Rats
- Why it happens: Rats are excellent swimmers and can hold their breath for minutes. They enter the sewer system and occasionally make their way into homes via toilets.
- What to watch for: Scratching, squeaking sounds, or — worse — spotting one swimming in your toilet.
- How to stop them:
- Use rat guards on sewer pipes.
- Inspect and seal cracks or entry points near plumbing.
- Don’t flush food or grease that attracts rodents into the system.
- Ask a plumber about installing a rat flap valve in your sewer line.
3. Frogs
- Why it happens: Frogs often find their way into vent pipes or open drains, especially in humid areas. If there’s standing water and bugs