TABLE 2.
Reported rainfall during the sampling period (November 2009 to April 2010)a
| Site | USGS station | Rainfall (mm; mean ± SD) for indicated period before sample collection |
||
|---|---|---|---|---|
| 24 h | 48 h | 1 wk | ||
| Lago Garza (site 1) | 50020100 | 1.6 ± 0.4 | 5.7 ± 0.4 | 64.3 ± 40.3 |
| Upstream from WTP at Utuado (site 6) | 50021700 | 13.3 ± 15.3 | 18.5 ± 15.7 | 60.2 ± 35.6 |
| Downstream from WTP at Utuado (site 7) | 50024950 | 8.3 ± 10.2 | 8.6 ± 10.3 | 40.6 ± 25.6 |
a
Data were collected from Lago Garza (site 1), upstream from the WTP at Utuado (site 6), and downstream from the WTP at Utuado (site 7) for 24 h, 48 h, and 1 week before collection of the samples. Results represent the mean precipitation during the sampling period.