What is the maximum flow rate in gallons per minute for lavatory faucets in a residence equipped with a flow control device?

The maximum flow rate for residential lavatory faucets equipped with a flow control device is limited to 2 gallons per minute. This regulation is in place to promote water conservation and efficiency in residential plumbing. The flow control device ensures that water usage is minimized without sacrificing functionality, which is particularly important given environmental considerations and the increasing focus on sustainable practices.

Using a flow rate of 2 gallons per minute allows for adequate performance in terms of water pressure and usability for routine tasks like handwashing and brushing teeth, while simultaneously helping to reduce water waste. This standard aligns with many plumbing codes and guidelines aimed at managing water resources effectively. Therefore, the specified maximum flow rate reflects both regulatory compliance and the need for efficient water use in modern plumbing systems.