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2020 Eugene Wastewater Master Plan Chapter 3: Existing Wastewater Systems 10 The Highway 99 Industrial Area has a significant amount of undeveloped or underdeveloped land. The 1992 USSMP required two new pump stations to serve this basin, but they have not yet been built, and are still necessary. As detailed in Chapter 7, the 2017 Urban Growth Boundary expansion will be mostly served by the SI basin. Also, the existing Enid Pump Station is expected to be relocated and upsized to also serve development in that area. The Airport has been divided into three sub-basins corresponding with the three pump stations that serve this area. Planned wastewater expansion in this basin is minimal. River Road/Santa Clara (RR & SC) The River Road basin (see Map 3-E) includes nine sub-basins, all south of the Beltline Highway between the Willamette River and Northwest Expressway. With the exception of the West Bank interceptor built in 1951, the 48 miles of wastewater lines in this basin were built since 1971. Of those 48 miles, 37 miles were built since 1990. The Santa Clara basin includes 10 sub-basins, all north of Beltline and east of Northwest Expressway. The majority of the 82-mile system has been built since 1980. With the exception of the eastern fringe, and some limited in-fill, the properties in the River Road and Santa Clara basins are fully served. Willakenzie North, Willakenzie South and Willamette River (WN, WS & WR) The Willakenzie group (see Map 3-F) includes everything north of the Willamette River and is divided into three major basins (North, South and River) and 21 sub-basins. The first wastewater line was built in 1962 in the Willakenzie area. Approximately 33 percent of the existing system was built in the 1960s. Currently, there are 127 miles of wastewater lines and five local pump stations. The entire basin drains to the Willakenzie pump station, which is a regional pump station that also receives all of the flow from the city of Springfield through the East Bank interceptor. There are still a number of undeveloped parcels in the northern part of the basin. Bethel (BN) The Bethel basin (see Map 3-G) includes everything west of Bethel Drive and north of the Southern Pacific railroad tracks. There are 19 sub-basins and 102 miles of wastewater pipe, with the first lines built in 1964. The Bethel basin has three large pump stations: West Irwin, Barger, and Terry. All three stations pump into dual force mains that run along Beltline Highway to the treatment plant. The Barger and Terry stations receive flow from the South West basin. Since the 1992 plan, a significant portion of the basin has been designated as wetlands or has been converted to wetlands and is no longer available for development. With the exception of the Royal Node area (west of Terry Street, north and south of Royal Avenue), the basin is fully served. South West (SW) The South West basin (see Map 3-G), formerly known as Bethel South, includes the area south of the Southern Pacific railroad tracks and west of the Downtown West basin. There are 14 sub-basins. There