Go with the flow: Water efficiency requirements in NYS

In 2017, New York State (rather quietly) adopted the EPA’s high-efficiency “Water Sense” requirements for residential faucets, toilets, and shower heads. Note the water use numbers in this screenshot of section 2.39 from the NYS Building and Standards and Codes Supplement.

The gallons per flush (GPF) for toilets was previously 1.6 GPF and is now 1.3 GPF. Showers heads were previously limited to a maximum of 2.5 gallons per minute (GPM) and are now 2 GPM.

Many building professionals are not yet aware of these new standards. Continuous code development is essential and we can all take responsibility for sharing the news on improving standards.

Let’s spread the word. And for building professionals who want to improve efficiency even further, we might consider going with California’s flow requirements: 1.28 GPF for water closets, 1.8 GPM for showers and 1.2 GPM for faucets.

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