Septic tanks are commonly used in rural areas and small towns to treat wastewater from households and businesses that are not connected to a centralized sewage system. The primary purpose of a septic tank is to separate solids from liquids and allow the liquid effluent to drain into the soil through a leach field. However, one of the concerns with septic systems is the potential for the presence of pathogenic bacteria, including Coliform bacteria, in the effluent.
Understanding Coliform bacteria
Coliform bacteria are a group of microorganisms that are commonly found in the intestines of warm-blooded animals, including humans. They are used as an indicator of fecal contamination in water and are considered a potential health risk. The presence of Coliform bacteria in water indicates that there may be pathogenic bacteria or other disease-causing organisms present.
Coliform bacteria can enter a septic system through the wastewater that is flushed down toilets and drains. When a septic tank is working properly, it retains most of the solids and allows the liquid effluent to flow out and be absorbed into the soil. However, if the septic tank is not adequately maintained or if there are leaks or other issues with the system, it can lead to the presence of Coliform bacteria in the effluent.
Septic tank treatment options
There are several septic tank treatment options available that claim to remove Coliform bacteria and other pathogens from the effluent. These treatments are typically marketed as additives that are added to the septic tank to enhance the biological digestion of solids and reduce the presence of bacteria.
One common type of septic tank treatment is the use of beneficial bacteria or enzymes. These products contain specific strains of bacteria that are capable of breaking down organic matter, including fecal matter, more efficiently. The idea is that by introducing these bacteria into the septic tank, they will help to reduce the presence of Coliform bacteria and other pathogens.
Another type of septic tank treatment is the use of chemical disinfectants. These products typically contain chlorine or other oxidizing agents that kill bacteria and other microorganisms. The disinfectants are usually added to the septic tank in small doses to minimize the impact on the natural bacterial population. However, it is important to use these products carefully, as excessive use can harm the beneficial bacteria in the septic system and disrupt the overall functioning of the system.
Effectiveness of septic tank treatment on Coliform bacteria
While septic tank treatments can help in reducing the levels of Coliform bacteria in a septic system, their effectiveness may vary. Some studies have shown that septic tank treatments containing beneficial bacteria can significantly reduce the presence of Coliform bacteria in the effluent. However, it is important to note that these treatments are not a cure-all solution.
The efficacy of septic tank treatments is strongly dependent on various factors, including the design and condition of the septic system, the type and dosage of the treatment used, the presence of other contaminants, and the maintenance of the system. Regular pumping and maintenance of the septic tank, proper disposal of household waste, and avoiding the use of harsh chemicals can all contribute to a healthier septic system with lower levels of Coliform bacteria.
While septic tank treatments can help to reduce the levels of Coliform bacteria in a septic system, it is important to remember that they are not a guaranteed solution. The effectiveness of these treatments may vary depending on various factors, and regular maintenance and proper use of the septic system are crucial in maintaining a healthy and functional system. It is recommended to consult with a septic professional or local health authorities for guidance on septic tank treatments and to ensure the safety and efficiency of the system.