The answer is relatively simple: puppies should not go without water for more than a few hours. Water is essential for all living beings, including puppies. Without water, puppies can quickly become dehydrated, leading to a range of health problems, including organ failure and even death. While the exact amount of time that puppies can go without water can vary depending on their age, breed, and overall health, it is never recommended to deprive them of water for extended periods.

Puppies are particularly vulnerable to dehydration as they have a higher percentage of water in their bodies than adult dogs. They also have a smaller surface area compared to their body weight, which means that they are more prone to losing fluids through sweating, panting, and other bodily functions. This makes it especially important to ensure that they have access to clean drinking water at all times.
In general, puppies should have access to water 24/7. This means that water should be readily available in their water bowl or water dispenser throughout the day and night. Puppies should never be restricted from drinking water as this can have serious consequences for their health and well-being.
If you need to leave your puppy alone for an extended period, it is important to ensure that they have access to plenty of water before you go. One option is to provide them with a larger water bowl or water dispenser that can hold enough water for several hours. Alternatively, you can set up a water fountain or automatic water dispenser that ensures a constant supply of fresh water.
It is also important to monitor your puppy’s water intake and ensure that they are drinking enough. Signs of dehydration in puppies can include lethargy, dry mouth, sunken eyes, and reduced skin elasticity. If you notice any of these symptoms, it is important to provide your puppy with water immediately and seek veterinary care if necessary.
In addition to providing water, it is also important to ensure that your puppy’s diet includes enough moisture. Wet or canned food can be a good option for puppies who are not drinking enough water, as it provides additional hydration. However, it is important to note that wet food can spoil quickly and should not be left out for extended periods.
Overall, puppies should not go without water for more than a few hours. It is important to ensure that they have access to clean drinking water at all times and to monitor their water intake to ensure that they are staying hydrated. If you have any concerns about your puppy’s hydration or health, it is important to consult with a veterinarian.