how much does swimming pool water cost


Author: Poolking - Swimming Pool Equipment Manufacturer

Swimming Pool Water Cost: How Much Does it Take to Keep Your Pool Running?

If you have a swimming pool, you already know just how much of a delight they are. The perfect venue for parties and gatherings, a pool is also the ideal place to relax, keep fit, and enjoy a refreshing swim. But as with any other amenity, owning a pool comes with its own set of responsibilities and maintenance costs. One such responsibility is the cost of swimming pool water. So, how much does it cost to keep your swimming pool filled? Read on to find out.

Why Is Pool Water Important?

Before we delve into the cost of pool water, it's essential to first understand why pool water is so critical. Analyses show that the average human body consists of approximately 60% water. This makes it necessary for humans to consume water regularly, particularly during moments of physical activity when we lose water through sweat. Pools are no different. Chemicals, sunlight, and physical activity all have a negative impact on pool water quality, and without proper treatment, pool water can become contaminated and potentially hazardous.

The Cost of Pool Water - What Do You Need to Consider?

When it comes to the cost of pool water, several factors influence the price. These factors include:

1. The Cost of Water in Your Area

The cost of water in your area is the most significant determining factor of the overall cost of pool water. Every area has its own unique source of water and treatment process or billing method that impacts the cost, so it's smart to find out the precise details from your local water company to determine the cost of filling your pool.

2. Pool Size

The size of your pool is another significant factor that influences the amount of water required to fill it. The larger the pool, the more water is needed, meaning that you'll pay more money to fill it.

3. Water Loss

Water loss from evaporation is a common occurrence when you have a pool, particularly in drier regions. Additionally, leaks and splashing can also cause water loss, making it necessary to add more water to your pool regularly.

4. Chemical Treatment

Chemicals are a crucial part of maintaining your pool's water quality. These chemicals can be expensive, and you'll need to purchase them regularly to keep your pool's water clean and safe.

5. Filters, Pumps, and General Maintenance

Maintaining and cleaning your pool is crucial to keep the water quality high, but it also comes with its own costs. This includes the costs of water treatment products, pool cleaners, and other items required to maintain your pool.

Calculating the Cost of Pool Water

Calculating the cost of pool water can be done using a simple formula:

Total Volume of Water Required to Fill the Pool x Price Per Gallon of Water + Cost of Chemicals and Additional Items Required for Maintenance

For example, if your pool requires 20,000 gallons of water, and the price is $0.013 per gallon, the cost of filling your pool would be around $260. Add the cost of chemicals, filters, pumps, and regular maintenance costs, and the total cost of running a pool can add up to thousands of dollars annually.

Tips to Reduce Pool Water Costs

Several tips and strategies can help reduce the cost of pool water:

1. Use a Pool Cover

A pool cover can significantly reduce water loss from splashing and evaporation, which can extend the life of your pool water, saving you money.

2. Install an Automatic Pool Filler

An automatic pool filler can ensure that your pool is never empty or overfilled, adding water when necessary, which can help maintain pool water levels and reduce water loss and waste.

3. Switch to a Salt Water System

Saltwater systems can be more cost-effective over time, as they require fewer chemicals and can save on cleaning costs.

4. Practice Regular Maintenance

By ensuring that you keep up with regular cleaning and maintenance tasks, you can prevent losses from algae and other contaminants, which can keep your pool chemically balanced and reduce chemical costs.


Maintaining a pool can be very rewarding, but it also comes with a significant financial commitment. Whether you're a seasoned pool owner or considering purchasing one, it's wise to take into account the costs associated with owning a pool, including pool water costs, to ensure you have the right budget and resources to maintain your pool correctly over time.


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