Summary of Pond/Lake Water Samples
Tested by the Penn State Agricultural Analytical Services Laboratory.
04/01/2010 - 6/30/2015
471 Total Samples
| Test Parameter | Units | Number of Samples Tested | Median | Mininum | Maximum | Number of samples with levels of concern | Percent of Samples with levels of concern | Level of concern |
|---|---|---|---|---|---|---|---|---|
| E. Coli | MPN/100 mL | 277 | 7.2 | 1.0 | 2419.6 | 39 | 14.1 | > 126 |
| Nitrate+Nitrite N | mg/L | 428 | 0.50 | 0.50 | 47.3 | 27 | 6.3 | > 3 |
| Phophorus | mg/L | 471 | 0.025 | 0.013 | 26.1 | 152 | 32.3 | > 0.025 |
| Total Dissolved Solids | mg/L | 428 | 111.4 | 8.7 | 1638.4 | 7 | 1.6 | 1,000 |
| pH | - | 429 | 7.5 | 3.3 | 10.6 | 37 | 8.6 | < 6 or > 9 |
| Total Alkalinity | mg/L | 428 | 38.7 | 0.0 | 2212.6 | 12 | 2.8 | < 5 |
| Hardness as CaCO3 | mg/L | 471 | 59.9 | 1.7 | 4242.3 | 109 | 23.1 | 150 |
| Iron | mg/L | 471 | 0.10 | 0.05 | 15.7 | 57 | 12.1 | 0.3 |
| Manganese | mg/L | 471 | 0.013 | 0.007 | 15.6 | 132 | 28.0 | 0.05 |
| Aluminum | mg/L | 471 | 0.03 | 0.00 | 8.7 | 45 | 9.6 | 0.1 |
| Sulfate | mg/L | 471 | 11.60 | 2 | 2420 | 44 | 9.3 | 250 |