Home > Septic Services Blog > 5 Causes of Septic Tank Odor

Septic systems are a crucial component in many homes that are not connected to the public sewer system. They are responsible for the proper treatment of wastewater generated by households. When not properly maintained, septic tanks can give off an unpleasant odor that can be a sign of underlying problems. Here are five common causes of septic tank odor:

1. Overfilled Septic Tank

A septic tank that is too full is one of the most common causes of septic tank odor. When the tank becomes overfilled, wastewater can’t flow through the system and flows back into the home. This can lead to a buildup of waste and an increase of methane gas, which produces a foul odor. To prevent this, it’s essential to have your septic tank pumped regularly to maintain proper levels of wastewater in the tank.

2. Blocked Drain Field

A blocked drain field is another common cause of septic tank odor. The drain field is the component of the septic system responsible for filtering out impurities from the wastewater and dispersing it into the soil. If the drain field becomes clogged, wastewater can’t flow through it. The pressure in the system can then build up, leading to an increase in methane gas and a buildup of waste, which can produce an unpleasant odor. To prevent this, it’s essential to have your septic system inspected regularly to avoid overloading it with excessive water usage.

3. Broken Pipes

Broken pipes can also contribute to septic tank odor. When pipes break, wastewater can leak out and cause an unpleasant odor. To prevent this, have your pipes inspected regularly and to have any broken pipes repaired as soon as possible.

4. Lack of Septic System Maintenance

Lack of septic system maintenance is another common cause of septic tank odor. Regular maintenance is essential to keep your septic system functioning correctly and to prevent the buildup of waste and an increase in methane gas, which produces a foul odor. To keep your septic system working correctly, it’s crucial to have it inspected and pumped regularly, and to avoid overloading it with excessive water usage.

5. Leaks

Leaks can also contribute to septic tank odor. When wastewater leaks from the septic tank, it can produce an unpleasant odor. To prevent this, it’s essential to have your septic tank inspected regularly for any signs of leaks and to have any leaks repaired as soon as possible.

Septic tank odor is a common problem that can be caused by a variety of factors, including an overfilled septic tank, blocked drain field, broken pipe(s), lack of septic system maintenance, and leaks. It’s best to have a certified septic company inspect your septic system to find what is causing the smell so you can resolve it. Regular septic system maintenance and inspections are crucial to keeping your system functioning correctly.

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Since 1994, Quality Septic has provided fast, friendly, reliable, and affordable septic system inspections, repairs, and maintenance in Hillsborough County. Arrange an appointment or get your questions answered by calling us at (813) 576-2546 or get in touch with us through our online contact form.