A swimming pool is a container filled with water intended for swimming or some water-based recreational activity. It can be built either above or in the ground in many shapes and sizes. Any attractive swimming pool needs to have an attractive design.

A swimming pool can be built from materials such as concrete, metal, plastic or fiberglass. An appealing swimming pool design can be made with flights of steps, pots of abundance and scroll design. According to the Guinness World Records, the largest swimming pool falls in the area of orange county, Newport Beach, CA, US. A lot of money has been spent by many health clubs, fitness centers and private clubs to get a very attractive design.

Pools, used by many people or the general public, are called public pools, while pools, exclusively used by a few people or in a home, are called private. Many hotels and massage parlors have public pools for relaxation. They can attract more people only if they have an attractive swimming pool design. Hence, they put in a lot of money and power in order to get the correct design.

Chemical disinfectants such as chlorine or bromine are often used in swimming pools to prevent growth and spread of bacteria and viruses. In the area like Orange County, Seal Beach, CA, US, additional filters are also used to prevent growth and spread of insects and algae in the water. Moreover, they are constantly reviewing their swimming pool according to the advice by the engineers. The swimming pools can also be made without chemical disinfectants by using a bio-filter with additional carbon filters and UV disinfection.

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In an area like orange county, Newport Beach, CA, US, the swimming pools became very popular in the mid-19th century. The oldest surviving swimming club in the world is believed to be the Arlington Baths Club in the area of orange county, Foothill Ranch, CA, US. Swimming pools are also used for diving and other water sports, as well as for the training of lifeguards. All these activities can be carried on in the correct manner, only if a swimming pool design is according to the standards.

Most pools in the world are measured in meters, but in Orange County, Dana Point, CA, US, pools are measured in feet and yards. However, the international standard is meters. Most pools are between 10 meters and 50 meters wide. The depth of a swimming pool depends on the purpose of the pool, and also whether it is open to the public or strictly for private use. A swimming pool design needs to take into consideration the depth of the pool as well. Private pools are usually smaller than public pools.

Many countries now have strict pool fencing laws for private swimming pools. According to the laws, pool areas need to be isolated so that unauthorized children younger than six years cannot enter. Many public swimming pools are rectangles of 25 meters or 50 meters long. They are in different shapes and sizes as per the requirements. In the last two decades, a new swimming pool design has gained popularity. It consists of a vessel, which is usually about 2.5 meters x 5 meters, where the swimmer swims in place, either against the push of artificially generated water current or against the pull of restraining devices. These pools have several names, such as swim spas, swimming machines or swim systems. They represent different modes of resistance swimming.

Natural pools were developed in some countries by designers and landscape architects keeping in mind all the environmental concerns, while designing a specific swimming pool.