Smell for a rotten egg or sulfur odor
Listen for hissing or whistling near gas lines or appliances
Look for dead or dying vegetation near outdoor gas lines
Check for bubbles in standing water or wet ground
Watch for dust or debris blowing from a single spot
Use a gas leak detector or combustible gas meter
Inspect appliances for unusual flame color or soot
Check for pilot lights that keep going out
Notice symptoms like dizziness, nausea, or headaches
Turn off gas only if it is safe to do so
Avoid using switches, phones, flames, or sparks
Leave the area immediately if a leak is suspected
Call emergency services or the gas utility from a safe location