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The Global Insight

How often should a sewer line be cleaned

Author

William Harris

Updated on April 05, 2026

You want to avoid any issues which can become quite costly, so knowing when and how often to have your sewer cleaned out is knowledge you’ll want to retain. A good general rule is to have your home’s sewer lines cleaned out every 18 to 22 months.

How do I keep my sewer line clean?

  1. Tip #1 Limit Food Down the Kitchen Drain Line.
  2. Tip #2 Properly Dispose of Non-Food Items.
  3. Tip #3 Use One-Ply Toilet Paper.
  4. Tip #4 Flush the Plumbing System.
  5. Tip #5 Set Toilets to High Volume Flush.
  6. Tip #6 Tend to Your Roots.
  7. Tip #7 Naturally Clean Your Plumbing System.

How do you prevent main line clogs?

  1. Be on the Lookout For Warning Signs. …
  2. Get Your Main Drain Checked Out. …
  3. Make Use of a Mesh Lint Traps. …
  4. Let Bacteria Work for you. …
  5. Avoid Flushing Solids down the Sinks. …
  6. Flush Your Drains Occasionally. …
  7. Don’t Pour Grease down the Drain.

Do you need to clean your sewer line?

Typically, sewer lines should be cleaned on an as-needed basis. Drain cleaning services shouldn’t be needed on a regular basis. If you find yourself needing these services frequently, ask a local plumber if there’s an underlying problem with your sewer lines such as tree roots.

How long do sewer lines last?

The life of your sewer line depends on your pipe’s material. Cast iron pipes last between 75–100 years, clay and cement pipes can last up to 100 years, orangeburg pipes last around 50 years, and PVC pipes can last over 100 years.

Is Charmin bad for your toilet?

Charmin is clog safe, septic safe, and just as cushiony and soft as ever so you can still enjoy the go. … Our plumbers have tested Charmin in their homes to discover for themselves how flushable and clog-free it really is.

How much does it cost to clean your main drain?

National Average Cost$337Minimum Cost$150Maximum Cost$1,000Average Range$175 to $500

Why does my main line keep clogging?

While minor clogs can be cleared away with household tools, frequent clogging often suggest that you have a major clog developing in your drain line. Major clogs often form over months or years through the accumulation of soap residue, fats, hair, and other organic debris.

What is the best sewer line cleaner?

Best Overall: Drano Max Gel Clog Remover This commonly recognized product is popular for good reason—it’s a great all-around drain opener that’s effective and affordable, to boot. Drano Max Gel Clog Remover comes in 80-ounce bottles, and it’s safe to use on PVC, metal pipes, garbage disposals, and septic systems.

Why does my sewer line keep getting clogged?

Sewer line blockages are usually caused by a broken sewer pipe or tree roots that have grown into the pipes. … Tree roots are also a common culprit busting through the pipe and growing into it, blocking the flow. It’s also possible a severe clog such as years of grease buildup has blocked the pipe.

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How do I keep my main drain clear?

The simplest thing you can do to keep your drains clear is to use a drain cleaner once a month. There are quite a few different cleaners available, but it is recommended that you use an enzyme cleaner instead of a chemical-based cleaner.

How deep is the main sewer line?

How Deep Is a Sewer Line? Sewer lines on private property can be as shallow as 18–30 inches deep or as much as 5–6 feet deep. In areas with cold climates, the pipe will be buried deeper to prevent freezing in the winter.

How do you know when your sewer line needs to be replaced?

  1. There Are Strange Smells Around Your Home. …
  2. Your Toilets Make Gurgling Noises. …
  3. The Drains Aren’t Draining. …
  4. The Lawn is Super Green. …
  5. There’s Mold on your Walls. …
  6. Puddles and Soft Spots Outside Abound.

How do you know if your main sewer line is clogged?

  1. Gurgling sounds coming from the toilet. …
  2. Multiple slow-running drains in your home (low water pressure)
  3. Water coming out of your shower when using the washing machine.
  4. Foul odors coming from your drains.
  5. Sewage coming back up through drains.

How much does a plumber cost to unclog a main line?

The national average cost to unclog a main sewer line is between $350 and $650, with most people paying around $475 to clean a mid-sized clog by hydro jetting the main sewer pipe between a house and municipal main line.

How much does it cost to snake a main line?

TypeAverage CostComplex Clog / Main Line / Multiple Fixtures$150 – $500Severe Clog Requiring Hydro Jetting$250 – $800

What brand of toilet paper dissolves the fastest?

The winner is Scott 1,000. This 1-ply toilet paper broke down considerably faster than all the others.

Is Kirkland toilet paper septic-safe?

And the evidence points at Costco toilet paper being just as safe as any other brand of the product, as long as you treat your septic system right.

Is President's Choice toilet paper septic-safe?

Each double roll contains twice as many sheets as our regular-sized PC Super Soft Hypoallergenic Bathroom tissue. … Safe for septic and sewer systems.

Why do plumbers hate Drano?

It is Extremely Corrosive For Your Drains When your pipes are clogged, Drano will sit on top of the clog, continually reacting and generating heat until the clog dissolves. This can put a great deal of stress on your drains as the heat can cause PVC pipes to soften and even break or collapse.

Does Coke really unclog drains?

Coke. Coke is a lesser-known fix you can find in your refrigerator. Pour a 2-liter bottle of cola — Pepsi, Coke, or generic brand substitutes — down the clogged drain. Coke is actually quite caustic and effective at clearing away buildup in your drains, but it’s far milder than commercial drain cleaners.

Why pour hydrogen peroxide down drain?

Hydrogen peroxide dissolves organic matter to loosen and flush away debris such as skin cells. It also disinfects the drain as it works by reducing germs inside your pipes and making your sinks smell fresh and clean.

Can you build over a sewer line?

Building close to or over a public sewer without having obtained formal approval is illegal. It may also jeopardise the future sale of your property.

Can u build over a sewer line?

Buildings and extensions should not be constructed over a manhole or inspection point on a sewer. Access points on a sewer may need to be relocated as part of the works and included in the design.

What is the fall on a 4 inch sewer pipe?

For 4-inch PVC piping and a building sewer less than 50 feet long, the minimum slope is 1 inch in 8 feet, or 1/8-inch per foot, and the maximum is 1/4-inch per foot. For sewers longer than 50 feet, the slope should be 1/4-inch per foot.

How do I find my main sewer clean out?

The cleanout is usually a 4-inch-diameter pipe with a screw cap that has a square knob or indentation on the top. It’s most likely going to be popping up from the ground outside your home between the foundation and the street. The cleanout might also be on the side of the home, closest to the bathroom.