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Legionnaires’ Disease in Flint Tap Water

Eric Roy @ Monday, February 5, 2018 at 7:20 pm -0500

Eric Roy, Ph.D. 

A new report was released which confirmed that an outbreak of Legionnaires' disease in Flint, Michigan that killed 12 people and sickened at least 87 during 2014 and 2015 was likely caused by low chlorine levels in the municipal water system. It's another example of Flint's broader water crisis that resulted from widespread incompetence and fraud. We will add to this article as more questions come in.

What Is Legionnaires' Disease?

Legionnaires is a pneumonia, caused the bacterium Legionella pneumophila. Legionella pneumophila grows in water, and can enter the lungs through tiny water droplets. If a person doesn't have a robust immune system, they can become very sick, or even die.

Where Is Legionella Found?

According to Marc Edwards (A professor at Virginia Tech), Legionella is found in about 25 percent of all water samples collected nationally. It's a common bacterium, but it's usually kept under control in municipal water.

How Is Legionella Typically Controlled In Municipal Tap Water

In properly treated municipal water, Legionella is kept under control by chlorine-based disinfectants, so the bacterium cannot reach dangerous levels. In Flint, it appears that not enough chlorine was added to the water to leave enough residual chlorine to keep the bacterium under control, which is what caused the Legionnaires' outbreak in Flint.

Is Flint Still At Risk Of Legionnaires Disease?

According to Edwards, chlorine in Flint's water is now at the correct level, so the likelihood of Legionnaires' disease popping back up is minimal. It is our opinion at Hydroviv that concerned Flint residents should take every piece of advice issued by Dr. Edwards. If he says that there is enough chlorine, there is enough chlorine.

Other Articles We Think You'll Enjoy:
3 Years Of Hell: Reflections of a Flint Water Crisis Victim
Largely Unreported Water Quality Crisis Underway In Flint Michigan
Tap Water Chlorination: What You Need To Know

3 Years of Hell: Reflections From a Flint Resident

Analies Dyjak @ Thursday, April 27, 2017 at 10:31 pm -0400

LuLu Brezzell  |  Guest Contributor

Editor's Note: This article is part of an initiative to include stories on our blog that connect water quality issues to the everyday lives of real people. To raise awareness of the 3 year anniversary of the beginning of the Flint Water Crisis, Flint resident LuLu Brezzell describes the roller coaster ride that her family and fellow Flint residents went through once they realized that their water was not safe to drink. Ms. Brezzell was gracious enough to share her story with our audience, and was not paid to do so.

Fear

Fear, the feeling that takes over when you are told that your water source that flows into our home was filled with lead and bacteria. The same water we have been using to drink, cook with, and bathe. Fear, the feeling of knowing that your children may have been exposed to an invisible, tasteless, odorless poison that can cause irreversible damage. As a parent, there is no greater fear. 

This is the same fear that I'm sure every single member of my community felt.

What Happened?

Three years ago, as part of a cost-cutting measure, a state-appointed emergency manager made the decision to switch Flint's drinking water from Detroit's municipal water to the Flint River. Flint's water plant hadn’t treated raw water in decades, never mind the fact that it was not equipped to manage industry standard corrosion control measures that would prevent corrosive river water from eating away at Flint's aging infrastructure.

On the day of the water supply switch, the emergency manager, mayor and other council members all gathered at the Flint Water Plant, and ceremoniously toasted each other with glasses of the new tap water.

Who could have expected that this toast would mark the day that our city lost its access to clean safe water?

Visible Symptoms Hinting At A Much Larger Citywide Problem?

Soon after the switch, my youngest child, who wasn’t even two years old, started to have serious issues with her skin, including persistent rashes that OTC treatments couldn't stop. She was eventually prescribed a steroid ointment that slathered onto her, and wrapped her up like a mummy with plastic wrap. It was horrible, in part because we had no idea what was causing the problem.

Here's the short answer: It was the water she was bathing in.

Shortly thereafter, we had the US CDC, EPA, MDEQ and other agencies all in our home, taking water samples and asking questions in an attempt to diagnose what was causing these issues. We weren't alone in this, it was happening all over our City. It was like watching a horror movie, where you have no idea what was going to happen next.

Our city was in the midst of a widespread water contamination emergency.

An Inspiring Call For Help

My other daughter (8 years old at the time) became very concerned with what she saw happening in Flint, and felt like she needed to do something. Here I am feeling helpless and my child is begging me to let her do something to help.

So help we did! We participated in protests and rallies to raise awareness of the water crisis. We would go out and find people passing out water and jump in a volunteer with them. We made videos and took pictures that we could share on social media.

One day we heard about a bus traveling from Flint to Washington, DC for the congressional hearing for Governor Rick Snyder. My daughter thought that if we were going to go to Washington, DC... it would probably be worth it to write a letter to (then) President Obama. About a week before the trip, she sent the letter, and I was careful to remind her that President Obama was very busy, and that he probably wouldn't be able to read it. The trip to DC came and went as planned, and a good learning experience.

But soon after we returned to Flint, we got a call...

From the White House.

President Obama was touched by her letter and wanted to come to Flint to meet her and to see first hand what was being done for the water crisis.

Flint In The National Spotlight

When that letter was released so much changed, because The Flint Water Crisis was now in the spotlight. Up until that point, I had been begging outside groups to come in and do testing (we didn't trust the testing that the city was conducting). Once the story hit the national news, things changed. We were getting emails and messages offering us water filtration systems, testing, and other products. It was so hard to keep up with everything. I was overwhelmed but grateful that finally it felt like someone was listening and wanting to help.

Navigating Conflicting Voices In A Storm Of Information

Unfortunately, some people saw the media spotlight and chaos as an opportunity to make a name for themselves, or even worse... profit from the situation.

Like anyone, I wanted answers and was willing to listen to everyone who claimed to have a solution that could fix our problem. It's easy to look back and say that I should have focused on certain opinions and ignored other voices, but it's important to remember that at the time... it was complete chaos, and even though we were grasping at straws, we were hopeful that the next straw grasped could be the solution we were looking for. 

Looking back, I feel fortunate that while others were making names for themselves, an outsider with no ties to Flint was willing to remain in the shadows while helping me weed through and understand all of the information. 

What Lies Ahead For Flint's Tap Water?

It's been 3 years since Flint made the fateful water supply switch that turned an entire city upside down.

Unfortunately, it's much easier to make a mess than it is to clean it up. 

Our city's pipes are irreparably damaged, and we're learning that it's not as easy as digging them up and replacing them. Precautions must be taken in the meantime to ensure that no addition exposure occurs as the pipes are swapped out. It's also important to remind ourselves that replacing the service lines will not do anything to fix any lead-containing solder, valves, or plumbing fixtures inside our homes. The official recommendation is that we continue to filter our water for lead, but I know that some residents continue to rely on bottled water.

Another problem that has gone largely unpublicized is that the city is having a hard time maintaining disinfectant levels in the water, which means that some areas have noticeably high chlorine levels while other parts of the pipe network have virtually no residual chlorine to keep the water sterile.

Right now, several city and state officials are under investigation for the alleged roles they played in the Flint water crisis.

Tap water is something that most of us take for granted, but producing clean water at the municipal level is more complicated than most realize. Because of what we have gone through, I don’t think I will ever trust tap water ever again. 

What's Changed In Our Home?

In the year since the letter not much has changed regarding how we use water. We still don’t use the tap water at our house for consumption. Showers are limited to 2 minutes because of how sensitive my families skin is to the water, even when filtered. Bottled water is still a very big part of our everyday lives. As much as an inconvenience as it is to constantly open up bottles of water it has almost become second nature. 

On the activism and awareness front, my daughter is still doing her part to raise awareness of water quality issues, and to be a voice in support of quality science.

Other Articles We Think You'll Enjoy

Pittsburgh's 2016 Citywide Lead Levels Exceed EPA Standards
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4 Things To Know Before Testing Your Home’s Water For Lead

Analies Dyjak @ Thursday, December 29, 2016 at 12:58 am -0500

Eric Roy, Ph.D.  |  Scientific Founder

Since the lead crisis in Flint put lead contamination in the national spotlight, our Tech Support Team is frequently asked questions about testing a home’s water for lead.   Many who reach out to us do so after having been duped by "testing companies" looking to make a quick buck.  This article discusses how to test your home's water for lead accurately & cost-effectively.  

Check For Free City Programs

Some large cities (like Washington DC, NYC, Chicago) have programs in place where residents can submit samples to the city for free lead testing.  We strongly encourage people to take advantage of this free service if it's available to them.  

Ignore Marketing Gimmicks And Find An Accredited Laboratory For Lead Testing

Most of the consumer “test kits” you find at hardware stores or large online retailers are almost always for low cost “screening” tests that are notorious for false alarms and inconclusive results, which allows the lab to upsell you on a more sensitive and accurate test.  Don't be fooled by marketing claims that a kit is "EPA Recognized" or "Tests to EPA Standards"... they don't mean anything.  With lead, you should simply find an accredited water quality lab in your area, and request their test kit.   We recommend finding a lab that uses EPA Method 200.8, which is an Inductively Coupled Plasma, Mass Spectrometry (ICP-MS) based method that gives accurate results at low concentrations.  

Sample Properly From The Faucet 

Because lead contamination occurs when water sits in lead-containing plumbing pipes, solder, and connections, it’s important that you sample from the faucet and collect at a time when your home’s water has not been used for at least 6 hours (like first thing in the morning)

We recommend collecting 3 samples:  one as soon as you turn on the faucet (also known as a "first draw"), and separate samples after the water has been running for 30 seconds, and 2 minutes.   The reason for collecting multiple samples in this interval is to sample water that sat overnight in different parts of the home’s plumbing and service line. 

Get Help Interpreting Lead Test Results

If all samples come back at zero, you’re probably in the clear for lead.  This is a good thing!

If any of the samples come back above zero, the interpretation gets quite a bit more complicated because EPA’s statements on lead toxicity and regulations are not in alignment.  On one hand, EPA states that there is no safe level of lead, which would imply that lead concentrations should be zero.  However, EPA has established a 15 ppb “Action Level” for lead… which most people (and some media outlets) interpret to mean “if my water is under 15 ppb, it’s safe.”  Unfortunately, that’s simply not true, because the 15 ppb Action Level threshold was established to tell whether or not city-wide corrosion control measures are having problems, not if a single sample contains too much lead.  Furthermore, the EPA allows for up to 10% of samples collected under the Lead and Copper Rule to test above the 15 part per billion Action Level (with no upper limit), and the city remains in compliance.

The reality is, if your water has lead in it after letting water sit in pipes for 6 hours or more, we highly recommend taking steps to reduce exposure, whether it's using a point of use water filter that is rated to remove lead, or allowing your water to run for 2 minutes before using it for drinking, cooking, or washing food.  

We encourage everyone to take advantage of Hydroviv’s “Help No Matter What” approach to Technical Support when it comes to water.  Even though we do not offer lead testing, our water quality experts are happy to give advice through all stages of the lead testing process, free of charge, to make sure that you get answers in the most efficient way possible.  We do not take money from test labs for referrals.

Related Articles:

Does New York City Tap Water Expose More People To Lead Than Flint?
Pittsburgh's Lead Level Exceeds EPA Limits In 2016

Does Your Home's Pre-2014 Plumbing Contain Lead?

Things To Know Before Replacing Your Home's Lead Service Pipe

Analies Dyjak @ Tuesday, November 15, 2016 at 10:00 pm -0500
6.1 million homes in the United States still use have a functioning Lead Service Line to deliver municipal water into homes. The EPA recently announced that it will allocate $2.9 billion in the Bipartisan Infrastructure Law funding to states, Tribes, and territories for lead service line replacement in 2022. While lead pipe replacement programs can be a great long-term solution to eliminate a source of lead contamination, it doesn’t make all problems go away. Here's the lead water service pipe information you need to know if you are considering replacing your home's lead service pipe:

How Does Lead Enter Drinking Water?

Analies Dyjak @ Sunday, July 17, 2016 at 8:26 pm -0400
With the spotlight on the ongoing lead crisis underway in Flint, Hydroviv has been getting a lot of questions about lead in drinking water. In various discussions, it has become clear that most people don't understand how lead enters drinking water, and how it's regulated at the federal level. Most people are surprised by the number of samples collected, and that most cities don't collect samples every year. The goal of this article is to explain the rule that regulates municipal water providers, and to help our readers understand what causes lead contamination in drinking water.