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How Much Water Does A Small Household Use?

Updated: Sep 6


A household of one person uses about 80 – 100 gallons of water per day on average. The most considerable amount of water is used for flushing toilets, taking showers and baths, and faucets.




Water is an essential resource for everyone. But even the smallest of households can waste a lot of water every day. Therefore, it is imperative to stay conscious of the amount of water you use.


Want to learn more about the usage of water in a small household?


Read our guide below to identify the most significant water consumers in your home and how you can control wastage.


Toilet – 25 gallons per day


Low-flow toilet models use 1.6 gallons of water per flush. But conventional toilets can use anywhere from 5 to 7 gallons per flush. An average person flushes five to six times a day, which can amount to 9.6 gallons if you use a low-flow toilet.


Although it might not seem like a big deal, toilets can waste a lot of water. But there are various ways by which you can save water.


For instance, you can get a low-flow toilet that uses 1.6 gallons of water. You can also put a plastic water bottle filled with water in the toilet tank. The added volume will reduce the amount of water needed to fill up the tank. Ultimately, it reduces the water used in every flush by up to 10 gallons.


Make sure you don’t flush out things such as tissues or other bathroom waste. You should toss them in the garbage can.


Shower - 20 gallons per shower


The average showerhead pours out 2.5 gallons of water every minute. With the standard showers estimated at 8 minutes long, that means 20 gallons for a shower. For baths, the average person uses about 30 gallons and about 40 gallons if they use a bathtub.


Showers save more water than baths, but they too can waste water. Although it is good to indulge in the water once in a while, long showers shouldn’t become a habit. You should only shower long enough to clean yourself. Or turn off the shower while you are not actively using it.


You can also use a water saving showerhead like Oasense since they contribute towards water conservation efforts at home and save their users money in the long run.


Leaks – 90 gallons per day


About 10% of American households lose 90 gallons of water per day in leakages. It could be leakage from a worn-out toilet flapper, an old faucet gasket, a leaking showerhead, or all of them.


Your faucet might be dripping, and you might end up ignoring it. However, little drops can make up a lot of water wastage. Leaky pipes can also add to the overall water bill.


Water dripping from the sink can leave marks on the carpet, floors, and cabinets, eventually requiring replacement.


To deal with leakage problems, you should be diligent in fixing the leaks at your home. Don’t ignore the leaks. They can start from gaps in the flush valve, damaged seals, and flush valves having small cuts.




Faucet – 20 gallons per day


The average faucet pours 2.5gallons per minute., while the low-flow ones pour 1.5gallons per minute. An average person uses their faucets for approximately 8 minutes every day. So in total, a household of one uses about 20 gallons in faucets.


Sure, it is important to wash dishes and brush teeth. However, it is very easy to waste water during these activities. Instead of closing the faucet, such as when using the floss, we are likely to leave the water running.


But when you save water, you save money. Therefore, make sure the faucets don’t run while doing tasks such as shaving, brushing your teeth, or scrubbing your face.