Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Lycoming County
8/20/2007 - 6/21/2024, 238 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 |
231 | 0.0 | 0.0 | 200.5 | 103 | 44.6 | 0 |
E. Coli |
MPN/100 mL |
231 | 0.0 | 0.0 | 200.5 | 26 | 11.3 | 0 |
pH | - |
145 | 7.4 | 5.5 | 9.4 | 32 | 22.1 | 6.5-8.5 |
Total Dissolved Solids |
mg/L | 144 | 127.0 | 20.0 | 2135.0 | 3 | 2.1 | 500 |
Corrosivity Index* |
- |
76 | -1.4 | -4.7 | 0.8 | 53 | 69.7 | - |
Hardness | mg/L | 84 | 51.5 | 0.8 | 399.2 | - | - | - |
Nitrate+Nitrite N |
mg/L | 83 | 0.5 | 0.2 | 8.7 | 0 | 0.0 | 10 |
Chloride | mg/L | 44 | 5.0 | 1.0 | 58.5 | 0 | 0.0 | 250 |
Sulfate | mg/L | 16 | 10.0 | 1.7 | 34.4 | 0 | 0.0 | 250 |
Aluminum | mg/L | 11 | 0.0 | 0.0 | 0.1 | 2 | 18.2 | 0.05-0.2 |
Arsenic | mg/L | 69 | 0.00 | 0.001 | 0.062 | 9 | 13.0 | 0.01 |
Barium | mg/L | 85 | 0.04 | 0.00 | 5.77 | 1 | 1.2 | 2 |
Cadmium | mg/L | 4 | 0.00 | 0.001 | 0.002 | 0 | 0.0 | 0.005 |
Calcium | mg/L | 83 | 14.64 | 0.25 | 119.33 | - | - | - |
Chromium | mg/L | 4 | 0.0 | 0.001 | 0.005 | 0 | 0.0 | 0.1 |
Copper | mg/L | 82 | 0.01 | 0.01 | 3.45 | 1 | 1.2 | 1.0,1.3 |
Iron | mg/L | 46 | 0.1 | 0.1 | 93.0 | 9 | 19.6 | 0.3 |
Lead-1st draw |
mg/L | 59 | 0.00 | 0.003 | 0.027 | 1 | 1.7 | 0.015 |
Lead-Running | mg/L | 70 | 0.003 | 0.003 | 0.006 | 0 | 0.0 | 0.015 |
Magnesium | mg/L | 83 | 3.15 | 0.05 | 24.58 | - | - | - |
Manganese | mg/L | 48 | 0.01 | 0.01 | 7.46 | 13 | 27.1 | 0.05 |
Mercury | mg/L | 4 | 0.00 | 0.000 | 0.001 | 0 | 0.0 | 0.002 |
Nickel | mg/L | 4 | 0.01 | 0.005 | 0.010 | - | - | - |
Sodium | mg/L | 9 | 3.92 | 1.43 | 16.91 | - | - | - |
Zinc | mg/L | 4 | 0.01 | 0.006 | 0.01 | 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