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MWMC FACILITIES PLAN <br /> <br /> New bank outfall <br /> New reuse disinfection facility <br /> New digester <br /> WAS thickening building expansion <br /> <br /> BAFFLED MODIFIED } BAFFLED TWONEW <br /> PR[MARY ;, AERATION ISECONDARYi SECONDARY <br /> =LARIF~ERS BASINS ] CLARIFIERS C~RIFIERS <br /> <br /> aa~,a¢~ Normal Secondary Treatment Flow Paths <br /> <br /> ~ New Dry and Wet Weather <br /> Dual Uae Facilities <br /> <br /> ~ Ne~v Wet Weather P~k Fl~w Fscilit~ee <br /> <br />FIGURE 9.5.1-1 <br />Proposed Layout tot System Alternative 2 - High-Rate Clarification <br />MWMC Facilities Plan, Eugene-Springfield <br /> <br />9.5,2 Water Quality <br />Impacts under System Alternative 4 would be substantially similar to water quality impacts <br />under System Alternative 5; that is, the quality of treated effluent discharged to the <br />Willamette River would be higher than under System Alternative 1. <br /> <br />Similar to System Alternative 5, effluent discharge under System Alternative 4 would meet <br />NPDES requirements for TSS and CBODs. However, compared to Alternative 5, the High- <br />Rate Clarification alternative would slightly improve TSS and CBODs removal (Table <br />9.5.2-1). <br /> <br /> 9-20 MWMC_90_REV14 DOC <br /> <br /> <br />