| Tested | Microorganism | Water flow, L/sec | ||
| 0.16 | 0.32 | 0.5 | ||
| UV | Fecal coliforms | 447.5 | 299.3 | 247.7 |
| Total coliforms | 439.6 | 285.1 | 224.6 | |
| O3 | Fecal coliforms | 2529.7 | 1654.6 | 1638.0 |
| Total coliforms | 2327.6 | 1452.0 | 1248.2 | |