Summary of Pond/Lake Water Samples

Tested by the Penn State Agricultural Analytical Services Laboratory.

4/01/2010 - 6/30/2025 
2,648 Total Samples

Summary of Pond Water Samples Tested by the Penn State Agricultural Analytical Services Laboratory
Test Parameter Units Number of Samples Tested Median Minium Maximum Number of samples with levels of concern Percent of Samples with levels of concern Level of concern
E. Coli MPN/100 mL 1,360 6.3 1.0 4,839.2 183 13.5 > 126
Nitrate N mg/L 2,350 0.2 0.20 65.1 165 7.0 > 3
Phophorus mg/L 2,648 0.0 0.013 93.4 848 32.0 > 0.025
Total Dissolved Solids mg/L 2,494 108.8 4.0 24,384.0 51 2.0 1,000
pH - 2,503 7.4 3.1 11.5 203 8.1 < 6 or > 9
Total Alkalinity mg/L 2,648 36.7 2.0 3,771.6 154 5.8 < 5
Hardness as CaCO3 mg/L 2,648 58.9 1.7 5,077.6 555 21.0 150
Iron mg/L 2,648 0.10 0.05 197.9 456 17.2 0.3
Manganese mg/L 2,648 0.01 0.01 15.6 675 25.5 0.05
Aluminum mg/L 2,648 0.03 0.00 139.3 191 7.2 0.1
Sulfate mg/L 2,648 8.17 2 2,527 82 3.1 250

Ag Analytical Services Lab

Address

720 Tower Rd
University Park, PA 16802
Directions

Hours: Monday-Friday, 8:00 AM - 4:00 PM

Ag Analytical Services Lab

Address

720 Tower Rd
University Park, PA 16802
Directions

Hours: Monday-Friday, 8:00 AM - 4:00 PM