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The Draining of Rivers of America Had an Unintended Side Effect Rarely Seen at Disney World

After nearly two months, Disney completed draining Rivers of America this week. While Disney fans tried to save the river and Tom Sawyer Island’s aesthetic beauty, they will be plowed under to make way for the new Cars and Villains Land.

Rivers of America in Magic Kingdom as demolition continues and water level goes down.
Credit: Video Screenshot, X (Formerly Twitter), @pplcallmeblue

While this will be a sad loss for Magic Kingdom, there is still excitement about what’s to come. However, in the meantime, the loss of Rivers of America has turned Frontierland into a construction zone, and there has been another unintended side effect that Disney did not anticipate.

With the drainage of Rivers of America, some standing water was left at the bottom of the riverbed. With Florida’s hot temperatures, this has become a breeding ground for mosquitoes. For the first time, possibly ever in Disney World history, guests have taken to social media to complain about being bitten in Disney World.

The Magic Kingdom Cinderella castle at Disney World with blue spires on the left and a swarm of mosquitoes against a light background on the right. The image contrasts a magical building with a pest-related theme.
Credit: Disney Dining

While Disney World was built on a swamp, it should be swarming with mosquitoes. However, when the property was being built, Walt Disney turned to General Joe Potter to create a plan to keep the pests away from guests.

Potter was an MIT graduate and an engineering expert. He also served as the governor of the Panama Canal Zone, an area swarming with mosquitoes. Walt Disney and Potter met at the 1968 World’s Fair, and once Walt learned of his background, he hired him immediately.

Wide-angle view of Tom Sawyer Island with a rustic wooden dock, barrels, a rowboat, and surrounding greenery along the Rivers of America. Calm water reflects the trees and structures. Various wooden buildings and a boardwalk are visible in the background, creating a tranquil setting.
Credit: Disney

Potter’s first order of business was to ensure that all the water in the Walt Disney World Resort was constantly moving. If you take a minute and look around, you will see that all bodies of water have fountains to ensure that water is never still. This eliminates mosquitoes’ breeding ground.

In this case of Rivers of America, the standing water is back, and there’s not much Disney can do about it now. Disney started the final process of draining the river this week by removing the remaining sludge at the bottom of the river. This should help to eliminate some of the mosquitoes’ breeding grounds.

mosquitoes in Disney's "The Winged Scourge"
Disney’s “The Winged Scourge”/Credit: Walt Disney Animation

For now, Disney guests will have to deal with another inconvenience caused by the removal of the Rivers of America, and this time, it will itch.

Have you ever been bitten by a mosquito at Disney World? Let us know in the comments.

Rick Lye

Rick is an avid Disney fan. He first went to Disney World in 1986 with his parents and has been hooked ever since. Rick is married to another Disney fan and is in the process of turning his two children into fans as well. When he is not creating new Disney adventures, he loves to watch the New York Yankees and hang out with his dog, Buster. In the fall, you will catch him cheering for his beloved NY Giants.

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