Signs of a Gas Leak & What to Do

Signs of a Gas Leak & What to Do

Gas leaks are serious emergencies. Knowing the warning signs and proper response could save lives.

Recognizing Gas Leaks

The Smell:

Natural gas is odorless, but utility companies add mercaptan (smells like rotten eggs or sulfur) for detection. Trust your nose—any hint of this smell warrants investigation.

Visual Signs:

Sound Signs:

• Hissing near gas lines
• Roaring from gas appliance
• Whistling sounds

Physical Symptoms:

• Headache
• Dizziness
• Nausea
• Breathing difficulty
• Fatigue
• Irritated eyes

Immediate Actions

If You Smell Gas Indoors:

• DON'T create sparks
• Don't turn lights on/off
• Don't use phones inside
• Don't use matches or lighters
• Don't start vehicles in garage

• Leave immediately
• Don't gather belongings
• Leave doors open as you exit
• Take everyone including pets
• Move at least 100 feet away

• Call from outside
• 911 for emergencies
• Your gas company emergency line
• Don't return until cleared

Types of Gas Leaks

Appliance Leaks:

• Stove pilot lights
• Water heater connections
• Furnace gas lines
• Dryer connections

Line Leaks:

• Main service line
• Interior distribution pipes
• Outdoor meter connections
• Underground lines

Prevention Measures

Regular Maintenance:

• Annual furnace/boiler inspection
• Water heater service
• Check flex connectors for wear
• Professional appliance installation

Home Safety:

• Install carbon monoxide detectors
• Know gas shutoff location
• Keep appliances properly vented
• Never use outdoor grills indoors

Gas Shutoff Procedure

Only if safe and leak is minor:

• Locate gas meter (usually outside)
• Find shutoff valve on supply pipe
• Use adjustable wrench
• Turn valve 1/4 turn (perpendicular to pipe)
• Call gas company before turning back on

Important: Only the gas company should restore service after a shutoff.

Carbon Monoxide: The Silent Killer

CO vs Natural Gas:

CO Warning Signs:

• Detector alarm
• Yellow pilot light (should be blue)
• Soot around appliances
• Excess condensation on windows

Working with Professionals

Licensed Gas Work Only:

• Never DIY gas line work
• Verify plumber has gas certification
• Permits required for gas work
• Inspections protect you

When to Call:

• Any suspected leak
• New appliance installation
• Renovation affecting gas lines
• Pilot light won't stay lit
• Yellow flames on gas burners

Emergency Contacts

Keep These Numbers Accessible:

• 911
• Local gas company emergency: [Your provider]
• Poison control: 1-800-222-1222
• Your plumber's emergency line

Recovery After a Leak

Before Re-Entering:

• Wait for all-clear from fire dept/gas company
• Have all gas appliances inspected
• Air out the home thoroughly
• Replace damaged gas lines
• Consider getting gas detector installed

Documentation:

• File incident report with gas company
• Notify insurance if damage occurred
• Keep repair receipts
• Note any health effects for medical records