This was just the most awesome video I ever saw.
It is about puppies using a slide and jumping and swimming in the water.
https://weather.com/news/trending/video/corgis-pool-party
Dogs actually love water
Most of the dogs know how to swim naturally. And with practice they get even better. The most detrimental thing to do is to never let a dog into the water because of you own fear. Dogs will catch up on that fear.