We thought, until recently, that the Moon was just about the driest place in the solar system. Then reports of moonwater started “pouring” in – starting with estimates of scant amounts on the lunar surface, then gallons in a single crater, and now 600 million metric tons distributed among 40 craters near the lunar north pole.A radar probe on India’s Chandrayaan-1, found 40 craters each containing water ice at least 2 meters deep.NASA released  details about how much water ice has been detected in the north lunar pole.

In the image ,A Mini-SAR radar map of the lunar north pole  Craters circled in green are believed to contain significant deposits of frozen water

read more here