How far must the potable water source for RV refill be from the sewage connection?

The distance requirement between a potable water source and a sewage connection is established to prevent contamination of the drinking water supply. The chosen answer of 25 feet is based on regulations that ensure a safe buffer zone between potable water systems and any potential sources of contamination, such as sewage connections. This distance minimizes the risk of cross-contamination due to splashing, runoff, or other means that might allow contaminants to enter the drinking water supply.

In plumbing codes and safety regulations, maintaining sufficient separation distances is crucial to preserving public health and ensuring that water remains safe for consumption. This guideline is widely adopted in many plumbing codes to prevent any adverse health effects associated with poor sanitation practices. It reflects best practices for safeguarding potable water, especially in areas where RVs park and utilize shared facilities.