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MWMC FACILITIES PLAN 3.1.3 Conveyance Pump Station History For the regional facility to begin operation in 1984, wastewater flows from the Eugene- Springfield metropolitan area needed to be consolidated. New sewers were also constructed throughout the unincorporated River Road/Santa Clara area. This resulted in a number of newly constructed regional and local conveyance pump stations. In addition, upgrades to selected existing pump stations that once served the separate Eugene and Springfield treatment facilities were required so they could continue to operate and serve the new regional facility. Most of the original planning and design for these conveyance pump stations took place from 1979 to 1983. The majority of the construction for the major conveyance pump station facilities took place between 1983 and 1987. Table 3.1.3-1 summarizes the construction of new conveyance pump stations and the modifications to existing pump stations required as part of the original construction that would serve the new regional facility. TABLE 3.1.3-1 Original Major Conveyance Pump Stations MWMC Facilities Plan, Eugene-Springfield Construction Project Year Description of Construction or Modification West Irwin Pump Station 1983 Regionally owned station serving the Bethel section of Eugene. West Irwin pump station ownership should change to the City of Eugene in 2005. Original pump station constructed in 1965. Expanded in 1983 as part of the regional facility. Added force main to pump raw sewage from 2525 West Irwin Street lo the WPCF Willakenzie Pump Station 1984 Regionally owned station serving the area east of the Willamette River. Expanded in 1984 as part of the regional facility. Pumps raw sewage from 3050 Goodpasture Lakes Loop, east of the Willamette River, via force main directly to the WPCF Terry Street Pump Station 1985 Regionally owned station serving the southwestern area of Eugene. Terry Street pump station ownership should change to the City of Eugene in 2005. Pumps raw sewage from 5t90 Barger Drive via force main to West Irwin Pump Station Division Pump Station 1985 Locally owned station serving the Santa Clara Square and area north of the Beltline Highway. Pumps raw sewage from 203 Division Avenue and discharges into either the Terry Street or West Irwin force mains Skipper Pump Station 1986 Locally owned station serving the area south of the Beltline Highway. Pumps raw sewage from 1195 Skipper Avenue and discharges into the Terry/West/Irwin/Irvington Valve Array Vault Greenwich Pump Station 1987 Locally owned station serving the area west of River Road to Northwest Expressway. Pumps raw sewage from 811 Greenwich Avenue end discharges into the Irvington force main Irvington Pump Station 1987 Regionally owned station serving lhe Santa Clara area and the Biosolids Management Facility. Pumps raw sewage from 1248 Irvington Drive to the Terry/West/Irwin/Irvington Valve Array Vault via force main. 3-2 MWMC 3.0 REV11.DOC