What Does a Sewer Camera Inspection Show?

Written by Steven Shipler, Texas Licensed Master Plumber, Responsible Master Plumber (RMP), MBA, and host of The 4 Guys Education on YouTube.

A sewer camera inspection shows what is happening inside the underground sewer line. It allows a trained inspector to visually evaluate the condition of the pipe and identify hidden problems that cannot be seen from inside the home.

A house may have clean bathrooms, working toilets, and drains that appear normal, while the sewer line underground is holding water, cracked, separated, full of roots, deteriorated, or partially collapsed.

What Is a Sewer Camera Inspection?

A sewer camera inspection uses a waterproof plumbing camera attached to a flexible cable. The camera is inserted into the sewer line through an accessible cleanout, drain opening, or other approved access point.

As the camera travels through the pipe, it records the inside condition of the sewer system. The inspection can help identify defects, restrictions, damage, slope concerns, and signs of future sewer failure.

For home buyers, Realtors, investors, and homeowners, the sewer camera inspection provides evidence. It replaces guessing with video documentation.

1. Tree Roots in the Sewer Line

Tree roots are one of the most common sewer line problems found during camera inspections.

Roots can enter through cracks, loose joints, separated pipe sections, broken fittings, and older clay pipe connections. Once inside the pipe, roots can catch paper, waste, grease, and debris.

A sewer camera inspection can show:

• Light root intrusion
• Heavy root masses
• Roots entering through pipe joints
• Roots near clay pipe connections
• Roots causing recurring blockages

2. Sewer Line Offsets

An offset occurs when two sections of sewer pipe no longer line up properly.

Offsets may be caused by soil movement, foundation movement, poor installation, settlement, old pipe joints, or previous repairs.

A sewer camera inspection may show an offset where the camera drops, bumps, catches, or passes over a pipe joint that has shifted out of alignment.

3. Sewer Bellies and Standing Water

A sewer belly is a low area in the pipe where water sits instead of flowing properly toward the city sewer or septic system.

Bellies are important because sewer lines are designed to drain by gravity. If the pipe loses proper slope, wastewater can slow down and solids may settle inside the low area.

A sewer camera inspection can show:

• Standing water in the pipe
• Low spots holding waste
• Debris collecting in the belly
• Improper slope
• Sections where the camera travels underwater

Not every small amount of water means the line has failed, but significant standing water should be evaluated carefully.

4. Cracks in the Sewer Pipe

Sewer cameras can show cracks in clay, cast iron, PVC, and other pipe materials.

Cracks may allow soil, roots, water, or debris into the sewer line. Over time, cracks can lead to pipe separation, structural weakness, or collapse.

Cracks may appear as:

• Hairline cracks
• Longitudinal cracks
• Fractured pipe sections
• Cracked fittings
• Cracks with root intrusion
• Cracks with soil visible outside the pipe

5. Collapsed Sewer Pipe

A collapsed sewer pipe is a serious defect. It means part of the pipe has failed structurally and may no longer allow proper flow.

A sewer camera inspection may show a collapse when the camera reaches a blockage, broken pipe wall, crushed section, missing pipe, or area where soil has entered the sewer line.

Common signs of collapse include:

• Camera cannot pass beyond the defect
• Soil or mud visible in the line
• Pipe wall missing or crushed
• Standing wastewater before the collapse
• Repeated main sewer backups

6. Grease Buildup and Sludge

Grease, sludge, and buildup can collect inside sewer lines, especially in kitchen drain branches, older cast iron pipe, low spots, and lines with poor slope.

A sewer camera inspection may show grease coating the pipe walls, reducing the pipe opening, or catching debris.

Grease buildup may cause:

• Slow drainage
• Recurring kitchen drain stoppages
• Bad odors
• Restricted pipe diameter
• Debris accumulation

7. Pipe Separations

A pipe separation occurs when two sections of pipe pull apart or no longer connect properly.

Separations can allow roots, soil, insects, and water into the sewer line. They can also allow wastewater to escape into the surrounding soil.

A sewer camera inspection may show gaps between pipe sections, misaligned joints, exposed soil, or root intrusion at the separation.

8. Cast Iron Sewer Pipe Deterioration

Many older North Dallas homes still have cast iron sewer piping under the slab or below the structure.

Cast iron can deteriorate from the inside out. A sewer camera inspection can help show scaling, corrosion, channel rot, rough pipe walls, buildup, and structural failure.

Common cast iron defects include:

• Heavy scaling
• Rust buildup
• Bottom channel rot
• Cracking
• Flaking pipe walls
• Restricted flow
• Recurring debris buildup

9. Clay Pipe Damage

Clay sewer pipe was commonly used in older sewer systems. It can last a long time, but clay pipe joints are vulnerable to root intrusion, separation, cracks, and movement.

A camera inspection can show clay pipe joints, root entry points, broken sections, offsets, and separated pipe.

10. Previous Sewer Repairs

A sewer camera inspection may also reveal previous repairs.

This matters because some prior repairs were done correctly, and others may have created new problems.

The camera may show:

• Transitions from clay to PVC
• Transitions from cast iron to PVC
• Short spot repairs
• Improper fittings
• Poor slope after repair
• Offset repair connections
• Different pipe materials in one sewer run

North Dallas Cities Where Sewer Camera Inspections Matter

Sewer camera inspections are especially valuable throughout North Dallas because of older neighborhoods, mature trees, expansive clay soil, slab foundations, and mixed sewer pipe materials.

The Sewer Inspection Company serves:

• North Dallas
• Plano
• McKinney
• Frisco
• Allen
• Richardson
• Addison
• Carrollton
• Farmers Branch
• Coppell
• Lake Highlands
• Preston Hollow
• Highland Park
• University Park
• The Colony
• Lewisville

Three City Examples: Plano, McKinney, and Frisco

Professional Equipment Used During Sewer Inspections

Professional sewer inspection equipment helps document the actual condition of the underground sewer line.

• RIDGID SeeSnake Camera System: Used to inspect the inside of the sewer line and record video evidence of roots, offsets, bellies, cracks, collapses, grease buildup, and separations.
• RIDGID SeekTech SR-20 Locator: Used to help locate the camera sonde underground and estimate the approximate location and depth of major defects.
• RIDGID ST-305 Transmitter: Used with locating equipment to support underground line tracing and sewer locating when appropriate.

What a Sewer Camera Inspection Does Not Always Show

A sewer camera inspection is powerful, but it is not magic. It shows the visible interior condition of the accessible pipe.

A camera inspection may not show:

• Pipe sections beyond a complete blockage
• Buried lines with no accessible cleanout
• Defects hidden under heavy standing water
• Exact pipe depth unless locating is performed
• Exact repair cost without additional evaluation
• Every branch line if access is limited

Why Buyers Should Ask for the Video

If you are buying a home, do not settle for a vague statement like “the sewer line looks okay.”

Ask for the video.

A narrated sewer video helps buyers, Realtors, plumbers, and sellers understand the actual findings. It can also help support repair estimates, negotiation requests, and future maintenance decisions.

What The Sewer Inspection Company Provides

The Sewer Inspection Company helps homeowners, buyers, Realtors, and investors understand the condition of the underground sewer line before major decisions are made.

• Sewer camera inspection
• Narrated YouTube video
• Master Plumber review
• Written findings report
• Defect identification
• Repair guidance when appropriate
• Plain-English explanation

Final Answer: What Does a Sewer Camera Inspection Show?

A sewer camera inspection shows the visible interior condition of the accessible underground sewer line.

It can reveal roots, offsets, bellies, cracks, collapses, grease buildup, separations, standing water, cast iron deterioration, clay pipe damage, previous repairs, and other sewer defects that may not be visible during a normal home inspection.

If you are buying, selling, repairing, or maintaining a home in North Dallas, Plano, McKinney, Frisco, Richardson, Allen, Addison, Carrollton, Coppell, Lake Highlands, Preston Hollow, Highland Park, University Park, or surrounding areas, a sewer camera inspection can help you make a better decision.

Helpful Internal Links

• Sewer Inspection Plano TX
• Sewer Line Repair Plano TX
• Trenchless Sewer Repair Plano TX
• Drain Cleaning Plano TX
• Contact Us

FAQs