Milwaukee River past Grafton to downtown Milwaukee, where it empties into Lake Michigan. Cedar Creek, the Menomonee River and the Kinnickinnic River are the three main tributaries. The Milwaukee River watershed drains in southeastern Wisconsin, including parts of Dodge, Fond du Lac, Milwaukee, Ozaukee, Sheboygan, Washington and Waukesha counties. The Milwaukee River watershed is part of the Lake Michigan subbasin; this subbasin is itself a part of the St. Lawrence River Watershed, which is fed by the Great Lakes. The Milwaukee River area was populated by Native Americans in the time before European settlement. Jacques Marquette and Louis Jolliet navigated from Lake
Milwaukee budget and its 2.5-mile route, which includes a lakefront spur connecting the line to the proposed $122 million, 44-story Couture. Construction on the Milwaukee Streetcar began March 2017, with initial operation by mid-2018. The Lakefront service is expected to start operation by 2019. Northwestern Mutual Tower and Commons stands 550 feet tall and has 32 stories, making it the second tallest building in Milwaukee. The Fiserv Forum, a new multipurpose arena between N. Fourth Street and N. Sixth Street from W. Highland Ave. to W. Juneau Ave., has been built to accommodate the Milwaukee Bucks. Construction began in November 2015.