History of Milwaukee (later known as Shorewood), in 1900. The early 20th century saw the additions of West Allis (1902) and West Milwaukee (1906), which completed the first generation of so-called "inner-ring" suburbs. In general, suburbs along the north shore of Lake Michigan were residential and wealthier and suburbs along the south shore were industrial and working class. The western suburbs were mixed—North Milwaukee and West Allis being primarily industrial, and Wauwatosa being primarily residential. Wauwatosa was widely recognized as Milwaukee's first "bedroom suburb," though it developed its own set of social, economic, and religious institutions. In 1895, the Milwaukee City Hall was
Lake, Milwaukee County, Wisconsin in 1938. It was to be the Lake City Hall and doubled as a water tower. This landmark features Art Deco details such as empire lines on the façade, scallops above the entrance and stair railings with chevron designs in them. No longer needed by the neighboring Department of Water Works treatment plant to equalize water pressure, the internal tank was abandoned and the building updated for use as municipal office space in 2001. In 1993, the Howard Avenue Water Purification Plant became the source of the Milwaukee Cryptosporidium outbreak, the largest documented waterborne disease outbreak in United States history.