How to bring the buried lakes of water to the surface where it is needed:
Make a large circle. Build a tall diving board.
Then cue Michael Moore to run out to make his patented belly flop.
Some droplets will probably reach Deimos and Phobos.
Like so many engineering solutions that would work on Earth; you need to go back to the drawing board. On Mars Moore might weigh under 150 lbs. (Mars gravity = 38% of Earth’s)