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MWMC FACILITIES PLAN <br /> <br /> Primary diversion pump station <br /> Secondary diversion pump station <br /> Clarifier upgrades: primary clarifier baffles, primary clarifier blending structure, <br /> secondary clarifier baffles <br /> Two new secondary clarifiers <br /> New high-rate disinfection basin <br /> New effluent blending and outfall structure <br /> New tertiary filtration system <br /> New bank outfall <br /> New bioscrubbers for odor control <br /> New reuse disinfection facility <br /> New digester <br /> WAS thickening building expansion <br /> <br /> BAFFLED TREATMENT BAFFLED TWO NEW <br /> P~MARY ' O~VERSION P~P SEC~DARY <br /> CLARIFIERS ~ STAT~O~ CLARIRERS STRUCTURE <br /> <br /> ~ Normal SecondaryTreatm~t Flow Paths <br /> <br /> ~ New Dr,/and Wet Weather <br /> Dual Uae Facihflea <br /> <br /> ~ New Wet Weather Peak Flow Fac~ht~ea <br /> <br /> FIGURE 9.4.1-1 <br /> Proposed Layout for System Alternative 1 - Parallel Pdmary and Secondary Treatment <br /> MWMC Facilities Plan, Eugene-Springfield <br /> <br /> 9,4,2 Water Quality <br /> Compared to System Alternative 1, System Alternative 5 could result in potential ne§alive <br /> impacts to water quality in the Willamette River. These potential impacts would be <br /> temporary and would be related to project construction activities. However, compared to <br /> System Alternative 1, the implementation of System Alternative 5 during the operational <br /> <br /> 9-10 MWMC_CJ 0_REVI4 DOC <br /> <br /> <br />