Rain ripples settings:

You can adjust scale and bump of ripples

You can also control the speed of the ripples with a keyframe

By default, ripples are loop animated

Water distortion settings:

You can adjust scale, bump and speed of the water distortion

You can animate the direction of water movement using node

By default, the water distortion is animated in a loop and will move without using keyframes

Water settings:

You can adjust base color, metallic, specular, roughness and IOR of water

Also you can adjust color, density and anisotropy of water volume

You can easily use this pack in your projects

Ready for Cycles and Eevee Render

If you're using the Eevee render, make sure Screen Space Reflections and Refraction are enabled

I recommend using HDRI maps for the best rendering result