Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Snyder County
1/18/2007 - 7/10/2024, 224 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 |
211 | 0.0 | 0.0 | 200.5 | 103 | 48.8 | 0 |
E. Coli |
MPN/100 mL |
211 | 0.0 | 0.0 | 165.2 | 13 | 6.2 | 0 |
pH | - |
161 | 7.6 | 5.2 | 10.5 | 22 | 13.7 | 6.5-8.5 |
Total Dissolved Solids |
mg/L | 158 | 158.0 | 27.0 | 835.0 | 4 | 2.5 | 500 |
Corrosivity Index* |
- |
64 | -0.8 | -4.2 | 1.0 | 44 | 68.8 | - |
Hardness | mg/L | 70 | 70.5 | 0.8 | 284.5 | - | - | - |
Nitrate+Nitrite N |
mg/L | 61 | 0.5 | 0.2 | 19.0 | 3 | 4.9 | 10 |
Chloride | mg/L | 9 | 5.0 | 1.0 | 52.5 | 0 | 0.0 | 250 |
Sulfate | mg/L | 12 | 12.8 | 4.0 | 32.7 | 0 | 0.0 | 250 |
Aluminum | mg/L | 6 | 0.0 | 0.0 | 0.1 | 2 | 33.3 | 0.05-0.2 |
Arsenic | mg/L | 24 | 0.00 | 0.003 | 0.124 | 5 | 20.8 | 0.01 |
Barium | mg/L | 19 | 0.04 | 0.00 | 0.26 | 0 | 0.0 | 2 |
Cadmium | mg/L | 12 | 0.00 | 0.001 | 0.001 | 0 | 0.0 | 0.005 |
Calcium | mg/L | 61 | 17.47 | 0.25 | 104.85 | - | - | - |
Chromium | mg/L | 12 | 0.0 | 0.005 | 0.005 | 0 | 0.0 | 0.1 |
Copper | mg/L | 75 | 0.01 | 0.01 | 0.31 | 0 | 0.0 | 1.0,1.3 |
Iron | mg/L | 73 | 0.1 | 0.1 | 94.0 | 19 | 26.0 | 0.3 |
Lead-1st draw |
mg/L | 33 | 0.00 | 0.003 | 0.449 | 4 | 12.1 | 0.015 |
Lead-Running | mg/L | 48 | 0.003 | 0.003 | 0.033 | 2 | 4.2 | 0.015 |
Magnesium | mg/L | 61 | 5.27 | 0.05 | 21.91 | - | - | - |
Manganese | mg/L | 69 | 0.01 | 0.01 | 1.42 | 27 | 39.1 | 0.05 |
Mercury | mg/L | 9 | 0.00 | 0.001 | 0.001 | 0 | 0.0 | 0.002 |
Nickel | mg/L | 12 | 0.01 | 0.005 | 0.010 | - | - | - |
Sodium | mg/L | 3 | 9.16 | 7.49 | 23.47 | - | - | - |
Zinc | mg/L | 12 | 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