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Average pathogen concentrations in pathogen‐seeded Lake Mendota water
| Pathogen | Average Concentration |
|---|---|
| Cryptosporidium parvum oocysts | 1×105 oocysts/L |
| Encephalitozoon intestinalis spores | 2×105 spores/L |
| Aeromonas hydrophila | 2×107cfu/L |
| Escherichia coli O157:H7 | 6×107cfu/L |
| Bacteriophage MS2 | 5×107 pfu/L |
