Ground water
Ground water referred to water that was present .

In 2151, Doctor Phlox speculated that tetracyanate 622 might have caused the epidemic on the Akaali homeworld, had it seeped into the ground water. () 

In 2369, Dr. Julian Bashir noted that the ground water around a Bajoran village lacked bacterial contaminants. ()

See also
 Well
 Water table

External link
 
Bodies of water
Geology