What is the minimum separation distance for private water lines from sewer pipes with watertight joints?

The minimum separation distance for private water lines from sewer pipes with watertight joints is typically 10 feet. This distance is established to ensure that there is a safe buffer between potable water supplies and potential contaminants that could enter the water supply from sewer lines.

Having watertight joints on sewer lines minimizes leakage, but it does not eliminate the risk of failure or accidents that could lead to contamination. The 10-foot separation helps to protect groundwater sources and maintain the quality of drinking water by reducing the likelihood that any pathogens or pollutants from the sewer could reach the water line.

Options offering distances greater than 10 feet may suggest additional caution but do not align with the minimum required standards set for typical installation procedures. Furthermore, the option stating "No separation required" is not valid because maintaining a safe distance is crucial for public health and safety.