Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Snyder County
1/18/2007 - 6/22/2023, 203 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 |
190 | 0.0 | 0.0 | 200.5 | 92 | 48.4 | 0 |
E. Coli |
MPN/100 mL |
190 | 0.0 | 0.0 | 165.2 | 13 | 6.8 | 0 |
pH | - |
152 | 7.6 | 5.6 | 10.5 | 18 | 11.8 | 6.5-8.5 |
Total Dissolved Solids |
mg/L | 151 | 164.0 | 27.0 | 835.0 | 4 | 2.6 | 500 |
Corrosivity Index* |
- |
59 | -0.7 | -2.5 | 1.0 | 40 | 67.8 | - |
Hardness | mg/L | 64 | 76.8 | 0.8 | 338.8 | - | - | - |
Nitrate+Nitrite N |
mg/L | 45 | 0.5 | 0.2 | 12.3 | 2 | 4.4 | 10 |
Chloride | mg/L | 5 | 6.4 | 1.0 | 52.5 | 0 | 0.0 | 250 |
Sulfate | mg/L | 8 | 15.0 | 4.0 | 32.7 | 0 | 0.0 | 250 |
Aluminum | mg/L | 4 | 0.0 | 0.0 | 0.1 | 1 | 25.0 | 0.05-0.2 |
Arsenic | mg/L | 21 | 0.00 | 0.001 | 0.124 | 4 | 19.0 | 0.01 |
Barium | mg/L | 16 | 0.05 | 0.00 | 0.19 | 0 | 0.0 | 2 |
Cadmium | mg/L | 13 | 0.00 | 0.001 | 0.002 | 0 | 0.0 | 0.005 |
Calcium | mg/L | 56 | 18.79 | 0.25 | 104.85 | - | - | - |
Chromium | mg/L | 13 | 0.0 | 0.005 | 0.005 | 0 | 0.0 | 0.1 |
Copper | mg/L | 70 | 0.01 | 0.01 | 0.31 | 0 | 0.0 | 1.0,1.3 |
Iron | mg/L | 68 | 0.1 | 0.1 | 16.7 | 17 | 25.0 | 0.3 |
Lead-1st draw |
mg/L | 28 | 0.00 | 0.001 | 0.449 | 4 | 14.3 | 0.015 |
Lead-Running | mg/L | 43 | 0.003 | 0.001 | 0.018 | 1 | 2.3 | 0.015 |
Magnesium | mg/L | 56 | 5.30 | 0.05 | 21.91 | - | - | - |
Manganese | mg/L | 64 | 0.01 | 0.01 | 1.42 | 25 | 39.1 | 0.05 |
Mercury | mg/L | 11 | 0.00 | 0.000 | 0.001 | 0 | 0.0 | 0.002 |
Nickel | mg/L | 13 | 0.01 | 0.005 | 0.010 | - | - | - |
Sodium | mg/L | 1 | 6.52 | 6.52 | 6.52 | - | - | - |
Zinc | mg/L | 13 | 0.01 | 0.005 | 0.06 | 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