Rhode Island Journeyman Plumber Practice Exam

The minimum distance that sanitary sewer and storm drains can be installed from each other on the same property is typically governed by local plumbing codes and standards aimed at ensuring proper separation to prevent contamination. In many jurisdictions, this minimum distance is set to be 1 inch. Maintaining a minimum distance is critical for preventing cross-contamination between sanitary sewer systems, which carry waste, and stormwater systems, designed to handle runoff. When these systems are too close, there is a risk that sewer gases or contaminants could enter the stormwater system, potentially leading to environmental concerns or health risks. This 1-inch separation standard helps ensure that there’s an adequate buffer zone, thus promoting public health safety and environmental protection while also facilitating maintenance and inspection processes.