We are reader-supported. When you purchase through links on our site, we may earn an affiliate commission. Learn more.

Once your pool is delivered and installed, most people can’t wait to swim in it for the first time. But for this it is first necessary to fill the pool with crystal clear, refreshing water.

As a rule, there are a number of individual factors to consider in order to be able to enjoy a carefree time in the cool water afterwards. Among other things, you should clarify whether you want to fill the pool yourself or have it filled by appropriately trained professionals.

Furthermore, one must consider the different costs that each method entails and whether filling with rainwater, well water or tap water is an option.

Pool filling options

Due to the fact that filling a pool can be done in a number of ways, each involving different costs, it makes sense to be aware of them.

For this reason, the following sections will address, among other things, both filling the pool by the fire department and individually performed filling.

Filling the pool yourself

To fill the pool yourself, the first step is to either purchase some tools or check them to make sure they work properly.

Depending on the situation on site, you may need, for example, a pool cover, a pool brush, a multifunctional terminal for freestanding pools, a product against limescale, a degreasing agent for the pool, an algaecide, hoses or a standpipe, pH-Plus as well as pH-Minus, a liquid pool cleaner, a tester for pool water to determine the pool chemistry, a filter pump, a sand or cartridge filter and a pool net.

U.S. Pool Supply Professional Heavy
If you click this link and make a purchase, we earn a commission at no additional cost to you.

In part, these tools also serve the following maintenance of the pool water, so that the filling has a lasting effect.

The classic way to fill the pool yourself is to use a garden hose, which is used to direct the selected water into the prepared pool.

The more you multiply the water supply, the faster the pool is usually filled with pool water, so that usually offers several hoses.

Another way to save time when filling the pool is to borrow a standpipe with a water meter from the responsible water company, so that you can tap the water yourself from the street, if this is offered.

Have the pool filled

To save time or because they are not familiar with the procedure, some pool owners prefer to have the pool filled. In many places, this is why the fire department is contacted, which is why this aspect is dealt with separately in the following section.

In some localities, for example, you can ask the local building yard or the corresponding waterworks whether this service is offered there, although this is handled very individually.

As a rule, in many locations, when drawing water from a hydrant, proper instruction and experience are required first. If drinking water is to be used, it is also mandatory that a water meter is used and the cost is subsequently charged, otherwise it is water theft.

Have the pool filled by the fire department

In many cases, the local fire department is contacted if one wishes to have their pool filled. However, filling is generally not one of the fire department’s official tasks, although they do have standpipes. However, these do not have water meters, so that the withdrawal of drinking water, for example, can not be billed accordingly.

Filling the pool with well water or rainwater

In most cases, the pool is filled with tap water or drinking water, as this is definitely hygienically safe. However, you can also consider filling the pool with well water or rainwater, as this is usually a cheaper option.

With regard to rainwater, however, one should ensure that, among other things, the collection and storage are carried out using the latest technology in a cistern. With regard to well water, there are often very large local differences in terms of water quality, so that a prior test in this regard is useful.

Even in the presence of small amounts of metal, such as iron oxide, a metal neutralizer should be used to prevent discoloration and sedimentation.

Clorox Pool&Spa Scale, Metal &
If you click this link and make a purchase, we earn a commission at no additional cost to you.

Pool filling: Cost

The fees for filling a pool can be divided into drinking water fees on the one hand and wastewater fees on the other. Drinking water charges are incurred when tap water is used to fill the pool.

On the other hand, the fees with regard to wastewater regulation are due to the fact that when the pool is subsequently emptied, the pool water is fed into the sewer system.

Due to the fact that the cost of drinking water varies depending on which supplier you get it from, you should calculate between 1.50 euros and 2 euros for this, whereas with sewage fees you will spend about 4 euros per cubic meter of pool volume.

To calculate the individual price for the respective local situation, this amount is multiplied by the number of cubic meters. If one decides to use well water or rainwater, there will be costs for a modern system and a possible water analysis.

FAQ: Frequently asked questions about pool filling answered

Although one should orientate oneself to the individual circumstances, for example with regard to the water used, there are definitely some basic aspects when filling the pool. These result in frequently asked questions, which are answered in detail in the following sections for a better overview.

How long does it take to fill the pool?

The time needed to fill the pool depends largely on its size or volume and the flow rate. In the case of a conventional faucet, this amounts to approximately 720 liters per hour, which translates into 0.72 cubic meters per hour.
However, it is possible that a common water tap in a house may provide up to 2.5 cubic meters per hour. Normally, for a pool volume of about 42 cubic meters, you should allow at least one day for self-filling, if not more. If the flow rate is increased or if one uses several water outlets, the filling time can be reduced accordingly.

Is it possible to fill the pool without water connection?

The most common method of filling a pool involves both the water connection in the garden, and the garden hose. However, it is also possible to supply the pool with the appropriate water through another tap with the help of a hose.
In some places, local water companies also lend standpipes to be used directly at the street or the local building yard is involved in the process.

Is it possible to fill the pool without a hose?

As a rule, to feed water into a pool, you need either a garden hose or an adequate substitute. If this is not available, it is usually possible to acquire it in a timely manner. Another option may be to involve the local public works department or to borrow a standpipe from the local water company, if these services are offered.

Is there anything to consider when filling the pool for the first time?

There are a few basic steps or factors to consider when filling the pool for the first time. For example, you need a pool water test, a pool net, a filter system, the appropriate pool chemicals, safety goggles as well as a pair of chemical protective gloves, a tarpaulin and ideally a pool vacuum.
First of all, one should connect the filtration system properly after reading the instruction manual of the respective manufacturer. In order to adjust the chemical composition of the water to an ideal value, it is necessary to test it with the help of an adequate product.
After adjusting the pH and shock chlorination, it is also advisable to add an algaecide and flocculant.


When filling your own pool, there are a variety of factors to consider. In a first step, for example, one must clarify whether to use more expensive, but definitely hygienically safe, drinking water or well or rain water. As a rule, not only the water quality but also the technology used must be checked in order to prevent undesirable side effects.

Furthermore, you should make an initial calculation of the costs in advance, which may vary slightly depending on where you get the tap water from. Especially for a larger pool, time to fill is also a factor, as you should generally allow at least one day for this process.

However, if there is the option of using services from the local fire department, on-site water company, or the appropriate public works department, saving time may also come at an additional cost.

Larry has been a true water rat since childhood. Pure pleasure turned into a passion. That's why he is the first point of contact for friends and acquaintances when it comes to pool-related problems. He is an integral part of the PoolHandbook editorial team.