TABLE 1.
Summary of total coliform, E. coli, and enterococci levels in irrigation return waters in the Upper Snake Rock watershed in south-central Idaho.
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Log10MPN 100 mL–1 |
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| Site | Total coliforms | E. coli | Enterococci | |
| NC | Min | 2.8 | 1.7 | 1.9 |
| Max | 4.9 | 2.8 | 3.7 | |
| Mean | 4.4 | 2.3 | 3.1 | |
| DC | Min | 1.9 | 1.8 | 0.0 |
| Max | 4.2 | 3.4 | 3.4 | |
| Mean | 3.7 | 2.9 | 2.6 | |
| MC | Min | 3.4 | 1.4 | 1.5 |
| Max | 4.5 | 2.8 | 3.4 | |
| Mean | 4.1 | 2.3 | 2.8 | |
| IC | Min | 2.5 | 1.6 | 1.4 |
| Max | 4.8 | 2.9 | 3.5 | |
| Mean | 4.1 | 2.4 | 2.9 | |
| CD | Min | 2.6 | 1.3 | 0.8 |
| Max | 4.5 | 3.2 | 3.6 | |
| Mean | 4.0 | 2.4 | 2.8 | |
| RCP | Min | 2.7 | 1.0 | 1.4 |
| Max | 4.4 | 2.7 | 3.5 | |
| Mean | 3.9 | 2.2 | 2.8 | |
| TFC | Min | 3.2 | 1.1 | 1.8 |
| Max | 4.7 | 2.8 | 3.7 | |
| Mean | 4.3 | 2.5 | 3.1 | |
| HC | Min | 2.9 | 1.9 | 1.9 |
| Max | 4.7 | 2.9 | 3.4 | |
| Mean | 4.1 | 2.6 | 3.1 | |
| MLC | Min | 1.8 | 0.7 | 0.0 |
| Max | 3.5 | 1.8 | 1.7 | |
| Mean | 3.0 | 1.3 | 1.2 | |