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The City of Roseville has not identified any floodplain or river-related districts within the project area. The entire project area is located within the Rice Creek Watershed District (RCWD). The RCWD has not identified any floodplains in the project area. XXIV. Infrastructure Expansions The majority of required infrastructure for the Twin Lakes Business Park is currently in place with the exception of the Twin Lakes Parkway and interior sanitary sewer, water main and storm sewer extensions west of Fairview Avenue. Major infrastructure improvements are not necessary to redevelop parcels located east of Fairview Avenue, however minor utility relocations and curb cuts in Terrace Drive may be required in some areas. The full redevelopment of interior parcels located west of Fairview Avenue will require the construction of Twin Lakes Parkway. Twin Lakes Parkway is proposed to begin at the intersection of Cleveland Avenue and the northbound 1-35W entrance/exit ramps and run east to the intersection of Fairview Avenue and Terrace Drive. The parkway is proposed to be approximately 3100 feet in length and include two 16-foot wide through lanes with left turn lanes and a center median throughout. A bituminous pedestrian trail is also proposed along the parkway. Sanitary sewer facilities are proposed to be constructed along Mount Ridge Road to serve interior parcels in the development. Approximately 1000 feet of 8-inch sanitary sewer is proposed to be constructed, Water main facilities may be constructed along Mount Ridge Road easement and Twin Lakes Parkway to serve interior parcels in the development and provide additional loops within the City water main grid, Approximately 3000 feet of 8-inch diameter water main is proposed to be constructed along a portion of Twin Lakes Parkway. Approximately 2000 feet of 12-inchdiameter water main is proposed to be constructed along the existing lona Lane utility easement and the Twin Lakes Parkway. Storm sewer facilities include catch basins for the two proposed roadways with trunk sewer running to existing storm water treatment ponds. Additional trunk sewer facilities will be constructed to provide connections between proposed parcels and existing storm water treatment ponds. Approximately 3500 feet of 12 inch through 36-inch diameter storm sewer is proposed to be constructed in conjunction with ultimate development in the Twin Lakes Business Park. xxv. Parks in the Area Langton Lake Park (54 acres) is east of Cleveland Avenue and surrounds Langton Lake. The Park consists of woods, trails, play equipment, and a picnic shelter. Walking trails exist on the north and west side of the lake and where County Road C2 previously bisected Langton Lake. The Twin Lakes Business Park Comprehensive Plan recommends the future construction of trails around the entire perimeter of Langton Lake, and connecting this trail to others within the development area. 22