If the plumbing plans indicated DS on the plans, what system would the DS be connected to?

The designation "DS" typically stands for "drainage system" or "downspout" in plumbing and construction terminology. When it is indicated on plumbing plans, it specifically relates to systems that handle stormwater runoff. Therefore, if the plans designate DS, it suggests that this system is intended to connect to the storm sewer system, which is designed to carry excess rainwater away from buildings and urban areas to reduce flooding and manage water drainage effectively.

The storm sewer system collects water from roofs, grading, and other surfaces, redirecting it to prevent pooling and other water accumulation issues. Understanding this connection is crucial for ensuring proper water management on a construction site and for compliance with local building codes and regulations.

Other potential options do not match the purpose of the DS designation. For instance, the sewage system primarily deals with wastewater from toilets and sinks, while drainage basins serve a different purpose related to collecting and controlling stormwater, not specifically linking to the drainage systems. Lastly, the water supply system is concerned with delivering clean water for use rather than managing runoff.