How to Get a Cat to Drink More Water: A Vet-Reviewed Guide

The most reliable way to get a cat to drink more water is to feed wet food and make fresh water easy to find, since cats have a naturally low thirst drive and often will not drink enough on their own. Cats descend from desert-dwelling ancestors and are built to draw most of their moisture from prey, so a cat that eats dry food and ignores its bowl is behaving exactly as nature designed, even though it leaves the cat mildly under-hydrated.

This guide sits within our cat nutrition guide and explains why hydration matters and the changes that genuinely raise a reluctant cat’s water intake.

Why hydration matters for cats

Good hydration protects a cat’s kidneys and urinary tract, the two systems most often harmed when water intake is too low. A cat needs roughly 50 to 60 ml of water per kilogram of body weight per day, so a 4 kg cat needs about 200 to 240 ml from food and drink combined. When a cat takes in too little, the urine becomes more concentrated, which raises the risk of bladder inflammation, crystals, and stones, problems covered in our guide to urinary problems in cats.

Chronic kidney disease is very common in older cats, and steady water intake is one of the simplest ways to support failing kidneys. Cats are obligate carnivores built to get water from food, not bowls, which is why diet matters more than any gadget.

Feed wet food: the biggest single change

Switching some or all of a cat’s diet to wet food is the most effective way to raise its total water intake. Wet food is roughly 70 to 80 percent water, while dry food is only about 6 to 10 percent, so a cat eating wet food takes in a large share of its daily needs at mealtimes without ever visiting the bowl.

If you want to move from dry to wet, transition gradually over about 7 days to avoid stomach upset, mixing increasing amounts of the new food into the old. You can also stir a tablespoon or two of water into wet food, or briefly soak kibble, to push moisture higher. For how the two diets compare on nutrition and cost, see our breakdown of wet versus dry cat food. A cat on wet food may barely touch its water bowl, and that is completely normal rather than a worry.

Try a cat water fountain

A water fountain encourages drinking because cats are instinctively drawn to moving water and tend to trust it as fresh. Running water is oxygenated, stays cooler, and sits away from the food bowl, all of which appeal to a cat’s preferences. In multi-cat homes a fountain also offers a larger, constantly refreshed supply than a single dish.

Not every cat takes to a fountain, so introduce it next to a familiar bowl rather than replacing the bowl outright. Keep it genuinely clean: change the water every couple of days, rinse the reservoir, and replace the filter on schedule, because a slimy or noisy fountain will put a cat off faster than it ever drew one in.

Offer multiple water stations

Placing several water sources around the home reliably lifts intake because it gives the cat easy options wherever it happens to be. A good rule of thumb in a multi-cat household is one water station per cat plus one extra, spread across different rooms and floors so no cat has to cross another’s territory for a drink.

In my own home I keep three bowls going: one in the hallway, one in the spare room, and a fountain in the kitchen. My older cat, Marmalade, almost never used the kitchen dish, but once I put a plain bowl on the landing near his favourite windowsill he started drinking from it most mornings. He simply wanted water where he already liked to sit, not where I found it convenient.

Get the bowl and its placement right

The bowl itself, and where it sits, makes a real difference to how willingly a cat drinks. Use a wide, shallow dish so the water never touches the whiskers, since whisker contact is uncomfortable and causes some cats to paw at or avoid the bowl. Ceramic, glass, or stainless steel are easier to keep clean and odour-free than plastic, which can taint the taste.

Placement matters just as much: keep water well away from the food bowl and well away from the litter tray, as cats instinctively avoid drinking close to where they eat or toilet. Refresh the water at least once a day so it stays cool and appealing. These small fixes solve a surprising share of cases where an owner is convinced their cat “just won’t drink”.

When to involve your vet

Call your vet if your cat’s drinking suddenly increases or drops, since both can signal an underlying problem. A clear, lasting rise in thirst can point to kidney disease, diabetes, or hyperthyroidism, conditions that are all more common in older cats and easier to manage when caught early. A sudden refusal to drink, alongside lethargy or dry, tacky gums, may mean dehydration.

One sign is never something to manage at home: straining to urinate with little or nothing produced is a life-threatening emergency, especially in male cats, and needs a vet immediately. If you are tracking water intake because your cat has had urinary disease or kidney problems, your vet can advise on targets and on prescription or therapeutic diets.

This guide is general information, not a diagnosis. Anything that worries you about your own cat’s drinking, urination, or hydration should be checked by your vet, who can examine your cat and knows its history.