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Wet weather treatment is an issue of high interest in many parts of the country. For the City of Salem, Oregon, wet weather is a common occurrence during the winter months, and even though the City spends 4 million per year on sewer rehabilitation and repair, SSOs discharged directly to the Willamette River occur approximately seven times per year on average. Wet-weather SSOs and ongoing wastewater treatment needs for the City are being addressed through a comprehensive planning process incorporating collection system and treatment facility planning, pilot testing, permitting, public acceptance, and financing. The recommended plan involves permitting and construction of a remote peak excess flow treatment facility (PEFTF) consisting of preliminary treatment, high-rate clarification (HRC) and ultraviolet light (UV) disinfection, rather than conveyance of all peak flows to the Willow Lake wastewater Treatment Plant (WLTP) for subsequent treatment.

Document Type: Research Article


Publication date: 2002-01-01

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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