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Faucet water usage and cost

A faucet is a device that controls the flow of water from the water pipes.

We have the choice to install the correct faucets that deliver the water we need without unnecessarily wasting water.

It is important to learn how much water do our faucets deliver and what can we do to save water.

How much water does a faucet use

It is rather easy to find out the water flow of a faucet and get to know if they are wasting or conserving water.

Tap water usage

We have measured our bathrooms faucets water flow and discovered that they were using far too much water. 

To avoid wasting water we have installed some eco tap aerators and decrease the water usage from 10 liters per minute to 3,8 liters per minute.

You may want also to have a look this YouTube video where we explain how much water does a tap aerator save and how to install a water saving tap aerator.

Water saving tap aerator

Faucet water cost calculator

The calculator below can be used to estimate the faucet water flow, the water usage and cost over a period of time.

You just need to adjust the values in the PARAMETERS section to your requirements and the calculator will automatically display the RESULTS section.

 

To use the calculator you need to know how much you are paying for cubic meter, gallon or any other water measurement unit that it is used in your country.

If you don’t have this information, have a look to the information we provide below.

How much does water cost

On your contract or water bill you should be able to find how much you are paying per every cubic meter or every gallon of water you use.

The water cost will depend on what country or city you live.

According to this water prizes survey article, the areas with the most expensive water are North America and Western Europe. While areas like South Asia, Middle East and North Africa have the cheapest water. 

On to this other european cities water prize article, it can be appreciated the big prize difference between countries in Europe. From Italy with the cheapest water cost and 0.40 euro per cubic meter to Norway with the most expensive water at 5.51 euro per liter.

Liters to US gallons calculator

We know that not everyone uses liters so if you are from the US you can use this calculator to convert liters to US gallons.

 

Liters to UK gallons calculator

Equally, if you are from the UK you can use this calculator to convert liters to UK gallons.

 

Water usage calculators

A few other examples from our ‘Water usage and water cost calculators‘ page that may be of your interest:

How to use less water at home

We have a page dedicated to explain how to save water at home.

As an example, see below a few examples and videos on how to use less water at home and save money.

How to install a shower water flow regulation valve

If you are interested on learning how to reduce your bathroom’s water consumption, have a look this post and this other video on how to reduce your shower’s water consumption by installing a flow reduction valve.

Water flow regulation valve

How much water does a dishwasher save

Additionally, you may want to have a look the the post where we review what is more efficient, washing the dishes by hand or using the dishwasher.

Dishwasher electricity and water usage

Proven ways to save water at home

If you are looking for ideas to save water at home, have a look to this YouTube video were we show some useful tips to reduce the water usage at home and decrease the water bill. 

Proven ways to save water at home

Faucet water usage FAQ

How much water does a faucet use per minute

It does depend on factors like the water pressure, if the faucet has an aerator installed, if the water regulation valve is fully open…

It is rather simple to calculate the water flow rate by using the calculator we have provided on the ‘water cost calculator’ section.

How much water does a leaky faucet use

A leaky faucet losing one drop of water per second would mean:

> An additional water usage of 8.6 liters per day

> Or an additional water usage of 258 liters per month

>Or an additional water usage of 3,319 liters per year

Can a dripping faucet increase water bill

Yes, a dripping faucet will increase the water bill.

A dripping faucet losing one drop of water per second would waste over 3,000 liters of water per year.

Depending on where you leave, the additional cost would vary between some cents to a few euro/pound/dollars…

How much water does a leaky faucet waste per day

It depends on how much water does the leaky faucet waste.

According to our measures, one single drop of water per second would waste 8.6 liters day.

A more serious leak of 10 drops per second would already mean a considerable additional water usage of over 80 liters per day.

How much water does a faucet aerator use

It depends on factors like the water pressure at home and the type of faucet aerator installed. 

The water usage of the faucet aerator should be described on the specifications.

tap aerator water usage

How much water does a faucet aerator save

It depends on how much water the tap is using before installing the tap aerator and how much water does the tap aerator let’s to flow.

If you measure your tap water flow before installing the tap aerator and it has a flow of 20 liters per minute, by installing the tap aerator from the picture below you would be saving around 6 liters per minute.

tap aerator water usage

Faucets and the importance of water conservation

Water conservation can be defined as the decision and the act of using less water

Water conservation both benefit you and the environment  

The act of saving and conserving water does benefit you because you will be paying less on your water bills. 

And it also does benefit the environment because conserving water prevents any unnecessary waste of natural resources.

Now, at individual level it may not look worth to try to save a few litres or gallons here or there. 

Still, every little counts and if hundreds or thousands of us do save a little every time, it will make an important contribution towards conserving our natural resources.

Water conservation calculator

 

For example, if 9000 households would manage to save as little as 5 liters of water per day:

> Collectively, we would be saving over 16,000,000 liters of water per year!

> Collectively, assuming a cost of 2 euro per cubic meter of water, we would be saving nearly 33,000 euro per year!

It is clear that small water savings do really count when looking into the bigger picture.
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