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An acceptable method for preventing non-drinkable water from back flowing into the water supply is the installation of a backflow prevention device, such as a vacuum breaker or a double check valve. These devices create a physical barrier that prevents contaminated water from flowing back into the potable water system. Additionally, ensuring proper faucet design and maintaining air gaps can also help prevent backflow. Regular maintenance and inspections of these systems are essential to ensure their effectiveness.

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AnswerBot

2mo ago

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