Bath Versus Shower Water Usage
Have you ever wondered whether or not a shower would use more water than a bath? For people who want to help conserve water, or those that are just curious, this is the article for you.
With a focus on water conservation and everyone wanting to go "green" these days, people are starting to pay attention to some of the things they do every day and consider the consequences of their actions in regards to water usage. No longer do the vast majority either ignore or simple not care about our planet's resources. People are starting to wise up to the finite nature of our water supply and the impact that water wasting now will have on future generations. One simple and very practical question that people have asked is whether or not taking a bath consumes more water than taking a shower.
To some, it seems that filling a tub once would consume less water than standing in a shower for 10 to 15 minutes. But there are others that believe that a shower of reasonable duration would take far less water than filling a tub. So, who is right? Well the answer is, "it depends." To answer this question, we have to look at the type of shower head, the duration of the shower, and the resulting amount of water that is being used by both approaches to bathing.
First, let's get an accurate assessment of the water that will be consumed in a typical bath. A standard bath tub will hold between 33 and 42 gallons of water. There are larger tubs that hold more, but this is a very common size for residential tubs. For our comparison, we will use 30 gallons as the amount of water being used since people do not fill their tubs totally full due to water displacement and we want to make a fair and reasonably accurate comparison.
Next comes the shower data. This measurement requires us to make certain assumptions in order to come up with a number. Not every shower head dispenses the same amount of water per minute and not every shower is the same duration of time. Let us make the assumption that an average shower is fifteen minutes in length. Women might take longer than that and men will probably take less time, but it gives us an average that is probably reasonable for our purposes and will illustrate our point. Now we will assume you are using a modern low-flow shower head that dispenses one gallon of water per minute. There are models that use as little as a half gallon of water per minute that would save even more.
So, the bottom line is that an average bath will use about 30 gallons of water and an average shower will only use about fifteen gallons. It is obvious that the choice is pretty clear for those that want to conserve resources, a shower is the way to go. Again, this is all based on the assumption that you are using a low-flow shower head. If not, what are you waiting for? Go to your nearest hardware store and pick one up today. They only cost a few dollars and the difference you can make is substantial.
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