Categories: Uncategorized
Published November 11, 2025

Top Signs You Need a Sewer Line Inspection

Why Sewer Line Inspection Matters

A sewer line inspection is one of the most important maintenance steps for your plumbing system. Hidden underground, sewer lines often go unnoticed until serious problems arise. Regular inspections help identify small issues before they escalate into costly repairs. Whether you’re a homeowner or property manager, understanding the early warning signs can prevent water damage, mold growth, and structural issues.

1. Slow Drains Signal Possible Sewer Line Issues

When multiple drains in your home begin to slow, it may indicate a blockage that requires a sewer line inspection. While a single slow drain could result from hair or soap buildup, recurring clogs across sinks, tubs, or toilets suggest a deeper issue. Professional plumbers use camera inspections to pinpoint the location of the blockage—helping you avoid guesswork and unnecessary damage.

Plumber performing sewer line inspection using a camera scope in a home bathroom.

2. Unpleasant Odors Indicate a Problem

If you notice foul smells coming from your drains, yard, or basement, it’s likely time for a sewer line inspection. These odors often result from leaks or cracks that allow sewage gases to escape. Ignoring this sign can lead to unhealthy air quality and contaminated soil. An inspection helps locate leaks early, ensuring your plumbing remains sealed and sanitary.

Homeowner covering nose in a bathroom due to foul odor, indicating the need for a sewer line inspection.

3. Puddles or Wet Spots in the Yard

Unexpected puddles, soggy patches, or greener grass in certain areas of your lawn could indicate that wastewater is seeping into the ground. A sewer line inspection can confirm if a pipe has cracked or collapsed. Left unchecked, these leaks can erode the soil and damage your foundation, leading to costly structural repairs.

Muddy lawn with puddles indicating need for sewer line inspection.

4. Gurgling Sounds in Toilets or Drains

Strange noises, such as gurgling or bubbling, when you flush the toilet or run the sink, may signal trapped air in your sewer line. This occurs when wastewater flow is obstructed, and gases escape through your fixtures. A professional sewer line inspection will determine whether tree roots, debris buildup, or a damaged pipe cause the blockage.

5. Backups and Frequent Clogs

Repeated toilet backups or water backing up into showers are clear warning signs that a major clog is forming. A sewer line inspection helps identify the source—whether it’s grease buildup, broken pipes, or root intrusion—so repairs can be made before a total system failure.

6. Older Homes Need Regular Sewer Line Inspection

Homes built more than 40 years ago are more prone to sewer line problems due to aging materials like clay or cast iron. Scheduling a sewer line inspection every few years helps keep your system efficient and prevents emergencies. Inspections are especially important before purchasing an older property to avoid unexpected repair costs.

Protect Your Home with Professional Sewer Line Inspection

Ignoring the warning signs can lead to severe property damage and health risks. If you’ve noticed any of these issues—slow drains, foul odors, wet spots, or gurgling sounds—it’s time to schedule a sewer line inspection with a trusted plumbing professional.

Don’t wait for costly damage—schedule your sewer line inspection today! For more information on plumbing maintenance and tips, visit our National Hydro Jetting blog page.