How Pets Affect Plumbing System in Your Home

Pets bring joy, companionship and daily entertainment into our homes. Whether you’re a proud dog parent, cat lover or share your space with a curious small animal, your furry family members become part of your routine and your household systems. While pets are amazing in countless ways, many homeowners don’t realize that pets can have a surprisingly big impact on the plumbing in your home. From shedding fur to playful bathroom habits, your pets can unintentionally create plumbing issues that lead to clogs, damage and costly repairs. Understanding how pets affect your plumbing will help you protect your system and avoid unnecessary stress on both your pipes and your wallet.

Let’s take a closer look at the most common ways pets can impact your plumbing and what you can do to prevent problems.

1. Pet Hair Can Cause Drain Clogs

If you bathe your pet at home, you likely see just how much fur comes loose during the process. Even short-haired breeds shed significantly. While a handful of hair might seem harmless, pet fur is one of the leading causes of clogged drains in households with pets. Unlike human hair, pet fur often binds together more densely and can mix with soap residue, dirt and oils. The result? A thick, stubborn clump that sticks to your pipes.

How to prevent it:

Use a drain strainer or hair-catching insert during baths.Brush your pet before bathing to remove loose fur. Consider bathing pets outdoors during warm months. For heavy shedders, professional grooming may reduce plumbing stress long-term.

2. Pets Sometimes Dig and That Includes Outdoors Near Pipes

Many dogs love to dig. It’s instinctive. But enthusiastic digging near the foundation, outdoor faucets or buried water lines can become a real plumbing concern. If a pet digs too close to underground plumbing, it can:

📌Expose pipes to temperature changes
📌Loosen soil and create pressure on older lines
📌Damage shallow irrigation or outdoor drain systems
📌Lead to leaks or weakening of outdoor water lines
How to prevent it:

Create designated digging zones for your dog.
Supervise your dog in yards with visible plumbing pipes. Add decorative barriers around sensitive areas.

3. Pets Sometimes Drop Toys Right Into Toilets and Drains

Curious paws and playful habits can lead to unexpected plumbing disasters. Dogs (especially puppies) and some cats are notorious for dropping toys, balls, chew items and laundry pieces into open toilets or floor drains. If flushed or washed down, these objects can:

📌Get lodged deep inside your plumbing
📌Cause blockages that require professional removal
📌Create backups that damage flooring or fixtures
Prevention tips:

📌Keep toilet lids closed at all times.
📌Store small toys and chew items away from bathrooms and laundry areas.
If something falls into the toilet do not flush. Call a professional right away.

4. Pet Baths Can Overload Your Plumbing if Done Improperly

Bathing pets at home is convenient, but many homeowners don’t realize how tough it can be on their plumbing if it’s done too frequently or without the right setup. Pets carry dirt, sand, grass, loose fur and outdoor debris all of which end up washed straight into your drains.

Over time, this can cause:

📌Buildup in your drain trap
📌Slow draining tubs or sinks
📌Soap-and-fur clogs that require professional clearing
📌Added strain on older drain lines
How to prevent it:

📌Rinse off heavy dirt outdoors before bringing pets inside.
📌Use a hair catcher to trap fur and debris.
Use lukewarm water extremely hot water can soften pipe materials over time in older homes.
📌Bathe pets in a utility tub or outdoor area when possible. This not only protects your plumbing, it often makes bath time easier for both you and your pet.

5. Pets Can Damage Exposed Plumbing Fixtures

Some dogs chew anything chair legs, shoes, door frames and yes, even plumbing components. Exposed pipes under sinks, flexible supply lines behind toilets, or outside hose bibs can all be tempting chewing targets.

A punctured supply line can cause:

📌Hidden water damage
📌Mold growth
📌Sudden leaks or flooding
Prevention:

📌Use pipe guards or covers on exposed plumbing.
📌Keep cabinet doors closed.
📌Provide plenty of safe chew toys and enrichment activities.

6. Litter Boxes and Plumbing Do NOT Mix

Some homeowners attempt to flush “flushable” cat litter. Unfortunately, very little litter is truly safe for plumbing systems especially in older Toronto homes with cast iron or clay pipes.

Flushed litter can:

📌Accumulate and harden inside drains
📌Cause slow draining or full blockages
📌Introduce bacteria into the system
Tip: Dispose of all litter even flushable kinds in the garbage.

7. Dirty Paws + Mud = Clogged Utility Sinks

After a walk, especially in rainy or snowy seasons, you may rinse your pet’s paws in a laundry sink or tub. Dirt, gravel and mud can build up in the drain trap and create clogs over time.

Better approach:

Rinse paws in a basin and dump the water outdoors.
Add a mesh drain catcher in utility sinks.
How to Keep Your Plumbing Pet-Friendly

A few simple habits can prevent most pet-related plumbing issues:

📌Use drain strainers for baths.
📌Keep bathroom doors and toilet lids closed.
📌Keep small objects out of reach.
📌Protect exposed pipes.
📌Groom your pets regularly.
📌Call a plumber before a small issue becomes a big repair.
A Fun Bonus: Join Our Dog Campaign!

At The Great Plumbing Co., we meet amazing dogs every single day on the job  and they always brighten our work. To celebrate the pets that make our community special, we launched our “Show Us Your Dog” campaign!

Upload a photo of your dog,
We’ll feature them on our social media,
And you’ll receive 20% off plumbing repairs (up to $120)!

https://www.thegreatplumbingco.com/show-us-your-dog/

It’s our way of bringing a little joy online while giving something back to the homeowners who trust us. Because if there’s anything better than a healthy plumbing system… it’s a happy dog.