Sewer line video inspections are a modern and highly effective method for diagnosing and addressing plumbing issues within sewer systems. By using a specialized camera system, plumbers and property owners can visually inspect the interior of sewer lines to detect problems like clogs, cracks, tree root intrusion, or pipe misalignment.
Here’s a comprehensive guide to sewer line video inspections, covering their purpose, process, benefits, and potential costs.

What Is a Sewer Line Video Inspection?

A sewer line video inspection involves inserting a waterproof, high-resolution camera attached to a flexible rod into the sewer line. The camera transmits live footage to a monitor, allowing the plumber to see the condition of the pipes in real time. This process eliminates guesswork, making it easier to pinpoint problems accurately.

When Is a Sewer Line Video Inspection Needed?

1. Persistent Drainage Issues

   • Frequent clogs or slow drainage may indicate a deeper problem in the sewer line.

2. Foul Odors

   • Unpleasant smells emanating from drains can signal blockages or pipe damage.

3. Water Backups

   • Sewage backing up into sinks, toilets, or bathtubs suggests a serious issue.

4. Buying or Selling Property

   • Inspections ensure the sewer line is in good condition before a real estate transaction.

5. Tree Root Intrusion

   • Common in older pipes, roots can infiltrate sewer lines and cause blockages or damage.

6. Unexplained Lawn Patches

   • Wet or unusually green areas in the yard could indicate a leak in the underground sewer line.

The Process of Sewer Line Video Inspection

1. Initial Assessment

   • The plumber identifies an accessible entry point, typically through a cleanout, drain, or toilet.

2. Insertion of the Camera

   • A small camera attached to a flexible cable is inserted into the sewer line.
   • The cable is guided through the pipe system manually or using a motorized device.

3. Live Monitoring

   • The camera sends real-time footage to a monitor.
   • The plumber observes the pipe’s interior to locate blockages, cracks, or other issues.

4. Problem Diagnosis

   • The footage helps identify the exact location and type of problem, such as tree roots, pipe collapse, or grease buildup.

5. Report and Recommendations

   • After the inspection, the plumber provides a detailed report, including video evidence, and suggests solutions.

Benefits of Sewer Line Video Inspections

1. Accurate Problem Diagnosis

   • Eliminates the need for invasive digging or guesswork.
   • Pinpoints the exact location and nature of the issue.

2. Cost-Effective

   • Reduces unnecessary repairs by identifying the specific problem area.
   • Saves money by minimizing excavation.

3. Time-Saving

   • Quickly identifies issues compared to traditional methods.

4. Non-Invasive

   • No need to dig up large portions of the yard or flooring.

5. Preventative Maintenance

   • Detects minor issues before they escalate into costly repairs.

6. Documentation

   • Provides visual proof of the sewer line’s condition, which can be valuable for real estate transactions or insurance claims.

Common Issues Detected During Inspections

1. Tree Root Intrusion

   • Roots can penetrate sewer lines through small cracks or joints, causing blockages.

2. Pipe Corrosion

   • Older metal pipes may corrode over time, leading to leaks or collapse.

3. Blockages

   • Buildup of grease, soap, debris, or foreign objects can obstruct water flow.

4. Pipe Misalignment

   • Shifting soil or poor installation can cause pipes to misalign, disrupting drainage.

5. Cracks and Leaks

   • Structural damage to pipes allows water to escape and can lead to soil erosion or sinkholes.

6. Collapsed Pipes

   • Severe damage from aging, heavy loads, or ground movement can cause pipes to collapse completely.

Equipment Used in Sewer Line Video Inspections

1. Waterproof Camera

   • Durable cameras capable of withstanding harsh sewer conditions, including water and debris.

2. Flexible Rod or Cable

   • Allows the camera to navigate bends and turns within the sewer line.

3. Monitor

   • Displays live footage for real-time analysis.

4. Locator Device

   • Used to track the exact location of the camera within the pipe system.

Limitations of Sewer Line Video Inspections

1. Visibility Issues

   • Poorly maintained or heavily clogged pipes can obscure the camera’s view.

2. Access Challenges

   • Limited entry points or severely damaged pipes may require additional work before inspection.

3. Partial Diagnosis

   • The inspection identifies issues but does not repair them. Additional tools and methods are needed for fixes.

Costs of Sewer Line Video Inspections

1. Basic Inspection

   • $100–$300 for standard residential sewer lines.

2. Advanced Inspection

   • $300–$500 for longer or more complex lines, such as in commercial properties.

3. Add-On Services

   • Hydro jetting or pipe relining, if required, will add to the overall cost.

Preventative Measures Post-Inspection

1. Regular Maintenance

   • Schedule annual inspections and cleanings to prevent major issues.

2. Avoid Flushing Non-Biodegradable Items

   • Educate household members about proper waste disposal.

3. Install Root Barriers

   • Prevent tree roots from infiltrating sewer lines.

4. Grease Management

   • Never pour grease or fat down drains; use a disposal container instead.

5. Pipe Upgrades

   • Replace aging or damaged pipes with durable materials like PVC or HDPE.

Conclusion

A sewer line video inspection is a valuable tool for identifying and resolving plumbing issues efficiently and non-invasively. Whether you’re dealing with persistent drainage problems or conducting routine maintenance, this method provides clarity and actionable insights to protect your plumbing system and property.