Main Sewer Line Clog Clearing

When more than one drain backs up at the same time, the problem usually is not the drain, it is the main line. We diagnose it accurately and clear it fast, before it turns into a sewage backup.

Overview

When every drain in the house backs up at once

If your kitchen sink gurgles when the toilet flushes, or water backs up into the bathtub when you run the washing machine, that is a classic sign of a clogged main sewer line, not an isolated drain problem. The main line carries wastewater from your entire home to the municipal sewer, and when it is blocked, every fixture connected to it is affected at once.

Most main line calls are a blockage, not a broken pipe: a grease plug, a root mass at a clay-tile joint, or a wad of wipes caught on a rough spot. We start at the cleanout, usually a capped fitting in the basement floor, and run a drain machine toward the street until flow returns.

Then the camera goes in to show why it stopped. If the pipe wall is clean and intact, the job is done. If roots or scale line the pipe, hydro jetting scours it rather than punching a hole through. If the camera shows a break, a belly holding water or a collapsed section, that is a sewer line repair and we will show you the footage before recommending it.

  • Diagnosis of multi-fixture drain backups
  • Camera inspection to locate the exact blockage
  • Tree root intrusion clearing from sewer lines
  • Hydro jetting for grease and solids buildup
  • Sewer line repair recommended only when the camera shows damage
  • 24/7 emergency response for sewage backup risk
AquaTec mascot clearing a clogged main sewer line
Available 24/7
15+
Years experience
14
Towns served
100%
Upfront pricing
24/7
Emergency response
More than one drain backing up at the same time is the clearest sign of a main line clog, and the one issue we treat as a true plumbing emergency.
Our Process

How It Works

Straightforward, no-surprise service from the first call to the final test.

1

Confirm It Is The Main Line

We ask which fixtures are affected, check the lowest drain in the house (usually the basement floor drain or laundry tub) for standing water, then open the cleanout to see whether the line is holding.

2

Clear The Blockage

We clear the clog with a drain machine from the cleanout and restore full flow. If roots or scale line the pipe, hydro jetting scours it clean.

3

Camera-Inspect The Pipe

Once flow is back, a camera inspection shows us what caused the clog: roots, grease, a break, or a pipe shift.

4

Recommend Repairs If Needed

If the camera shows damage to the pipe itself, we show you the footage and explain your repair options, with honest, upfront pricing.

Pricing

What affects the cost of clearing a main line

Access, distance and what the camera finds are what move the price on a main line call.

We give you a written price after we have looked, before any work starts.

Local Conditions

Main line clogs in Keswick, Georgina and the older cores

Where the house sits and how old its drains are often explain why a main line keeps backing up.

Along the Georgina lakeshore, including older Keswick and Sutton, many cottage conversions were connected to municipal sewer decades ago without replacing the original drain lines, so recurring backups there are often a pipe problem, not just a clog. If a backup only happens in heavy rain on Keswick's low, flat streets, it may be the municipal sewer surcharging, which is a backwater valve question, and we will tell you which one you have. In Newmarket's historic core, original clay sewer laterals let mature tree roots in at the joints, and heritage Aurora houses often still drain through original clay or cast iron.

When the camera shows a failed pipe, or the backups only come with storms, the next step is on our sewer line repair and backwater valve page.

Common Questions

Main Line Clog Questions, Answered

What York Region homeowners want to know when more than one drain starts backing up.

How do I know if it is a main line clog and not just one bad drain? +
The biggest tell is more than one fixture being affected at the same time, for example, your toilet gurgling when you run the dishwasher, or water backing up into the bathtub when you flush. A single slow drain is usually local; multiple drains acting up together points to the main line.
Is a clogged main sewer line an emergency? +
It can be. Because the main line carries wastewater from your entire home, a full blockage can cause sewage to back up into your lowest drains, which is a health hazard as well as a mess. If you are seeing backups in more than one fixture, we treat that as an emergency.
What causes a main sewer line to clog? +
The most common causes are grease and solid waste buildup over time, tree roots growing into pipe joints, and physical damage like a cracked, shifted, or partially collapsed section of pipe, especially common in older homes with clay or cast-iron lines.
What if there is no cleanout? +
Some older homes do not have an accessible cleanout. We can usually get in through a toilet or another fixture instead, and we tell you before we do, because access changes the price.
Whose responsibility is the sewer line, mine or the town's? +
In most York Region municipalities the lateral from your house to the property line is yours, and from the property line to the main it is the municipality's. If the camera shows the problem is on the municipal side, we tell you who to call rather than charging you to dig.
Why does my basement drain back up only when it rains hard? +
That usually points to the municipal sewer surcharging rather than a clog in your line. A backwater valve is the fix, and you can ask us about municipal subsidy programs.
Where We Offer This Service

Main Line Clearing Across York Region

24/7 main sewer line clog clearing is available in every community we serve.

Related

Related services

Multiple drains backing up at once?

That is a strong sign of a clogged main sewer line, and one that can lead to sewage backup if left alone. Call us now, day or night.

AquaTec Plumbing mascot giving a thumbs up