How to Detect a Sewer Line Leak in NJ Before It Becomes a Major Problem

A sewer line leak is one of the most serious plumbing issues a homeowner or business owner in New Jersey can face. Left undetected, it can lead to foundation damage, mold growth, sinkholes, and expensive repairs. The key to avoiding costly sewer repairs is early detection. If you suspect a sewer line issue, acting fast can save you thousands of dollars in repairs. Read on to learn how to spot a sewer leak before it becomes a disaster!

Common Warning Signs of a Sewer Line Leak

A leaking sewer line can go unnoticed for months—until it causes serious structural damage. Here are the top red flags that could indicate a leak in your sewer system:
1. Unexplained Increase in Water Bills
🚨 If your water bill is rising but your usage hasn’t changed, a leak may be to blame. Sewer line leaks can cause continuous water flow, leading to higher costs.
2. Foul Odors in Your Home or Yard
🚨 A strong rotten egg or sewage smell near your drains, basement, or yard could mean that sewage is leaking from underground pipes.
3. Slow Drains & Frequent Clogs
🚨 A single clogged drain is normal, but if multiple drains in your home are backing up at the same time, your sewer line may have a hidden leak or blockage.
4. Mold & Mildew Growth
🚨 Excess moisture from a leaking sewer pipe can lead to mold growth on walls, ceilings, and floors—especially in basements or bathrooms.
5. Cracks in Your Foundation or Walls
🚨 A long-term sewer leak under your home can cause the soil to shift, leading to foundation cracks, uneven floors, or wall damage.
6. Soggy Patches in Your Yard
🚨 If you notice areas of your lawn that are greener, wetter, or sunken, it could be a sign of a sewer line leak underground.
7. Rodent & Insect Infestations
​🚨 Leaking sewer pipes attract rats, cockroaches, and flies, as they provide an easy food and water source. If you have an increase in pests, your sewer system could be compromised.

Common Causes of Sewer Line Leaks in NJ
Understanding what causes sewer line leaks can help you prevent them in the future. Here are the most common culprits:
✔️ Aging Pipes – Older clay or cast-iron pipes corrode and crack over time.
✔️ Tree Root Intrusion – Roots invade pipes, leading to leaks and blockages.
✔️ Soil Shifting – Freezing temperatures and ground movement can cause pipes to break.
✔️ Grease & Debris Buildup – Accumulated waste puts pressure on pipes, leading to cracks.
✔️ Poor Installation or Repairs – Faulty workmanship can result in premature leaks.

How to Confirm a Sewer Line Leak Before It Gets Worse
If you suspect a sewer leak, here’s how to confirm it before it becomes a major problem:
1. Perform a Dye Test
🔹 Add a few drops of food coloring to a toilet and wait 30 minutes.
🔹 If colored water appears in your yard or basement, you likely have a leak.
2. Check Your Water Meter
🔹 Turn off all water sources in your home.
🔹 If your water meter is still running, there may be an underground leak.
3. Listen for Unusual Sounds
🔹 A hissing or gurgling noise coming from your pipes could signal a hidden leak.
4. Schedule a Sewer Camera Inspection
🔹 A professional sewer camera inspection can pinpoint the exact location of the leak without digging up your yard.

Best Repair Options for a Sewer Line Leak in NJ
If you confirm a sewer leak, fast action is critical to prevent further damage. Here are the best solutions:
🔧 Trenchless Sewer Repair
🚀 Best for: Small to medium leaks without digging up your yard
✔️ Uses pipe lining or pipe bursting to fix the issue with minimal disruption.
🔧 Hydro Jetting
🚀 Best for: Clearing blockages that may be causing pipe leaks
✔️ Uses high-pressure water jets to remove debris, grease, and tree roots.
🔧 Traditional Sewer Line Replacement
🚀 Best for: Older homes with severely damaged pipes
✔️ Requires excavation but ensures a completely new, leak-free sewer system.
🔧 Preventive Maintenance
🚀 Best for: Avoiding future leaks and costly repairs
✔️ Regular camera inspections and drain cleaning help catch small issues early.


Protect Your NJ Home with a Sewer Inspection Today!
Sewer leaks don’t go away on their own. If you notice any of the warning signs listed above, it’s time to act fast before the problem gets worse.
At NJ Sewer Inspection, we specialize in:
✅ Sewer Camera Inspections – Find leaks without digging up your property
✅ Trenchless Sewer Repair – Fix leaks with minimal disruption
✅ Hydro Jetting Services – Clear out roots, grease, and debris
✅ Preventive Sewer Maintenance – Keep your system in top condition year-round
📞 Call NJ Sewer Inspection today at 973-798-9066 to schedule a professional sewer inspection before a small leak becomes a major problem!