
September 2, 2025 * By Alison Webb
When it comes to caring for our dogs, food usually steals the spotlight—what brand, how much, kibble or raw. But there’s one vital piece of the wellness puzzle that often gets overlooked: water.
Just like us, dogs depend on proper hydration to stay balanced, energized, and healthy. Skimp on it, and you’re inviting fatigue, health issues, and unnecessary stress.
Especially on hot days, it’s crucial to know if your dog is getting enough water—and just as important, what not to do if they start to overheat.

A dog’s daily water intake depends on factors like size, diet, age, activity level, and weather conditions. However, a general guideline is that a healthy dog should drink approximately one ounce of water per pound of body weight each day.
For example:
Dogs that eat dry food may need more water than those eating wet or homemade diets, which can contain 65-80% water. Additionally, exercise and hot weather increase a dog’s water needs. Always provide plenty of fresh, clean water, especially during these times, so your dog can hydrate as needed.
Water is as crucial for dogs as it is for humans. Dehydration can lead to serious health issues, such as:
Severe dehydration can even be life-threatening. Proper hydration supports essential bodily functions, such as lubricating joints, cushioning internal organs, aiding digestion, and regulating body temperature. Ensuring your dog has constant access to water is vital for their health.

Water offers numerous benefits for dogs, including:
Aiding Digestion and Nutrient Absorption:
Water facilitates every metabolic process in your dog’s body, helping with digestion, nutrient transport, and absorption. It also prevents constipation by keeping the digestive system moving smoothly.
Regulating Body Temperature
Dogs don’t sweat like humans. Instead, they rely on panting and water consumption to regulate their body temperature. Water helps dissipate heat through respiration and circulates heat away from organs via blood flow.
Supporting Joint Health
Hydration is essential for maintaining healthy joints. Water lubricates joints, reducing friction and enabling smooth movement. Without enough water, your dog may experience joint stiffness or discomfort.
Eliminating Waste Products
Water aids in the removal of waste products through the kidneys, helping flush toxins from your dog’s body via urine.
Maintaining Energy Levels
Dehydration can cause lethargy and reduced energy. Water maintains fluid balance and supports metabolic functions, providing your dog with the energy they need for daily activities.
Supporting a Healthy Weight
Water can help manage your dog’s weight by creating a sense of fullness and reducing calorie intake. Adding water to dry kibble can also increase water consumption.
The best source of hydration for dogs is always fresh, clean water. Other ideas for your dog to drink more water include:
Early signs of dehydration is crucial. To check your dog for dehydration, gently pinch the skin between your dog’s shoulder blades. If the skin doesn’t return to its original position quickly, your dog may be dehydrated.
Other symptoms include:
If you notice these signs, offer water immediately and consult your veterinarian if symptoms persist. If you want more information on how to spot signs of dehydration check out: Warning Signs of Dehydration in Dogs.
If you think your dog may be overheating, resist the urge to blast them with the hose. While it might feel instinctive, drenching their coat can actually trap heat against their body and make things worse.
Instead, focus on smart cooling: apply cool (not ice-cold) water to their neck and paw pads, move them into the shade or an air-conditioned space, and let their body temperature come down safely.

While dehydration is dangerous, overhydration, or "water intoxication," can also pose serious health risks. This condition is more common in dogs that swim excessively, play with water hoses, or gulp large amounts of water.
Signs that your dog drank too much water include:
If you suspect your dog may have drank too much water, seek veterinary care immediately.
Water is a vital component of your dog’s diet and overall health. Proper hydration supports digestion, regulates body temperature, maintains energy levels, and promotes joint and organ health. Ensure your dog always has access to fresh, clean water, especially during hot weather or periods of increased activity. Keep multiple water stations around your home to make water easily accessible and ensure bowls are cleaned regularly to keep water fresh and inviting.
If you want to learn quick ways to tell If your dog’s food is actually healthy check out our other blog post "Identifying Harmful Ingredients in Dog Food".
Ready to take your dog’s health to the next level? Share this article with other pet parents to spread the word about the importance of hydration, and explore more helpful tips on keeping your furry friend happy and healthy on our blog!
Paws on Planes Inc. helps Service Dog Handlers and Pet Parents with expert dog training, stress-free travel prep, and a deep passion for canine wellness.
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CEO Of Paws On Planes Inc.
I’m the founder of Paws on Planes and your go-to guide for flying with dogs, whether you’re a pet parent or traveling with a psychiatric service dog.
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