If there’s one thing we would like to make sure of, it would be the purity of our drinking water. While our city water systems have built-in filtration and purification features, water contamination may still occur.

We must make sure that our drinking water is free of different contaminants—chemicals, dirt, viruses, and most notably, harmful bacteria. This is because this kind of bacteria can cause significant health concerns. One of the most common bacterial contaminants that you can find in water is E. coli.

If you are looking for a filtration system that can protect you from the wrath of E. coli, you may want to consider Reverse Osmosis water system.

But does Reverse Osmosis remove E. coli? The short and simple answer to this question is yes. According to the Centers for Disease Control and Prevention, Reverse Osmosis water filtration systems are considered to be effective in removing bacteria, especially E. coli.

How Does Reverse Osmosis Remove E. Coli?

Reverse Osmosis System starts by applying pressure to water. It facilitates the water to pass through a membrane responsible for filtering the water. The filtration process is made of three stages. These are as follows:

  • The first stage in the process is designed to remove only large solids like dust and other waste substances, ensuring that the water is clean and clear.
  • The second stage of the filtration process involves the removal of smaller chemicals like lead, pesticides, chlorine, and many more. This ensures that the water is pleasant tasting and has no unwanted odors.
  • The bacteria removal process takes place on the third stage of the process. The removal of viruses happens at this stage too. At this stage, a membrane that has pores with the size of 0.0001 microns is used.

The principle behind this process is pretty simple. Sizes of bacteria range from 0.4 to 1 micron while viruses have a size range of 0.02 to 0.4 micron.

Because they are bigger, no viruses or bacteria can be able to pass through the membrane. They are then filtered out, ensuring that the water you will get is completely safe and healthy for drinking.

Why Remove E. Coli from Drinking Water?

The truth is, E. coli is a common bacteria found in the digestive systems of both humans and animals. Often, the presence of this microorganism is not a cause for concern, but some strains may cause a few health problems when ingested.

One particular strain that we should shy away from is the E. coli O157: H7 as ingestion of this strain may cause bloody diarrhea, cramps, and vomiting. Other severe symptoms include fever, bleeding, seizures, confusion, adult, and pediatric kidney failure.

Another E. coli strain to look out for is the STEC or Shiga toxin-producing E. coli, which can damage the linings of your intestine.

Aside from food poisoning and digestive system issues, it has also been noted that 75 to 95% of urinary tract infections are due to E. coli infection.

More than its health implications, the presence of E. coli in the water is a shred of clear evidence that the water supply is contaminated with animal waste. In the US, the water source will be deemed unfit for consumption if the water sample reveals the presence of the said bacteria.

Other Bacteria that Reverse Osmosis Removes 

Aside from E. coli, what other bacteria does reverse osmosis remove?

The Centers for Disease Control and Prevention states that Reverse Osmosis is also highly effective in removing Salmonella, Shigella, and Campylobacter. These bacteria may cause a wide array of health problems. These are as follows:

Salmonella

This is the culprit behind the bacterial disease called Salmonellosis, which has the following signs and symptoms: vomiting, nausea, fever, chills, diarrhea, abdominal cramps, blood in the stool, and headache. There are also aggressive strains of Salmonella that may cause typhoid fever.

Shigella

Shigella is the bacteria that causes the disease called Shigellosis. Aside from drinking contaminated water, you may also contract this infection by ingesting contaminated food or when you come in contact with contaminates feces.

The signs and symptoms of Shigellosis are abdominal cramps and pain, diarrhea, and fever.

Typically, Shigellosis is harmless and may last only for a few days. But there are cases when this disease may cause a few complications including dehydration, seizures, toxic megacolon, rectal prolapse, reactive arthritis, and hemolytic uremic syndrome.

Campylobacter

The last bacteria that Reverse Osmosis removes is Campylobacter, the bacteria responsible for causing the intestinal infection called Campylobacteriosis.

Its signs and symptoms include fever, muscle pain, headache, stomach pain and cramps, nausea, vomiting, bloody diarrhea, mild to severe diarrhea. Although rare, Campylobacteriosis can cause the following complications: urinary tract infections, septicemia, meningitis, arthritis, and Guillan-barre Syndrome.

Protozoa

Reverse Osmosis can also remove protozoa such as Giardia and Cryptosporidium. Giardia infection (Giardiasis) is characterized by nausea, vomiting, bloating, cramps, and watery diarrhea while symptoms of Cryptosporidium infection (Cryptosporidiosis) include dehydration, watery diarrhea, lack of appetite, weight loss, fever, vomiting, nausea, stomach cramps and pain.

Viruses

This water filtration system is also effective in removing viruses like Norovirus, Enteric, hepatitis A, and Rotavirus. 

  • Norovirus infection is highly contagious and may cause nausea, vomiting, abdominal pain, loose diarrhea, low-grade fever, body malaise, and muscle pain.
  • Hepatitis A is a viral liver disease clay-colored stools, dark urine, jaundice, intense itching, low-grade fever, abdominal discomfort, fatigue, vomiting and nausea. The symptoms mentioned are mild and may go away on it’s in just a few weeks.
  • Rotavirus is an infection that is most common in children below five years old. While severe diarrhea is the most common symptom, it is sometimes accompanied by stools with blood or pus, high fever, abdominal pain, irritability, dehydration, fatigue, irritability, and vomiting.

Conclusion

The presence of E. coli in water, even in low amounts, should be a cause of concern for all homeowners because it indicates water pollution. No matter how efficient our water systems are, contamination may still take place.

If you want to protect your family from possible health hazards, it would be best that you invest in an efficient and reliable water filtration system. A Reverse Osmosis water filtration system is just what you need because it filters out not only E. coli but other harmful bacteria as well.

Leslie Sawayn
Author

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