How much water should a Pomeranian drink a day? A healthy guideline is one cup of water for a Pomeranian dog weighing 2.26 kgs or 2 cups for a dog weighing 4.53 kgs. Dogs require approximately 50 millilitres of water per one kilogram of body weight daily. A Pomeranian requires a minimium of 1 ounce of water per pound of bodyweight daily. Ensure your Pomeranian has access to suitable drinking water at all times.