Your cat knocks over their water bowl or fountain: why, and what to change

If you wonder why your cat knocks over their water fountain or bowl, there are three causes to check. They tip their water over in play or for attention, because the bowl is too light and tilts when they lean on it, or because it sits in their path. Each cause calls for a different change.

Why does your cat knock over their water fountain or bowl?

Cats rarely tip their water over at random. Watch what happens two or three times before you change anything: the time of day, the movement, and what your cat does straight afterwards.

A cat that dips a paw in the water before drinking, without tipping the bowl over, is showing a different behaviour, one that has nothing to do with how stable the bowl is.

Is the bowl too light, or the wrong shape?

A light bowl tips at the first push. Some cats rest a paw on the rim to drink: a thin plastic bowl or a small, light fountain slides, then goes over. It comes down to weight, not mischief.

Shape matters too. According to International Cat Care, most cats prefer a wide, shallow bowl so they do not have to put their head inside, and they dislike their whiskers touching the sides. Cats also generally prefer glass and ceramic to plastic.

This is where the material affects stability. The ceramic cat water fountain is, according to its product page, heavier and more stable than plastic: its weight keeps it steady, and your cat can lean on the rim without making it slide. The water circulates continuously, which suits cats drawn to moving water, something International Cat Care also mentions.

Not sliding does not mean it can never tip over: a cat set on pushing an object can still move it, and the product page, which gives neither weight nor dimensions, promises nothing more.

Where should the water go so it stays upright?

The right spot cuts down on accidental spills. According to International Cat Care, water belongs away from food, in a quiet spot, clear of busy doorways and appliances such as the washing machine, and reachable from all sides rather than pushed against a wall.

• On the floor, on a flat surface. The ceramic fountain's product page says so: it is more stable than plastic, but it will break if it falls.
• Never on furniture for a cat that pushes things off edges. A spill up there turns into a breakage.
• Out of their way. Not at the foot of the perch they jump down from, nor in the hallway they race along.

To choose the room, our guide on where to put your cat's water fountain covers the good spots and the ones to avoid.

A fountain that stays put when they lean on it
Heavier and more stable than plastic, the ceramic fountain does not slide when your cat rests a paw on the rim, and the water keeps circulating. Discover the ceramic fountain →

What if your cat knocks their water over in play, or for attention?

A cat that tips their water over on purpose is either playing or talking to you. According to cat behaviour consultant Marilyn Krieger, writing on PetMD (in an article reviewed by a vet), a moving object triggers the hunting instinct; a bored cat, especially one left alone for long stretches, makes their own entertainment; and owners can reinforce the habit without meaning to, by talking to the cat or picking them up.

She suggests noting when and where your cat does it, then redirecting them before the push with a toy to chase. The RSPCA Australia also counts play and predatory behaviour among the five pillars of a healthy feline environment: hunting games keep a cat stimulated and reduce boredom and frustration.

In this case, no bowl will solve the problem. A heavy fountain holds up better, but a cat that knocks water over in play first needs play somewhere else: enrichment toys and short daily sessions, paced as our guide on how long to play with your cat suggests.

Finally, if you think your cat is drinking too much or too little, International Cat Care advises contacting your vet.

Frequently asked questions

Should you tell your cat off when they knock their water over?

No. According to Marilyn Krieger on PetMD, any attention in the moment, even a glance, can reward the behaviour: your cat soon learns that tipping the water brings someone running. And telling them off is still attention. Mop up without a word, and offer a game later, once they are calm.

Can you take the water away at night to avoid the mess?

No. According to the Cornell Feline Health Center, a cat should always have fresh water available somewhere easy to reach. Instead, put the water on a floor that wipes clean easily, such as tiles.

Is a mat under the fountain worth it?

Yes, to wipe up less often, as long as it is thin and flat. A thick or domed mat makes a wobbly base, and a bowl that leans tips more easily when your cat puts their weight on it.

Why does my cat mostly knock their water over in the morning?

Mornings often bring together two triggers Marilyn Krieger mentions on PetMD: you are around, and your cat is hungry. She suggests looking for the pattern (when, where, in what circumstances) and not rewarding the behaviour: if you feed or talk to your cat right after a spill, they learn that it works. Mop up without reacting, and wait until they have moved on before serving their meal.

Key takeaways

• A cat knocks their water over in play or for attention, because the bowl is too light, or because it sits in their path.
• According to International Cat Care, cats prefer a wide, shallow bowl made of glass or ceramic rather than plastic, placed away from food.
• The Pelux ceramic fountain, heavier and more stable than plastic, does not slide when a cat leans on the rim; it goes on the floor, on a flat surface, because it will break if it falls.
• A cat that knocks water over in play first needs play elsewhere; and if you think your cat is drinking too much or too little, International Cat Care advises contacting your vet.