Getting to that water would require some “heavy lifting” flights to Mars to transport and land the drilling equipment needed to reach the water. Then there would be the need for the energy supply(ies) to power that heavy equipment.
Knowing it - the water - is there does not solve many issues about getting to it.
Currently it appears the scientific experts at NASA can’t even get us to the moon. We’ve gone backwards since this was achieved over 50 years ago. I guess the Muslims that Obama brought in are still learning the ropes.