This is a basic tip from the great man himself: Dr Bruce Fogle. What makes it impactful is that he says that ‘this is a common problem that I see.’ Which is why I am addressing it again. All the cat’s needs are neatly in one place which suits the owner but not their cat. He sternly says, ‘Don’t do it.’
His advice is to: ‘Keep the litter tray accessible but away from the food and water. Once your cat is routinely using it you can gradually move the tray to its permanent location.’
Litter tray positioning is important as well. It should be in a relatively private corner and not in a major junction within the cat’s home range. Galaxy prefers litter trays that are uncovered. I have an infographic on litter tray substrates:
Here is a page on cat water bowls:
Please search using the search box at the top of the site. You are bound to find what you are looking for.