Signs of a Gas Service Line Leak Every Homeowner in Pittsburgh Should Know
- revelationplumbing5
- Sep 10
- 3 min read

Signs of a Gas Service Line Leak Every Homeowner Should Know
Natural gas plays a vital role in keeping our homes comfortable, powering furnaces, water heaters, stoves, and more. But when it leaks, it can pose serious safety risks. Gas leaks are often invisible, but your home and yard may give off subtle warning signs. Knowing what to watch for can protect your family, your property, and your peace of mind.
At Revelation Plumbing, we’ve seen firsthand how overlooked gas leaks can lead to dangerous situations. That’s why we’re breaking down the most common signs of a gas service line leak—so you know when to call for professional help.
Dead Vegetation in Your Yard 🌱
One of the most overlooked warning signs of a gas leak is unexplained dead or discolored vegetation in your yard.
Here’s why it matters:
Natural gas displaces oxygen in the soil.
Plant roots suffocate when they can’t access oxygen.
Grass, shrubs, and even mature trees can begin to wither or die.
If you notice a patch of brown or yellow grass surrounded by healthy green growth—or a single shrub struggling while everything else thrives—don’t ignore it. It could be more than a lawn issue; it may point to a hidden gas service line leak.

Vegetation withering from a gas leak occurs because methane from the gas displaces oxygen in the soil, preventing plant roots from breathing, which leads to suffocation and death.
💡 Pro Tip: Snap a photo of the area and monitor changes. If it keeps spreading or stays dead while you water and care for it, it’s time to call a professional.
Rotten Egg or Sulfur Smell 👃
Natural gas itself is odorless, but gas companies add a chemical called mercaptan to give it a strong, sulfur-like smell. This “rotten egg” odor is one of the clearest indicators of a leak.
Smell it inside your home? Leave immediately and call your utility company.
Smell it outside near your meter or yard? Keep your distance and alert professionals right away.
Never try to locate the leak yourself with matches, lighters, or flashlights—these could ignite the gas.
Hissing or Whistling Sounds 🎧
Gas leaks often escape under pressure. If you hear:
A hissing sound near your gas meter,
A whistling noise near buried lines,
Or unusual sounds near appliances,
…it’s a red flag that gas is escaping. These sounds are often faint, so it’s important to stay alert.

Soil or Water Disturbances 💦
When gas leaks underground, it can shift or move soil, creating unusual patterns in your yard. Signs include:
Bubbling water in puddles or standing water.
Dust blowing from the ground, even without wind.
Soft or shifting soil along the service line path.
If you see bubbling water or soil movement, assume danger and keep away from the area.
Unexplained Increase in Gas Bills 💸
A gas leak doesn’t just pose a safety hazard—it can also impact your wallet.
Compare your monthly bill with previous months.
If your usage habits haven’t changed but your bill spikes, you could have a hidden leak.
Even small leaks can add up over time.
Health Symptoms in People or Pets 🐾
Gas leaks don’t just affect your yard and home—they can affect your health too. If exposed to natural gas, people and pets may experience:
Headaches
Nausea
Dizziness or lightheadedness
Fatigue
Pets may appear unusually tired, disoriented, or refuse to eat. If symptoms ease when you leave the property but return when you’re home, don’t ignore the pattern.
What To Do If You Suspect a Gas Leak 🚨
Gas leaks are an emergency. If you suspect one, take these steps immediately:
Leave the area right away. Do not use electronics, phones, or switches inside the home.
Call 911 and your gas utility company. Report the suspected leak.
Wait for clearance before re-entering. Only return when professionals say it’s safe.
Call a licensed plumber. Once the area is secure, contact Revelation Plumbing to inspect and repair your gas line.

Professional Gas Line Inspection and Repair in Pittsburgh
Gas leaks are serious—but with the right help, they can be resolved quickly and safely. At Revelation Plumbing, we bring:
Licensed Master Plumbers with combinded decades of experience.
Specialized equipment for gas leak detection.
Same-day service to keep your family safe.
A safety-first approach with clear communication every step of the way.
When you choose us, you’re not just getting a repair—you’re getting peace of mind that your home is safe.
Final Thoughts
Your home may be trying to warn you of a hidden danger. Dead vegetation, unusual smells, hissing sounds, bubbling water, unexplained bills, or sudden health symptoms can all be signs of a gas service line leak.
If you notice any of these red flags, don’t wait. Your safety and your family’s health come first.
👉 Call Revelation Plumbing today for a professional gas line inspection in Pittsburgh.


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