Influence On Water Quality! What Are Coliform Bacteria? Here's The Full Explanation

YOGYAKARTA - Coliform bacteria are often heard in discussions about water quality, especially in the health context. However, there are still many who do not fully understand what coliform bacteria are and how they affect the environment and human health. This article will discuss in detail about coliform bacteria, how to identify them, as well as their potential hazards.

What are coliform bacteria? Coliform bacteria are a group of bacteria that are often used as indicators of water quality. These bacteria are found naturally in the environment, especially in the human intestines and other hot-blooded animals. The Coliform has several types, and the most commonly known is Escherichia coli (E. coli), which can be a dangerous pathogen if found in large numbers.

Although many coliform bacteria are harmless, some of them can indicate contamination of other pathogens, such as bacteria, viruses, or parasites, which are more harmful to human health. Therefore, the presence of coliform bacteria in water is often used as a parameter to evaluate the possibility of more dangerous microbial contamination.

Types of Coliform Bacteria

In general, there are three types of coliform bacteria that are often found in the environment:

1. Total Coliform

This is a group of bacteria that includes all coliform bacteria found in nature. Total coliform is often used as an indicator of the presence of bacteria in drinking water or other water sources.

2. Fecal Coliform

Fecal coliform is a subgroup of total coliforms derived from the digestive tract of hot-blooded animals, including humans. Its presence in water often suggests that the water is polluted by haphazard, which is at risk of containing dangerous pathogens.

3. Escherichia coli (E. coli)

E. coli are the most well known types of fecal coliform bacteria. Some E. coli strains, such as E. coli O157:H7, can cause serious infections that are harmful to human health, such as blood diarrhea, kidney damage, and even death.

Impact Of The Existence Of Coliform Bacteria In Water

The existence of coliform bacteria in water can be a bad sign, especially if detected in high quantities. These bacteria can contaminate drinking water or other water sources, such as rivers, lakes, or wells, with pathogenic microorganisms that are dangerous. If not detected and overcome, exposure to these bacteria can cause a number of diseases, including:

How To Identify Coliform Bacteria?

Detection of coliform bacteria in water is carried out using special microbiological tests, such as test of demham tubes or membrane filtration methods that allow the identification of bacteria based on their growth in certain cultural media. This process is generally carried out in laboratories using water samples taken from sources suspected of being contaminated.

It is important to remember that although coliform bacteria are often used as indicators of contamination, not all coliforms are harmful to humans. However, when E. coli is detected, it signals a contamination of feces that can carry other dangerous pathogens.

Prevention and Control of Coliform Bacteria

To prevent and control the presence of coliform bacteria in water, several steps can be taken, including:

1. Water Processing

One of the main ways to kill coliform bacteria in water is through a water treatment process that involves screening and disinfection with chlorine or ozone.

2. Prevention of contamination

Maintaining the cleanliness of water sources and ensuring that no human or animal waste pollutes water sources is very important in preventing contamination.

3. Routine Monitoring

Conduct routine water quality testing to examine levels of coliform contamination and other pathogenic microorganisms.

What are coliform bacteria? Simply put, coliform bacteria are a microbial indicator that is important for assessing the water quality and potential contamination of pathogens. Although some types of coliform bacteria are harmless, their existence can indicate greater problems, such as contamination by pathogens that are harmful to human health. With proper monitoring and treatment, health risks related to coliform bacteria can be minimized. Therefore, it is very important to keep water sources clean and ensure water quality remains safe for human consumption. Did you know about 7 Hazardous Bacteria in Toilets

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