TABLE 1.
E. coli concentrations on the beach on 10 August 2005a
| Site |
E. coli concn in:
|
|||||
|---|---|---|---|---|---|---|
| Sampling hole 1
|
Sampling hole 2
|
Lake
|
||||
| Water (CFU/100 ml) | Sediment (CFU/g) | Water (CFU/100 ml) | Sediment (CFU/g) | Water (CFU/100 ml) | Sediment (CFU/g) | |
| 1 | 8,800 | 4,712 | 1,700 | 5 | 68 | 22 |
| 5 | 300 | <1 | 40 | 1 | 58 | 2 |
| 6 | 780 | 3 | 2,400 | 4 | 76 | NDb |
| 7 | 600,000 | 5,207 | 5,900 | 31 | 220 | 4 |
| 8 | 400,000 | 1,905 | 100,000 | 372 | 180 | ND |
| 9 | 210,000 | 1,428 | 9,000 | 42 | 110 | 16 |
| Geometric mean | 21,678 | 242 | 3,088 | 15 | 105 | 6 |
a
Lake water and sediment samples were collected on 2 and 3 August, respectively.
b
ND, not determined (sediment was not collected because of the rocky lake bottom).