How Do They Dye 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. A time for wearing green so bright you practically become a walking shamrock, for downing pints of Guinness until you see leprechauns, and for...dyeing a whole darn river green? Yes, friends, that's a Chicago tradition as unique (and maybe slightly more eco-friendly) as deep-dish pizza. But how exactly does a city turn its waterway into a shamrock shake? Let's dive in, shall we?

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

The story goes a little something like this: it all started with a plumber, a green stain, and a whole lot of "Eureka!" In 1961, a Chicago plumber named Steve Bailey noticed his overalls were a rather suspicious shade of green. Turns out, the culprit was a special dye plumbers used to track down sneaky leaks. Now, this wasn't just any green, mind you. It was a vibrant, shamrock-worthy green that practically screamed "St. Patrick's Day!" Steve, being the creative fellow he was, saw an opportunity. Fast forward to 1962, and the Chicago River was taking its first plunge into the world of green.

Secret Weapon: The Not-So-Secret (But Still Pretty Cool) Green Goo

Now, you might be wondering what kind of magical potion turns a river green. Well, the exact recipe is a closely guarded secret by the Chicago Plumbers Union (those crafty devils!). However, we do know a few things. For one, it's supposedly an orange vegetable-based powder that undergoes an aquatic color change upon contact with the water. Think science experiment with a festive twist! Forty pounds of this special powder, along with a whole lot of stirring (courtesy of two handy motorboats), is all it takes to transform a quarter-mile stretch of the river into a St. Patty's Day masterpiece.

The Greening Process: A Shamrock Shuffle on the River

Dyeing the river is no small feat. It's a well-orchestrated performance, like a synchronized swimming routine with a green twist. A crew of six plumbers, often descendants of the original dyeing families (talk about a family tradition!), take to the water in two boats. One boat dispenses the special powder, while the other churns the water to create that uniform, eye-catching green. The whole process takes about two hours, and let's just say it's a sight to behold.

So, Does the River Turn into a Toxic Soup?

Thankfully, no! The dye used is environmentally friendly and fades away within a day or two. The Chicago River may not be winning any beauty pageant awards, but at least it gets its own special St. Patrick's Day makeover without any lasting harm.

So there you have it, folks! The next time you see a picture of the emerald green Chicago River, you'll know it all started with a plumber, a lucky stain, and a whole lot of Irish spirit. Now, if you'll excuse me, I have a sudden urge to dye my hair green and hunt for a pot of gold. Happy St. Patrick's Day!


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