Blog Post

5 Warning Signs You Need Sewer Line Replacement

April 14, 2025

A failing sewer line can wreak havoc on your Grand Ledge home, leading to messy backups, property damage, and expensive repairs if left unaddressed. While sewer lines are built to last decades, factors like tree root intrusion, ground shifting, and normal wear can compromise their integrity. Recognizing the early warning signs of sewer line failure can help you address problems before they escalate into emergencies requiring full sewer line replacement. Here are five telltale signs your underground plumbing system needs professional attention.

Close-up of white PVC pipes and brass fittings used in a sewer line replacement project.

How to Know If You Need Sewer Line Replacement

 

1. Multiple Drains Backing Up Simultaneously

When several fixtures in your home drain slowly or back up at the same time - like your basement drain gurgling when you flush the toilet - this strongly indicates a main sewer line blockage. Unlike isolated clogs that affect just one fixture, whole-house drainage problems typically mean your main sewer pipe is compromised. Tree roots seeking moisture often invade small cracks in pipes, growing larger until they completely block wastewater flow. Our experienced team at Michigan Plumbing specializes in sewer and drain diagnostics using camera inspections to pinpoint exactly where and why your line is failing.

 

2. Persistent Sewage Odors Inside or Outside Your Home

That unmistakable rotten egg smell isn't just unpleasant - it's a health hazard. Sewer gases contain methane and other dangerous compounds that should remain contained within your plumbing system. If you notice persistent sewage smells in your home, yard, or near floor drains, this indicates cracks or breaks in your sewer line are allowing gases to escape. These odors often worsen after heavy water use or rainfall when increased wastewater flow puts more pressure on compromised pipes.

 

3. Unexplained Wet Spots or Lush Grass Patches

Your lawn can reveal hidden sewer line problems before they become catastrophic. Leaking wastewater acts as fertilizer, causing certain grass areas to grow unusually green and lush. You might also notice soggy patches, sunken areas, or even small sinkholes forming where leaking sewage has eroded underground soil. During dry spells, these problem areas often remain noticeably damp while the rest of your yard dries out.

 

4. Increased Pest Activity Around Your Property

Rodents and insects are attracted to the moisture and organic matter in leaking sewer lines. If you've noticed more cockroaches, drain flies, or even rodents around your home, they may be accessing your property through cracks in underground pipes. These pests not only create nuisance but can carry dangerous pathogens into your living spaces.

 

5. Mysterious Increases in Water Bills

A sudden spike in your water bill without changes in usage often signals an underground leak. While some leaks are obvious (like a dripping faucet), sewer line leaks can go undetected for months as wastewater silently seeps into surrounding soil. Modern leak detection equipment can help determine if an unexplained water bill increase stems from sewer line problems.

Protect Your Grand Ledge Home From Sewer Disasters

 

Ignoring sewer line warning signs often leads to much costlier repairs down the road, including full sewer line replacement. If you've noticed any of these red flags, don't wait until you're dealing with raw sewage backups in your basement. The team at Michigan Plumbing offers comprehensive sewer line inspections using state-of-the-art camera technology to accurately diagnose problems. Ask our plumbing experts about your concerns or call us anytime at (517) 940-6625 for prompt, professional sewer and drain services throughout Grand Ledge, MI and surrounding areas.

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