Portland is installing a new sewer pipeline and continues to update residents on what to expect, as well as road closures throughout the city. Although construction is almost completed, there will still be limited access around the site of installation involving a portion of Terwilliger Boulevard from Castleridge Lane- to the intersection of Highway 43. The underground sewer pipeline at this location will eliminate the need for a costly pumping station, which is no longer in the best workable condition. The sewer replacement will address the overflow conditions that have proven to be problematic for specific areas of the city. An additional long term goal is to restore five particular areas of the city’s ecosystem. The focus will be placed strategically on the areas that have been adversely affected by development, including a section of Highway 43 just north of Lake Oswego.
Almost twenty years ago Portland began a restoration project -at 5 different locations- establishing important ‘green’ solutions for the city. The project was to include the replacement of a culvert located in Lake Oswego. The proposed replacement culvert would be a 400-foot-long, 30-foot-wide and 12-foot-high arch, which would be significantly larger than its prior design. The foundation of the structure would be made up of rocks and natural creek bed materials, creating a less-uniform flow and making it easier for fish to swim against the current. The project is now considered an ongoing effort on how to best protect the aquatic endangered-species. Lake Oswego has outlined a design which includes alternatives for replacement of the culvert, including some larger-scale projects such as a fully open creek bed under three new bridges. Portland’s long-standing ecological concerns have been part of a measure to not only enhance the features of the city but to preserve its inherent characteristics.
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