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You are here: Home / Cat Health / Is Tap Water Safe for Your Pets?

Is Tap Water Safe for Your Pets?

By Pawesome Cats | Updated on 25/03/2023

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Water is essential to life, but is tap water safe for your pets? We discuss tap water safety and examine all the fuss over fluoride | Is Tap Water Safe for Your Pets?Water is essential to life, but is tap water harming your pet?

To a certain extent the answer depends on where you live. Simply put, if the tap water isn’t fit for human consumption then it shouldn’t be given to pets. However, even for water that is certified for human use this question has a deeper implication because of water additives, such as fluoride.

Chocolate, caffeine, raisins, and grapes are examples of things that are fine for humans, but not for cats and dogs. The same goes for fluoride. In many areas fluoride is added to the water supply, so what risk does this pose to our pets?

Let’s take a look.

Dirty Water?

OK, so your pet’s favourite drinking water is probably from a plant pot in the yard. This is hardly clean, so why get worried about tap water (if indeed, should we worry at all?)

In free standing water some of possible water contaminants include bacteria and parasites such a giardia and cryptosporidium which cause nasty stomach upsets. For dogs, there’s also the danger of leptospirosis picked up from stagnant water contaminated with rat urine.

So yes, tap water that’s been through a processing plant should be a whole lot safer. Where the worries set in are that processed water often has high levels of additives such as chlorine or ammonia.

Indeed, cats don’t like the taste of chlorine and ammonia, and is one reason they prefer to drink from running water. Not only is flowing water better oxygenated but the chlorine evaporates off. A top tip is that if you live in an area where the water is heavily chlorinated; let it stand in the bowl for an hour before serving to your cat. This allows the chlorine to evaporate and the water becomes more appealing.

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Water is essential to life, but is tap water safe for your pets? We discuss tap water safety and examine all the fuss over fluoride | Is Tap Water Safe for Your Pets?
Image: CelloPics via Flickr

 

But dirty water doesn’t just extend to puddles. Unfortunately, the contaminants in tap water can include painkillers, antibiotics, anti-depressants and even hormones (all at low levels, so no pressing need to panic). A study by the Associated Press (AP) in the United States found that 25 out of 28 water treatment plants tested, had detectable levels of non-prescription drugs such as ibuprofen and Tylenol. OK, those levels are low, but it makes you want to quiz your local water treatment plant. Indeed, this may be the way forward as water utility providers are encouraged to share water reports with their consumers. Check the website of your local water utility company and see what they are sharing about their water quality.

Water is essential to life, but is tap water safe for your pets? We discuss tap water safety and examine all the fuss over fluoride | Is Tap Water Safe for Your Pets?
Image: Gadjo_Niglo via Flickr

 

The Fuss over Fluoride

So what risk does fluoride pose to our pets?

In high enough levels fluoride is toxic. It puts a strain on the kidneys to excrete it from the body and can cause:

  • Severe sickness and diarrhoea
  • Restlessness
  • Drooling
  • Weak muscles
  • Stiffness
  • Racing heart rate
  • Seizures
  • Coma
  • Death

Wow! Sounds deadly. . . so why do we add it to our drinking water? OK, so the answer is to strengthen human teeth, but is this at the price of our pets?

Probably not.

Fluoride is added to drinking water at approximately the rate of 1 mg / kg. The toxic dose to animals is widely acknowledged as twenty to thirty times this level. This means for a cat or dog to be poisoned they’d need to drink a huge amount of water – which in itself can cause brain swelling from water intoxication.

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Indeed, the bigger risk to our pets is from human toothpaste. This does contain high levels of fluoride – because it’s never meant to be swallowed. Brush your cat’s teeth with human toothpaste and she isn’t going to spit it out afterwards but swallow it. This is why it’s important to only ever use pet toothpastes when caring for your pet’s pearly whites.

Water is essential to life, but is tap water safe for your pets? We discuss tap water safety and examine all the fuss over fluoride | Is Tap Water Safe for Your Pets?
Image: Sylvain L. via Flickr

 

The Last Word on Fluoride

It sounds like tap water is safe, because the levels of fluoride are low. But can we really be sure?

Some interesting food for thought from our canine cousins and a possible link between fluoride and bone cancer. It seems high levels of fluoride has been linked to the serious bone cancer, osteosarcoma, in growing boys. Long term exposure to high levels accumulates in the bone and predisposes to bone cancer.

Statistically, osteosarcoma is eight times more common in dogs than people. Could there be a link to sensitivity to fluoride? We don’t know. No studies as yet have looked into this.

However, nothing is ever straightforward. It might be that water is safe after all because the biggest source of fluoride for dogs is food containing bone meal. This is because fluoride supplemented livestock feeds lead to a build-up of fluoride in the bones of cattle and sheep. When those animals are slaughtered and their bones enter the food chain, our pets partake in a feast of fluoride.

Is tap water safe for your pet?

Yes, in the short term it’s ideal for quenching thirst. . . but in the long term. . . truly, no one knows.

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Filed Under: Cat Health, Nutrition

Reader Interactions

Comments

  1. Mary Nielsen says

    02/07/2017 at 3:28 am

    While there are certainly many theories about water quality we should stick to what we know for sure.

    I think that the safest water I can give my pets is from the tap and from bottled water brands that I trust.

    Our pets do not drink so much as humans do so any high concentration of dangerous chemicals are likely no to happen. Still, it is better to stay informed! Thank you for explaining this in details 🙂

  2. meowmeowmans says

    14/06/2017 at 2:14 pm

    Wow, this is such a thought-provoking post! We had never even thought about fluoride in the water. Thank you for this, pals!

  3. Sweet Purrfections says

    13/06/2017 at 11:04 am

    I’ve never thought about the fluoride and other chemicals that may be in tap water.

    We are slowly reconnecting with our friends since Mom Paula retired and hope to see you more often.

  4. BionicBasil says

    11/06/2017 at 6:02 am

    Guys we love your blog, and this post is amazing! We have filtered water here just to be on the safe side.

  5. Summer says

    05/06/2017 at 2:04 am

    We get bottled water to drink… and so do our humans.

  6. Sometimes Cats Herd You says

    04/06/2017 at 9:45 pm

    This is really interesting. Thanks for sharing it! We switched to distilled water last year while trying to get Newton’s urinary pH under control, since our municipal water is loaded with chlorine, but had not even thought about the fluoride also added to the water.

  7. 15andmeowing says

    04/06/2017 at 11:47 am

    I am thankful that we have a well.

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