TABLE 2.
Source water characterization for E. coli sample collection points (n = 1)
| Phasea | Site | Temp (°C) | pH | Turbidity (NTU)b | Total organic carbon (mg/liter) | Total phosphorus (mg/liter) | Total Kjeldahl nitrogen (mg/liter) | Heterotrophic plate count (CFU/ml) |
|---|---|---|---|---|---|---|---|---|
| 1 | Rainbow Lake, King, Wis. | 11.6 | NAd | 1.5 | 4.3 | 0.017 | 0.83 | 5 |
| Wisconsin River, Wisconsin Dells, Wis. | 14.5 | 8.1 | 10.4 | 8.1 | 0.085 | 1.09 | 160 | |
| Lincoln Creek, Milwaukee, Wis. | 19.0 | 7.6 | 38.5 | 6.4 | 0.149 | 0.84 | 21,500 | |
| Lake Winnebago, Oshkosh, Wis. | 10.1 | 8.0 | 10.2 | 6.0 | 0.067 | 0.57 | NA | |
| 2 | Cincinnati Water Works, Cincinnati, Ohio | 5.4 | 7.6 | 6.3 | 9.2 | NDc | 0.74 | 240 |
| Clermont County, Ohio | 10.7 | 7.7 | NA | 5.8 | ND | 1.07 | 3,000 | |
| Williamsburg, Ohio | 11.0 | 8.5 | 14.0 | 4.9 | 0.147 | 1.14 | 2,300 | |
| Northern, Newport, Ky. | 14.7 | 6.6 | 54.1 | 3.8 | 0.100 | 0.48 | 9,100 | |
| Falmouth, Ky. | 15.8 | 6.5 | 264.0 | 6.8 | 0.199 | 0.77 | 94,000 | |
| Bethel, Ohio | 17.9 | 8.0 | 3.0 | 3.5 | ND | 0.04 | 69 | |
| Williamstown, Ky. | 17.7 | 7.3 | 4.2 | 4.6 | ND | 0.37 | 930 |
a
Source water characterization was not available for phase 3.
b
NTU, nephelometric turbidity units.
c
ND, not detected.
d
NA, not analyzed.