
Are Generators Flood Proof?
Ever seen a generator try to outswim a flood? Spoiler: it sinks. So, are generators flood proof? Short answer: no, not really. Some can handle a bit of water, but none are truly invincible. Keep reading to see which ones can survive a splash and which should stay high and dry.

Are Generators Flood Proof? The Reality and Common Questions About Your Generator
Why Most Standard Generators Are Not Flood Proof
Most generators are built to deal with rain, not rising floodwaters. Their electrical circuits, fuel tanks, and engines simply aren’t designed to cope once submerged. Even a shallow pool of water can send them into meltdown. Some claim to be water-resistant, but that’s a long way from being flood proof.
Understanding Water Resistance Ratings for Your Generator
You’ve probably seen labels like IP65 or IP67 on equipment before. They sound reassuring, but what do they mean for your generator? IP67, for example, might hold up under a metre of water—but only briefly. It won’t save your generator if it’s sitting underwater for days during a serious flood.
The Immediate Dangers of a Submerged Generator
When water finds its way inside, it can wreck the carburettor, alternator, and wiring in seconds. Sometimes it’s game over before you even realise. Even if it roars back to life later, hidden damage may already be at work, slowly cutting down its lifespan.
Electrocution Hazards from a Wet Generator
The biggest danger isn’t always to the machine—it’s to you. A wet generator can push current through standing water, turning your yard into a giant hazard zone. That’s why touching or restarting a waterlogged generator without expert help is one of the riskiest moves you can make.

Are Generators Flood Proof Reddit: Community Insights and Misconceptions
Common Questions and Answers About Generators in Flood Conditions
Reddit is full of people asking if they can keep their generator running during a flood if they prop it up on bricks or a table. The usual community response? A sharp “don’t even try.” Elevating helps, but splashes, humidity, and shifting water levels can still ruin it.
Debunking Myths About Flood-Proofing Your Generator
One of the worst myths is wrapping your generator in plastic bags. Sure, it might keep out a bit of rain, but it traps heat and blocks ventilation—almost guaranteeing an overheated machine. Another common misconception is that smaller portable generators are naturally waterproof. They’re not. In the end, prevention always beats dodgy DIY fixes.
Protecting Your Generator from Floodwaters: Essential Precautionary Steps
Pre-Flood Preparations for Your Generator
Elevating Your Portable Generator to Avoid Water Contact
A sturdy platform can make all the difference. Raising a portable generator even half a metre off the ground helps protect it from minor flooding. Think timber pallets, concrete slabs, or any stable base that lifts it safely out of reach.
Relocating Your Standby Generator to Higher Ground
Standby generators should never be left at ground level if you live in a flood-prone area. Installing them on raised concrete pads or positioning them uphill can save you thousands in repairs. Installers often check local flood maps before choosing the right height.
Disconnecting Your Generator Safely Before a Flood
If a flood warning is issued, shutting down and disconnecting your generator is the safest option. This prevents dangerous backfeed into your home’s system and keeps you safer once the water arrives.
Post-Flood Assessment and Recovery for Your Generator
What to Do if Your Generator Has Been Submerged
First step—don’t touch that starter cord. A submerged generator needs to be drained, dried, and assessed by a professional before it goes anywhere near a power outlet again. What looks fine outside may be a disaster waiting to happen inside.
Generator Flooded with Gas: Addressing Fuel System Contamination
If water seeps into the fuel tank, the petrol is already ruined. Running it will clog up the fuel system and could kill the engine. The only fix is to drain it fully and start fresh.
The Importance of Professional Inspection for a Flood-Affected Generator
Even the most thorough DIY clean-up can miss hidden damage. A licensed technician will check for corroded wires, compromised seals, and electrical faults that aren’t visible to the eye. It’s the only way to be sure your generator is safe to run again.

Operating Your Generator Safely During and After Floods
Avoiding Carbon Monoxide Risks with Your Generator in Wet Conditions
Never Operate a Generator Indoors, Even During Floods
When water levels rise, it can be tempting to drag the generator inside to keep it dry. Don’t do it. Carbon monoxide build-up can be fatal within minutes, even in garages or basements.
Ensuring Proper Ventilation for Your Generator in Emergency Situations
The safest spot is always outdoors, at least six metres away from windows and doors. If you’re using a cover to protect it from the rain, make sure it doesn’t block airflow.
Safe Electrical Practices Around a Generator in Flood-Prone Areas
Using GFCI Protection with Your Generator
Ground Fault Circuit Interrupters (GFCIs) are lifesavers in wet conditions. They shut the system down instantly if a fault is detected, reducing the chance of electric shock.
Inspecting Cords and Connections for Your Generator After Water Exposure
Floodwater often leaves behind damp debris and mud. Check cords, plugs, and sockets carefully before reconnecting. A frayed or soggy cord can be just as dangerous as a wet generator.
Conclusion: Safeguarding Your Generator Against Flood Damage
Generators are brilliant at keeping the lights on, but they’re not built to survive a flood. Even water-resistant models have their limits. The smartest approach is prevention—raise it, relocate it, disconnect it, and when in doubt, call a professional. Protecting your generator properly means it’ll protect you when you need it most.