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Writer's pictureCorbin Moyer

Backflow Horror Stories That Prove Friday the 13th Is Cursed for Plumbers


Backflow

Friday the 13th: a date drenched in superstition, spooky tales, and, for some unlucky folks, plumbing nightmares. As a plumber and backflow expert, I’ve seen my share of water woes. But when those woes align with this infamous date, it’s as if Murphy’s Law and folklore conspire for maximum chaos. Let’s dive into the wild world of backflow disasters that happened on Friday the 13th and explore how these real-life horrors unfolded.


What Is Backflow and Why Does It Matter?


Before we delve into the nitty-gritty, let’s clear the water, so to speak. Backflow happens when the flow of water reverses direction in a plumbing system. This can lead to contaminated water mixing with clean water—an absolute disaster for health, safety, and property.


Backflow occurs primarily in two ways:

  1. Back Siphonage: A sudden drop in water pressure causes contaminated water to be sucked into the clean water supply.

  2. Back Pressure: When pressure in a non-potable system exceeds the pressure in the clean water system, forcing dirty water into the potable supply.


The stakes are high, which is why prevention devices and regular maintenance are essential. Unfortunately, when things go wrong, they can go very wrong—especially on Friday the 13th.


Case #1: The Pool Party Gone Wrong (Friday, July 13, 2018)


Picture this: A sweltering summer day in a quiet neighborhood in New York. Families are gathered around their backyards, cooling off in pools. Then, disaster strikes. A backflow incident at a local water main contaminated the neighborhood’s water supply with chlorine and other pool chemicals.

What happened?


A cross-connection—where the clean water supply and a non-potable source meet without proper backflow prevention—allowed chemicals from a private pool’s filtration system to reverse into the municipal water. The result? Dozens of households experienced water that smelled like bleach and wasn’t safe to drink.

The event was chalked up to insufficient maintenance of a homeowner’s backflow prevention assembly. The town’s water authority issued a boil water notice, and residents spent the weekend sweltering without safe drinking water.


Moral of the story: A properly installed and tested backflow prevention device is worth its weight in gold—especially when Friday the 13th rolls around.


Case #2: Industrial Chaos in California (Friday, April 13, 2001)


Industrial backflow incidents are rare, but when they happen, the consequences can be catastrophic. On Friday, April 13, 2001, a chemical plant in California’s San Joaquin Valley accidentally released pesticide-laden water into the city’s drinking supply.


The cause?


A combination of back pressure and a failure in the facility’s backflow prevention system. During routine maintenance, a valve malfunctioned, allowing the plant’s water—laced with hazardous chemicals—to flow back into the municipal water lines.

Residents reported foul-smelling, discolored water coming from their taps. The city acted quickly, issuing a do-not-drink order and dispatching emergency crews to flush the system. Cleanup costs soared into the millions, and lawsuits followed.


Lesson learned: Backflow prevention isn’t just a residential issue. Industrial facilities must rigorously maintain their systems to protect public health—and prevent PR disasters.


Case #3: The Hotel Horror (Friday, January 13, 2017)


For travelers, hotels are supposed to be a home away from home. But guests at a high-end hotel in Chicago got more than they bargained for on Friday the 13th in January 2017.

During a routine plumbing repair, a backflow incident caused sewage to enter the hotel’s potable water system. The contaminated water made its way to taps and showers, exposing guests to potential health hazards.


What went wrong?


The repair crew failed to isolate the plumbing lines properly, and the building’s aging backflow preventers couldn’t handle the sudden pressure change. The hotel faced a public relations nightmare and costly repairs, not to mention the risk of legal action from affected guests.


Takeaway: When plumbing work is involved, isolating lines and ensuring backflow prevention devices are in working order is non-negotiable. Friday the 13th doesn’t care if you’re running a luxury hotel.


Why Friday the 13th?


Is there something about Friday the 13th that invites plumbing pandemonium? Probably not. The date itself is unlikely to cause a backflow preventer to fail, but the cultural weight of the superstition can’t be ignored. Stress, rushed decisions, and overlooked details can all contribute to incidents. And when those incidents happen on a day already associated with bad luck, they tend to make headlines.


How to Prevent Backflow Disasters


Avoiding backflow nightmares isn’t rocket science, but it does require diligence. Here are a few tips:


Regular Testing and Maintenance


Backflow prevention devices, like RPZ (Reduced Pressure Zone) valves, should be tested annually by licensed professionals. Regular maintenance can catch small issues before they turn into catastrophic failures.


Know Your System


Understanding where cross-connections exist in your plumbing system is crucial. This applies to homeowners, businesses, and industrial facilities alike.


Trust the Experts


Hire licensed plumbers and backflow testers. They’ll ensure devices are installed correctly and up to code.


Public Awareness


Municipalities should educate residents about the importance of backflow prevention. Awareness can make a world of difference in preventing disasters.


Conclusion


Friday the 13th may not be cursed, but it’s certainly earned its reputation for chaos when it comes to backflow disasters. Whether it’s pool chemicals, industrial chemicals, or sewage finding its way into drinking water, the consequences are nothing short of horrifying.


As a plumber, I can’t stress enough the importance of maintaining and testing backflow prevention devices. So, the next time Friday the 13th rolls around, don’t leave your plumbing to chance. Because when bad luck strikes, it’s better to be prepared than to wish you’d been.


Citations:

  1. "Water Contamination Incident in New York," ABC News, July 2018.

  2. "Industrial Backflow Disaster in San Joaquin Valley," Los Angeles Times, April 2001.

  3. "Chicago Hotel Plumbing Failure," Chicago Tribune, January 2017.

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