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Percentage of positive samples by fecal indicator (Escherichia coli, Enterococcus and Clostridium perfringens) in community plastic tanks and wells assessed in a peri-urban area of Suzano, São Paulo, September 2007 - November 2008.
| Fecal Indicator | Community plastic tanks | Wells |
|---|---|---|
| Escherichia coli | 5.6% (n=89) | 39.5% (n=177) |
| Enteorococcus | 23.5% (n=89) | 80.2% (n=177) |
| Clostridium perfringens | 12.5% (n=40) | 87.5% (n=40) |
