Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Northampton County
10/5/2007 - 6/23/2022, 269 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 |
163 | 0.0 | 0.0 | 200.5 | 74 | 45.4 | 0 |
E. Coli |
MPN/100 mL |
163 | 0.0 | 0.0 | 200.5 | 14 | 8.6 | 0 |
pH | - |
150 | 7.5 | 5.8 | 9.4 | 21 | 14.0 | 6.5-8.5 |
Total Dissolved Solids |
mg/L | 150 | 235.0 | 20.0 | 1167.0 | 11 | 7.3 | 500 |
Corrosivity Index* |
- |
91 | -0.7 | -4.0 | 0.7 | 57 | 62.6 | - |
Hardness | mg/L | 96 | 114.7 | 0.8 | 510.9 | - | - | - |
Nitrate+Nitrite N |
mg/L | 85 | 3.6 | 0.2 | 12.3 | 3 | 3.5 | 10 |
Chloride | mg/L | 3 | 413.2 | 246.8 | 577.6 | 2 | 66.7 | 250 |
Sulfate | mg/L | 5 | 33.4 | 10.9 | 58.2 | 0 | 0.0 | 250 |
Aluminum | mg/L | 3 | 0.0 | 0.0 | 0.1 | 0 | 0.0 | 0.05-0.2 |
Arsenic | mg/L | 66 | 0.00 | 0.001 | 0.003 | 0 | 0.0 | 0.01 |
Barium | mg/L | 61 | 0.02 | 0.00 | 0.15 | 0 | 0.0 | 2 |
Cadmium | mg/L | 13 | 0.00 | 0.001 | 0.002 | 0 | 0.0 | 0.005 |
Calcium | mg/L | 88 | 30.35 | 0.25 | 153.67 | - | - | - |
Chromium | mg/L | 13 | 0.0 | 0.001 | 0.005 | 0 | 0.0 | 0.1 |
Copper | mg/L | 103 | 0.02 | 0.01 | 4.62 | 3 | 2.9 | 1.0,1.3 |
Iron | mg/L | 133 | 0.1 | 0.1 | 15.5 | 15 | 11.3 | 0.3 |
Lead-1st draw |
mg/L | 78 | 0.00 | 0.003 | 0.033 | 5 | 6.4 | 0.015 |
Lead-Running | mg/L | 86 | 0.003 | 0.003 | 0.138 | 3 | 3.5 | 0.015 |
Magnesium | mg/L | 88 | 7.04 | 0.05 | 47.14 | - | - | - |
Manganese | mg/L | 45 | 0.01 | 0.01 | 0.44 | 8 | 17.8 | 0.05 |
Mercury | mg/L | 27 | 0.00 | 0.000 | 0.002 | 0 | 0.0 | 0.002 |
Nickel | mg/L | 13 | 0.01 | 0.005 | 0.035 | - | - | - |
Sodium | mg/L | 0 | - | - | - | - | - | - |
Zinc | mg/L | 13 | 0.01 | 0.01 | 0.12 | 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