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Showerhead Regulations By StateUpdated 3 months ago

In the US there is a federal mandate limiting the flow rate of replacement shower heads to 2.5 Gallons Per Minute (GPM). 

The table below shows the maximum flow rate for a replacement showerhead that can be sold in various states and regions within the US..

Please note that plumbing codes may change, and we may not always have the latest regulations. For the most up-to-date information, please check with your local municipal offices.

StateCurrent Max Flow Rate For Retail Sales of Replacement Shower Heads*
Scottsdales, Arizona2.0 GPM
California1.8 GPM
Colorado2.0 GPM
Ft. Collins, Colorado1.8 GPM
Miami-Dade County, Florida1.5 GPM
Hawaii1.8 GPM
Chicago, Illinois2.0 GPM
Maine2.0 GPM
Maryland2.0 GPM
Massachusetts2.0 GPM
New Jersey2.0 GPM
New York1.8 GPM
New Your City2.0 GPM
Nevada2.0 GPM
Oregon1.8 GPM
Rhode Island2.0 GPM
Vermont2.0 GPM
Washington1.8 GPM
Washinton D.C.2.0 GPM
All other US States2.5 GPM
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