Bill Reversing Biden-Era Showerheads Definition Heads to Senate

Jan. 13, 2026, 11:26 PM UTC

A Republican-led bill that scraps a more restrictive definition of showerheads now heads to the Senate after passing the House 226-197 Tuesday.

The legislation (H.R. 4593), which received some votes from Democrats, codifies the American Society of Mechanical Engineers’ standard related to showerheads stipulating that the maximum water use allowed for any showerhead is 2.5 gallons per minute when measured at a flowing water pressure of 80 pounds per square inch.

The Obama and Biden administrations put in place rules that applied that definition to the entire shower system rather than individual showerheads in multi-fixture systems as a ...

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