Why did reformers believe bread made in cellar bakeries could endanger consumers' health?

Reformers believed that bread produced in cellar bakeries posed a significant health hazard to consumers due to the unsanitary conditions of these workplaces. Most of these bakeries were located in tenement house cellars that were never intended for commercial use.1

Key factors contributing to these concerns included:

• Poor Sanitation: The facilities, such as sinks, baths, and toilets, drained into sewer pipes located in the cellar. These pipes frequently leaked and produced foul odors, which were exacerbated by the intense heat generated by baking ovens.1
• Lack of Ventilation: The bakeries had few windows and low ceilings, which prevented adequate air circulation. Consequently, flour dust and fumes could not escape the workspace.1
• Filthy Environments: The floors were often made of dirt, wood, or concrete, and the overall environment was widely considered filthy by contemporary observers.1

These conditions led to the passage of the New York Bakeshop Act of 1895, which sought to establish minimum sanitation standards to protect public health and ensure the production of clean, wholesome bread.1