TABLE 3.
Summary of physicochemical characteristics
| Category | Depth (m) | pH | Turbidity (NTU)a | Temp (°C) | TOC concn (mg/liter) |
|---|---|---|---|---|---|
| Avg | 269 | 7.16 | 2.20 | 14.8 | 0.97 |
| Minimum | 19 | 4.83 | 0.039 | 7.0 | 0.12 |
| Maximum | 2,247 | 9.20 | 15.6 | 34.0 | 5.21 |
| Avg for cell culture-positive samples | 418 | 7.18 | 1.75 | 12.9 | 1.18 |
| Avg for enterovirus PCR-positive samples | 213 | 7.10 | 1.02 | 13.5 | 0.97 |
| Avg for rotavirus PCR-positive samples | 235 | 7.27 | 1.60 | 14.2 | 0.95 |
| Avg for hepatitis A virus-positive samples | 167 | 6.81 | 0.37 | 14.2 | 1.18 |
a
NTU, nephelometric turbidity units.