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Sewer Line Cleaning vs Drain Cleaning: What’s the Difference?

Home | Blog | Published on June 12th, 2025

While both sewer line cleaning and drain cleaning focus on clearing blockages, they serve very different parts of your plumbing system. Understanding the distinction between the two helps ensure you request the right service potentially avoiding more extensive repairs down the road.

At Swift Plumbing & Heating, we offer expert solutions for both drain and sewer issues, helping Bainbridge Island homeowners keep their plumbing systems running smoothly.

Plumber performs hydro jetting on main sewer line outside Bainbridge Island residence.

What Is Drain Cleaning?

Drain cleaning involves removing clogs from individual household fixtures like sinks, tubs, and showers. These blockages are typically caused by everyday debris such as hair, soap scum, food particles, or grease. To restore proper flow, professionals use tools like augers, drain snakes, or safe enzymatic cleaners that are effective and gentle on pipes.

Common signs you need drain cleaning include: water draining slowly from a single fixture, gurgling noises from a drain, foul odors, or frequent clogs in the same area.

What Is Sewer Line Cleaning?

Sewer line cleaning addresses blockages in your home’s main sewer pipe the line that carries wastewater from all your household drains to the municipal system or septic tank. Issues here are usually more severe and can affect multiple fixtures at once.

If sewage backs up into your toilet or basement, multiple drains clog at the same time, or you smell strong sewer odors inside or near your home, sewer line cleaning is likely needed.

Techniques Used for Sewer Line Cleaning

To clear major blockages like tree roots or heavy buildup, professionals may use hydro jetting (a high-pressure water cleaning method), video camera inspections, or motorized rooter tools. These advanced techniques should only be performed by trained technicians to prevent pipe damage and ensure complete removal.

Key Differences Between Drain and Sewer Cleaning

The primary difference lies in the scope and severity. Drain cleaning is localized and typically involves surface-level debris, affecting one fixture at a time. Sewer line cleaning is more complex, targeting your main drainage line where more serious obstructions such as invasive tree roots or sediment buildup can disrupt the entire home’s plumbing.

Why Prompt Service Matters

Ignoring the warning signs of clogged drains or a blocked sewer line can result in water damage, foul odors, and costly repairs. Professional assessment ensures the right solution is applied quickly, preventing long-term damage and restoring safe, efficient plumbing.

At Swift Plumbing & Heating, we’re here to help you get it right the first time with targeted diagnostics and expert service.

FAQs About Drain and Sewer Line Cleaning

How do I know if I have a sewer line issue?
If multiple fixtures are draining slowly or sewage is backing up, the problem is likely in the main sewer line.

Is hydro jetting safe for pipes?
Yes, when performed by trained professionals, hydro jetting is both safe and highly effective.

How often should I schedule cleaning?
Most household drains benefit from cleaning every 1–2 years. Sewer lines may need cleaning every 3–5 years or when symptoms appear.

Can tree roots grow into pipes?
Yes. Older systems with clay or cast iron pipes are especially vulnerable. Specialized tools are required to remove roots safely.

Did You Know?

Tree roots are one of the most common causes of residential sewer line blockages.

Ensure your plumbing is flowing freely schedule a professional inspection with Swift Plumbing & Heating today.

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