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Average geosmin concentrations (ng/L) in raw source water vs at pipeline outfall when dosing algaecide and when not dosing.
| Average geosmin concentration (ng/L) at: | Intake | Outfall | Average removal (%) | Average removal (ng/L) |
|---|---|---|---|---|
| When no algaecide is fed | 29 (n-516) | 11 (n = 118) | 61.6 | 17.0 |
| When algaecide is fed at 1 uL/L | 241 (n = 103) | 32 (n = 452) | 86.7 | 209 |
