Unfortunately, there may be dangerous bacteria swimming in the water you drink. Bacteria can make its way to your faucet if the water is not filtered the way it should be. While not all bacteria are harmful, there are a few kinds that can be detrimental to your health. It is a good idea to be aware of the possible issues you could have in your water, so you can know how to effectively fix the problem. Here are some common bacteria that could be in your water.

Escherichia Coli

Escherichia coli, or e.coli, can have some unpleasant and dangerous symptoms. Some symptoms of e.coli include nausea, vomiting, diarrhea, dehydration, fatigue, nosebleeds, kidney failure, and more. In severe cases, it can lead to permanent disablement or even death.

Campylobacter Jejuni

The symptoms of Campylobacter Jejuni typically appear for about a week, two to ten days after exposure and they are not pleasant. Some of the symptoms of this bacteria include diarrhea that is often bloody, fever, abdominal pains, nausea, and vomiting. In some cases, the infection can be life-threatening.

Hepatitis A

The symptoms of a hepatitis A infection may not appear for a long period of time following exposure to the bacteria. Symptoms may not appear until 28 days after exposure. The infection can come with dark urine, stomach pain, fever, jaundice, and fatigue.

Giardia Lamblia

This one is actually a parasite rather than a bacteria, but it is still found in drinking water and its symptoms are dangerous and unpleasant. Some symptoms of Giardiasis, a Giardia Lamblia infection, include diarrhea, gas, greasy stools that tend to float, stomach or abdominal cramps, upset stomach or nausea/vomiting, and dehydration.


Salmonella is another harmful pathogen that causes unpleasant sickness. Some symptoms of salmonella infection include chills, fever, headache, diarrhea, and pain. These symptoms may appear one to three days after being infected.

Legionella Pneumophila

Legionella pneumophila can cause a serious infection called Legionnaires disease. This disease can lead to hospitalization or even death. Some symptoms of this infection include fever, shortness of breath, cough, and muscle aches.


Cryptosporidium is actually something called a protozoan rather than a bacteria and it works similar to a parasite. It causes diarrhea that is severe and painful. It can even be found in a city’s clean water and it requires a water test to be detected.