How Do They Make The Chicago River Green

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The Emerald Isle Invades the Windy City: How Does Chicago Dye Its River Green?

Ah, St. Patrick's Day in Chicago. A time for green beer, festive shenanigans, and the question that plagues non-Chicagoans every year: How on Earth do they turn that river green?

Fear not, curious leprechaun hunters! Unlike a magician revealing their secrets (spoiler alert, it's all misdirection), we're happy to spill the (emerald) tea. But first, a little backstory.

From Plumber's Woes to Emerald Hues: The Accidental Inspiration

The legend goes like this: in 1961, a Chicago plumber named Stephen Bailey (clearly a man with a name fit for folklore) noticed something peculiar. His overalls - usually a distinguished shade of navy - were stained a vibrant green. Now, some folks might just chuck those in the wash, but Bailey, a man of vision (and perhaps a touch of whimsy), saw an opportunity.

This wasn't just any green, mind you. This was a verdant, shamrock-worthy green suspiciously similar to the dye used to track leaks and, ahem, less savory discharges in the river. A lightbulb went off brighter than a green top hat (because apparently those exist).

"Eureka!" Bailey exclaimed, probably not really, but you get the idea. With the blessing of the then-mayor (who, one can only assume, had a healthy appreciation for theatrics), the Chicago River dyeing tradition was born.

From Toxic to Terrific: Dyeing with a Conscience

Now, in those early days, they used the actual plumber's dye. Let's just say it wasn't exactly a recipe for a happy, healthy river. Thankfully, by 1966, Chicago's eco-warriors stepped in and convinced the city to switch to a more environmentally friendly, vegetable-based dye.

Fun fact: The exact recipe is a closely guarded secret, but rumor has it it involves an orange powder that magically transforms into green upon contact with water. Sounds like leprechaun alchemy to us!

The Green Machine: How the Magic Happens

So, how do they turn a murky river into a St. Patty's Day parade float? It all starts with the Chicago Plumbers Union, who continue to proudly sponsor this aquatic extravaganza. On the Saturday before St. Patrick's Day, a crew of brave souls (often relatives of the original dyeing families - talk about a family tradition!) hop on two motorboats.

Here's the breakdown:

  • Boat 1: Dumps the mysterious orange powder into the river.
  • Boat 2: Plays a starring role as the giant whisk, churning the water to distribute the dye evenly.

Think of it as a giant, green-tinted cake batter they're whipping up. Around 40 pounds of powder later, and voila! The Chicago River is transformed into a festive, emerald waterway for a good few hours (the exact duration is another one of those dyeing mysteries).

So there you have it, folks! The not-so-secret secret behind the greening of the Chicago River. It's a tale of accidental inspiration, environmental awareness, and a whole lot of green pride. Now, if you'll excuse us, we have a sudden urge to dye something green... maybe our hair? Just kidding... (or are we?).

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