Calcium | mg/L | 81 | 12.96 | 0.25 | 130.97 | - | - | - |
Chromium | mg/L | 40 | 0.0 | 0.001 | 0.005 | 0 | 0.0 | 0.1 |
Copper | mg/L | 121 | 0.01 | 0.01 | 4.01 | 2 | 1.7 | 1.0,1.3 |
Iron | mg/L | 97 | 0.1 | 0.1 | 39.1 | 24 | 24.7 | 0.3 |
Lead-1st draw |
mg/L | 62 | 0.00 | 0.003 | 0.083 | 5 | 8.1 | 0.015 |
Lead-Running | mg/L | 84 | 0.003 | 0.003 | 0.046 | 3 | 3.6 | 0.015 |
Magnesium | mg/L | 81 | 2.95 | 0.05 | 47.35 | - | - | - |
Manganese | mg/L | 108 | 0.01 | 0.01 | 5.62 | 30 | 27.8 | 0.05 |
Mercury | mg/L | 44 | 0.00 | 0.000 | 0.001 | 0 | 0.0 | 0.002 |
Nickel | mg/L | 40 | 0.01 | 0.005 | 0.010 | - | - | - |
Sodium | mg/L | 0 | - | - | - | - | - | - |
Zinc | mg/L | 40 | 0.01 | 0.01 | 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 - 4:30 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