I never take up or restrict water.
If you are incredibly worried then take him to the vets, she may want to check for a urinary infection. However as YorkieLuv said if he eats dry food then that will be depriving him of water and would explain why he's drinking so much.
__________________ Indy, Benjamin and Malachi   There is no psychiatrist in the world like a puppy licking your face- Ben Williams |