NATIONAL WATERPARK DAY

United States

About

National Waterpark Day, observed on July 28, celebrates the excitement, relaxation, and shared fun found at waterparks. From thrilling slides and wave pools to lazy rivers and splash areas, waterparks offer something for visitors of all ages—and provide a refreshing way to enjoy the height of summer.

The day is an invitation to gather family and friends, try a new attraction, or simply cool off in the water. Whether you are seeking an adrenaline rush or a leisurely afternoon in the sun, National Waterpark Day highlights the joy of making lasting memories together while enjoying one of summer’s favorite escapes.

History

National Waterpark Day is observed annually on **July 28**. It is a modern observance dedicated to waterparks and the recreational, social, and engineering traditions that have made them a major part of summer leisure. The day is associated with National Day Calendar, which lists it as an occasion for recognizing waterparks and encouraging people to enjoy their slides, wave pools, lazy rivers, and other attractions.

The observance reflects a much longer history of organized aquatic recreation. Public baths and swimming facilities existed in ancient societies, while purpose-built swimming pools and amusement attractions became increasingly common in the 19th and 20th centuries. Modern waterparks emerged as a distinct form of entertainment in the latter half of the 20th century, combining swimming areas with engineered slides, artificial waves, rapid rides, and themed environments. The opening of Wet ’n Wild in Orlando in 1977 is widely regarded as an important milestone in the development of the contemporary waterpark industry.

Over time, waterparks evolved from relatively simple pools and slides into highly designed destinations. Advances in ride engineering, water-filtration systems, safety practices, and theming enabled parks to offer attractions for different ages and levels of ability. Many waterparks also became parts of larger resorts, amusement parks, and indoor recreation centers, allowing the experience to continue in regions where seasonal weather limits outdoor swimming.

National Waterpark Day has cultural significance because it highlights waterparks as places of recreation, family gathering, tourism, and shared summer memory. Observed on **July 28**, it falls during a period when many people are seeking relief from hot weather and school holidays are underway in the United States. Beyond celebrating the attractions themselves, the day draws attention to the broader history of aquatic entertainment and to the importance of responsible swimming, supervision, hydration, and adherence to water-safety rules.

Timeline

1976
Disney's River Country opened at Walt Disney World in Florida, becoming Disney's first water park.
1977
Wet 'n Wild Orlando opened in Florida. Founded by SeaWorld creator George Millay, it is widely credited as one of the first modern water parks.
1979
Schlitterbahn New Braunfels opened in Texas, beginning the water-park operation that grew into a major U.S. water-park brand.

Upcoming dates

Sources

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