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by Justin Ball

Shower Head Flow Rate


Are you scratching your head wondering why your Shower Head pressure is so low? Discover what determines your shower head flow rate and what you can do about it. 


One of the main reasons for this is the restricted Flow Rate built into your Shower Head, which is imposed by your government municipality.

While it may seem like this is happening all the time, the Water Flow Rate has been a Maximum of 2.5 Gallons Per Minute (GPM) since 1992! That means for every minute of Shower time, 2.5 Gallons passes through your Shower Head. It may not feel like a lot when it's coming out, but it's like going through 2.5 jugs of milk from the store in just a minute. And most showers are MUCH longer than a minute!

According to Home Water Works, in "an average home, showers are typically the third largest water use after toilets and clothes washers. The average American shower uses 17.2 gallons (65.1 liters) and lasts for 8.2 minutes at average flow rate of 2.1 gallons per minute (gpm) (7.9 lpm)."

Based on data like this, states like California, Colorado and New York have recently changed the Maximum Flow Rate from 2.5 GPM to 1.8 GPM! That's a 28% cut in Flow Rate, which leads to less pressure from your Shower Head.

Yup, it's the law. Let's move on though to find out about the different Flow Rates, how they impact you, and what you can look for to get the best Shower Head.


Differentiating Between Low Flow And High Flow Shower Heads


If you're in the market for a new Shower Head, and you do or do not want to have a Low Flow Shower Head, make sure you double check the Product Specifications to see what Flow Rate it has.

When it comes to Shower Heads, you'll typically find 2.5 GPM, 2.0 GPM, 1.8 GPM and 1.5 GPM.

If you're looking for the most pressure, go for the 2.5 GPM Flow Rate, unless you are restricted because you reside in California, Colorado or New York. Again, this has been the Maximum Flow Rate since 1992.

The step down from there in Flow Rate is 2.0 GPM.  You'll find many Shower Heads with something called a WaterSense Certification which is given by the EPA. According to the EPA, "products bearing the WaterSense label have been independently certified to perform well; help save water, energy, and money; and encourage innovation in manufacturing." As it stands today, Shower Heads bearing the WaterSense label have a Flow Rate of 2.0 GPM or less.


shower head flow rate


You may think that 2.0 GPM of Water Flow is at low as it goes, but that's not so. There are Shower Heads called "Eco Performance" Shower Heads, typically marked with an "EP" in their model number. These Shower Heads have a Maximum Flow Rate of 1.5 GPM. That's 40% less water output than the 2.5 GPM Flow Rate.  

That said, you don't have to be mandated by a state to use a Shower Head with a 2.0 or 1.5 GPM Flow Rate. Other reasons, besides state regulations, could be:

  • Lowering your water bill
  • Conserving a low water supply, such as on a boat, RV, or if you're on well water.
  • Sincere¬†concern for the environment


    Now that you're armed with more information on the different Flow Rates, Certifications and Labels, you'll be able to find the Shower Head Flow Rate that best meets your needs, without any surprises.


    Our Expert's Recommendation

    One of the unique things about The Shower Head Store is that all of our Shower Heads are personally used by our staff. Not only that, but we only recommend Shower Heads that meet our strict criteria of durability, performance and design. 

    For those of you struggling to find the best Shower Head for you, we've got you covered with our experts top picks.


    Best Low Flow Shower Head 

    This is going to everyone from California, Colorado, New York City and anywhere else where your municipalities have strict Flow Rate restrictions. Our Professional Plumbers and Design Experts have chosen the top 2 Shower Heads for those of you in a state with Low Flow guidelines. Both options below currently meet those guidelines, with 1.8 Gallon Per Minute Flow Rates, while still offering high performing spray and features.


    Buy-> Moen Magnetix Hand Held 
    Buy-> Delta In2ition Hand Held
    Moen Attract with Magnetix Hand Held Shower Head Delta In2ition Hand Held Shower Head with Magnatite 2.0 GPM Flow


    Best High Pressure Shower Head

    For everyone else not restricted by Flow Rate laws, here are some Shower Heads that truly deliver exceptional High Pressure Flow every time. Whether you have low water pressure in your house, or just want to kick things up a notch, you can't go wrong with either of these Shower heads.

    Buy-> Speakman Shower Head 2.5 GPM Buy-> NEMO Shower Head 2.5 GPM
    Speakman Shower Head High Pressure 2.5 GPM Flow NEMO Best High Pressure Shower Head Hand Held Shower Head with Hose



    Justin Ball
    Justin Ball

    Hey there! I'm Justin Ball, founder of The Shower Head Store and HammerHead Showers¬ģ, the leader in All Metal Shower Heads and Accessories.

    Before starting our own business, I worked for Moen Inc, so I know a thing or two about plumbing fixtures. When I'm not developing our products, I'm writing articles and filming videos so you have the best product experience, no matter which brand you buy. Thanks for your support!

    Cheers! Justin Ball

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