Cockroaches are known for being extremely resilient, but once they’re flushed, their chances of survival depend on a few factors…

They Can Hold Their Breath

Roaches can hold their breath for up to 40 minutes and survive underwater for even longer by going into a low-energy state. So yes, they can survive the initial flush.

Toilet Pipes Make Escape Difficult

Even though they’re strong swimmers and climbers, most cockroaches won’t make it back up through modern plumbing. Once flushed, they typically end up in the sewer system where survival is unlikely due to the harsh conditions and lack of food.

It’s Not a Guaranteed Death

Flushing doesn’t necessarily kill a cockroach. If the insect is alive when it goes in, it may survive but it likely won’t find its way back to your home.

Is Flushing Roaches a Good Pest Control Method?

Flushing a roach might get it out of sight quickly, but it’s not a long-term solution. If you’re seeing roaches regularly, you likely have a larger infestation.

In that case…

• Set out gel baits to target nests

• Keep your home clean and food sealed

• Seal cracks and entry points

• Call a pest control professional if needed

Flushing may offer peace of mind in the moment, but controlling an infestation takes a broader strategy focused on prevention & elimination at the source.