National Day

National Waterpark Day

Celebrated on 07/28/2026

Quick Fact

National Waterpark Day, celebrated on July 28th, was created by a waterpark industry group to promote summer fun. The world's largest waterpark, Disney's Typhoon Lagoon in Florida, spans 56 acres and features a 2.75-million-gallon wave pool.

Origins and Establishment of National Waterpark Day

National Waterpark Day was established in 2017 by the World Waterpark Association (WWA) to recognize the joy and economic impact of waterparks. The date, July 28th, was chosen to coincide with the peak of summer vacation season when waterpark attendance is highest. The WWA aimed to encourage families to visit local waterparks and celebrate the unique experiences they offer.

Evolution and Modern Commemoration

Since its inception, National Waterpark Day has grown in popularity, with many parks offering special discounts, events, and extended hours. Social media campaigns using #NationalWaterparkDay have amplified the celebration, encouraging visitors to share photos and memories. Today, the day is marked by themed activities, live entertainment, and community gatherings, highlighting the evolution of waterparks from simple pools to elaborate themed attractions with wave pools, lazy rivers, and high-speed slides.

Facts & General Observations

  • There are over 1,000 waterparks in the United States, generating more than $3 billion in annual revenue.
  • The world's tallest water slide, "The Summit" at the BGT Waterpark in Brazil, stands at 50 meters (164 feet) high.
  • Waterparks employ approximately 100,000 seasonal and year-round workers in the U.S. alone.

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