Summary of Drinking Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Montour County
10/4/2007 - 6/26/2023, 154 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 |
149 | 0.0 | 0.0 | 200.5 | 64 | 43.0 | 0 |
E. Coli |
MPN/100 mL |
149 | 0.0 | 0.0 | 200.5 | 11 | 7.4 | 0 |
pH | - |
129 | 7.6 | 5.6 | 9.5 | 19 | 14.7 | 6.5-8.5 |
Total Dissolved Solids |
mg/L | 125 | 183.0 | 20.0 | 1662.0 | 5 | 4.0 | 500 |
Corrosivity Index* |
- |
68 | -0.9 | -4.1 | 0.9 | 48 | 70.6 | - |
Hardness | mg/L | 69 | 59.9 | 0.8 | 1131.0 | - | - | - |
Nitrate+Nitrite N |
mg/L | 66 | 0.5 | 0.2 | 15.5 | 2 | 3.0 | 10 |
Chloride | mg/L | 0 | - | - | - | - | - | 250 |
Sulfate | mg/L | 5 | 407.5 | 14.6 | 947.3 | 3 | 60.0 | 250 |
Aluminum | mg/L | 0 | - | - | - | - | - | 0.05-0.2 |
Arsenic | mg/L | 58 | 0.00 | 0.003 | 0.037 | 1 | 1.7 | 0.01 |
Barium | mg/L | 52 | 0.02 | 0.00 | 0.29 | 0 | 0.0 | 2 |
Cadmium | mg/L | 3 | 0.00 | 0.001 | 0.001 | 0 | 0.0 | 0.005 |
Calcium | mg/L | 68 | 13.00 | 0.25 | 294.13 | - | - | - |
Chromium | mg/L | 3 | 0.0 | 0.005 | 0.005 | 0 | 0.0 | 0.1 |
Copper | mg/L | 71 | 0.01 | 0.01 | 1.48 | 1 | 1.4 | 1.0,1.3 |
Iron | mg/L | 21 | 0.1 | 0.1 | 6.8 | 2 | 9.5 | 0.3 |
Lead-1st draw |
mg/L | 59 | 0.00 | 0.003 | 0.083 | 4 | 6.8 | 0.015 |
Lead-Running | mg/L | 62 | 0.003 | 0.003 | 0.031 | 2 | 3.2 | 0.015 |
Magnesium | mg/L | 68 | 5.24 | 0.05 | 96.30 | - | - | - |
Manganese | mg/L | 25 | 0.01 | 0.01 | 1.16 | 11 | 44.0 | 0.05 |
Mercury | mg/L | 4 | 0.00 | 0.001 | 0.001 | 0 | 0.0 | 0.002 |
Nickel | mg/L | 3 | 0.01 | 0.005 | 0.005 | - | - | - |
Sodium | mg/L | 0 | - | - | - | - | - | - |
Zinc | mg/L | 3 | 0.01 | 0.005 | 0.02 | 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